Relevant bibliographies by topics / Owl diets

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Academic literature on the topic 'Owl diets'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 February 2022

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Journal articles on the topic "Owl diets"

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Mostello, Carolyn S., and Sheila Conant. "Diets of native and introduced apex predators in Hawai'i." Pacific Conservation Biology 24, no. 1 (2018): 25. http://dx.doi.org/10.1071/pc17042.

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We report here on the diets of four apex predators in Hawai‘i: the native pueo or Hawaiian short-eared owl (Asio flammeus sandwichensis) and three introduced species, the barn owl (Tyto alba pratincola), the feral cat (Felis catus) and the small Indian mongoose (Herpestes javanicus). To better understand dietary relationships between these predators, we studied diet, focusing on areas where they occur together. We collected disgorged owl pellets, and cat and mongoose faecal scats from eight areas located on five of the main Hawaiian Islands and identified prey items to the lowest possible taxonomic level. All species consumed rodents, birds, and arthropods, and the mammal species also included plants in their diets. The two owl species and the cat preyed primarily on rodents, whereas small cockroaches predominated in the diet of the mongoose. Diets of the owl species and the cat, but not the mongoose, varied significantly between areas. Dietary overlap was highest between the pueo and the barn owl and lowest between the owl species and the mongoose. Although barn owls took more rats than pueo, there was no evidence that the two owl species partitioned house mouse prey by size. On islands where there are no mongoose, both owls took a greater proportion of large arthropods in their diet, suggesting that mongoose reduced the abundance of the arthropod species that owls commonly took. There was no significant difference in pueo diets before and after introduction of the barn owl.
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Milchev, Boyan. "Dietary comparison of coexisting barn owl (Tyto alba) and eagle owl (Bubo bubo) during consecutive breeding seasons." Animal Biology 66, no. 2 (2016): 219–28. http://dx.doi.org/10.1163/15707563-00002499.

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Coexistence of predator species often depends on behaviours or preferences that result in spatio-temporal reduction of competition. In this study, the diets of coexisting barn owls (Tyto alba) and eagle owls (Bubo bubo) in an agricultural landscape of SE Bulgaria were compared. White-toothed shrews (Crociduraspp.), voles (Microtusspp.) and mice (Musspp.) were the main prey of barn owl (86.3% by number, 81.2% by biomass) with significantly different frequencies in annual diets. The principle biomass (64.8 ± 6.2%) of the significantly different eagle owl annual diets comprised much heavier prey such as white-breasted hedgehog (Erinaceus roumanicus), European hare (Lepus europaeus) and non-passerine birds of wetlands and open habitats. The two owl species preferred and hunted on different prey size groups in the same territory, and this difference explained the low level of food competition (6.0 ± 3.6% diet overlap according to prey biomass). Voles were the only prey of the two owls with significantly different frequencies for the annual diets in intraspecies comparisons. The proportions of voles in both diets showed similar trends during the study. Eagle owl predation on barn owls was slightly affected by their coexisting breeding despite the high levels of food stress of eagle owl. These findings provide insight into how preying habits can predict successful coexistence of potentially competing predator species.
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Nadeem, Muhammad Sajid, Syed Israr Shah, Amjad Rashid Kayani, Syed Muhammad Khalid Imran, and Tariq Mahmood. "A comparative study of the diets of barn owl (Tyto alba) and spotted owlet (Athene brama) inhabiting Ahmadpur East, Southern Punjab, Pakistan." Animal Biology 62, no. 1 (2012): 13–28. http://dx.doi.org/10.1163/157075511x597593.

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AbstractThe diets of the barn owl (Tyto alba) and the spotted owlet (Athene brama) inhabiting the periphery of the Cholistan Desert at Ahmedpur East, southern Punjab were compared. Pellets of the two owl species were analyzed to learn more about their diets. The barn owl mainly consumed Suncus murinus (60.2%), birds (24.1%) and rodents (12.7%), while the spotted owlet depended on Mus species (36.8%), Suncus murinus (20.1%), birds (14.1%), reptiles (8.9%) and insects (6.7%) for its food. There was a low degree of food overlap of the two owls among the seasons.
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Leader, Zohar, Yoram Yom-Tov, and Uzi Motro. "Diet Comparison Between Two Sympatric Owls—Tyto Alba and Asio Otus—in the Negev Desert, Israel." Israel Journal of Ecology and Evolution 56, no. 2 (May 6, 2010): 207–16. http://dx.doi.org/10.1560/ijee.56.2.207.

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We studied the diets of the barn owl Tyto alba and the long-eared owl Asio otus in an arid region in the northern and central Negev Desert, Israel. The diet of the two owl species consisted mainly of small mammals, but the long-eared owl consumed a significantly larger proportion of birds in all seasons than did the barn owl. Seasonal differences in the proportion of birds in the diet of the long-eared owl were mainly due to the consumption of migratory birds. Diet composition of each of the two species resembled more the diet of its conspecifics from other locations in that region and other seasons rather than that of the other species from the same location or season. This indicates that these two owl species do not consume prey in proportion to its availability, but prefer certain types of prey over others.
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Milchev, Boyan, and Nikolay Spassov. "First evidence for carrion–feeding of Eurasian Eagle-owl (Bubo bubo) in Bulgaria." Ornis Hungarica 25, no. 1 (June 27, 2017): 58–69. http://dx.doi.org/10.1515/orhu-2017-0005.

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Abstract Three cases of carrion-feeding with remains of artiodactyls (0.3%, n=1104 samples with food remains) have been documented in a long term diet study of Eurasian Eagle-owls (Bubo bubo) in 53 localities at Southeastern Bulgaria. Bone pieces of a sheep/goat (Ovis aries/Carpa hircus), a Fallow Deer (Dama dama) and a Domestic Pig (Sus scrofa dom.) in three Eurasian Eagle-owl breeding localities (5.7%) prove extremely rare feeding on carrion. Northern White-breasted Hedgehog (Erinaceus roumanicus), rats (Rattus sp.), waterbirds and gallinaceous birds (total 59.5-72.6% by biomass) constituted the main portion of the diets with carrion remains. The comparisons between food niche breadths, diet composition, average prey biomass and values of superpredation of the annual diets in the three localities have not supported the carrion-feeding of the Eurasian Eagle-owl as a result of food shortages.
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Cooke, Raylene, Rohan Bilney, and John White. "Potential competition between two top-order predators following a dramatic contraction in the diversity of their prey base." Animal Biology 61, no. 1 (2011): 29–47. http://dx.doi.org/10.1163/157075511x554400.

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AbstractTwo sympatric native top-order predators, the sooty owl (Tyto tenebricosa tenebricosa) and powerful owl (Ninox strenua) coexist throughout much of their range in south-eastern Australia. Following European settlement, however, major changes in resource availability for these predators potentially resulted in increased competition, especially for food. This study examined ecological attributes of both species, including intersexual differences in the sooty owl, potential resource partitioning and whether competition may be occurring. Dietary overlap was high between female sooty owls and powerful owls (0.90), compared to overlap between male sooty owls and powerful owls (0.67), with three mammalian species contributing over 74% of their diets. Sooty and powerful owls coexisted throughout the study region, regularly roosting within the same vegetation types, and in similar locations, although microhabitat differences were apparent. Sooty owls displayed aseasonal breeding, although a peak in fledging in spring coincided with powerful owl breeding. Both species exclusively nested in similar size mountain grey gums (Eucalyptus cypellocarpa), however, hollow characteristics differed slightly. Significant divergence along a single niche dimension was not detected between powerful and sooty owls, as they had similar diets, habitat usage and activity times, potentially resulting in competition. Reproductive output was low for both species, however, the degree to which competitive interactions influenced this remains unknown. To minimise potential competition, longterm feral predator control and improved habitat management is recommended to increase the density and diversity of small terrestrial mammals, as this should result in diversification of the sooty owl diet, reducing dietary overlap with powerful owls.
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Gungor, Umut, Ergun Bacak, and Vedat Beskardes. "Short-eared Owl (Asio flammeus)’s winter diets in northwestern Turkey (Thrace)." Forestist 71, no. 1 (December 22, 2020): 40–44. http://dx.doi.org/10.5152/forestist.2020.20021.

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Bosakowski, Thomas, and Dwight G. Smith. "Comparative diets of sympatric nesting raptors in the eastern deciduous forest biome." Canadian Journal of Zoology 70, no. 5 (May 1, 1992): 984–92. http://dx.doi.org/10.1139/z92-140.

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Diets and food-niche metrics of nesting raptors were studied in the eastern deciduous forest biome of northern New Jersey, southeastern New York, and northwestern Connecticut. Raptor diets were determined from 2506 prey individuals recovered from prey remains and pellets collected from nest sites of a community consisting of five hawk and four owl species. Food-niche overlaps were higher on average in the hawk guild (0.422) than in the owl guild (0.342), correlating with increased species packing and decreased body size differences in the hawk guild. Differences in activity times (diurnal versus nocturnal) did not result in reduced food-niche overlap between diurnal and nocturnal raptors. The lack of interference-type competition probably allowed greater exploitative-type competition but was offset by nearly exclusive use of certain prey types by several raptor species. Thus, temporal niche differences ultimately did aid in the resource partitioning of food between hawks and owls. Overall, the forest raptor community displayed significant food-niche overdispersion, with 35 of 36 food-niche overlap values below the 0.6 "competition" threshold. This result would be expected in a community structured by competition.
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Bontzorlos, Vasileios A., Salvador J. Peris, Cristos G. Vlachos, and Dimitrios E. Bakaloudis. "Barn OwlTyto albaPrey in Thessaly, and Evaluation of Barn Owl Diets Throughout Greece." Ardea 97, no. 4 (December 2009): 625–30. http://dx.doi.org/10.5253/078.097.0431.

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Tumiel, Tomasz, and Paweł Mirski. "Diet of boreal owl (Aegolius funereus) in lowlands of north-eastern Poland." Slovak Raptor Journal 12, no. 1 (December 1, 2018): 41–45. http://dx.doi.org/10.2478/srj-2018-0002.

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Abstract Although studies on many owl species diets are common, there are only scarce data on the diet of the boreal owl from the lowlands of Eastern Europe. We have therefore studied its diet in one of the most important Polish population areas, the Knyszyńska Forest (north-eastern Poland). Pellets were gathered between February and June in 2006, 2012–2016 from tree hollows and the ground underneath. Altogether 178 pellets and six sets of pellet fragments were collected from 19 different sites. Eight mammal and eight bird species were identified among the 213 prey items found in the gathered material. Small mammals dominated, both in prey number (88.3%) and biomass (85.1%). Bank vole proved to be the main prey (over 40% of prey numbers), while Microtus voles (27.3%), small passerine birds (11.7%) and shrews (7.5%) were important alternative prey. Diet range proved to be similar to other sites in Europe.
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Dissertations / Theses on the topic "Owl diets"

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Lavazanian, Elizabeth, and elizabeth lavazanian@deakin edu au. "Diet and habitat of the powerful owl (Ninox strenua) living near Melbourne." Deakin University, 1996. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20071204.153147.

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The diet of Powerful Owls (Ninox strenua) living at Christmas Hills, 35km north-east of Melbourne was examined by analysis of 686 regurgitated pellets collected over two years. An aid was also developed to help identify potential mammalian prey species based on hair and skeletal characteristics. The following features were found to be most useful in distinguishing between the three species of arboreal marsupials - Common Ringtail Possum (Pseudocheirus peregrinus), Common Brushtail Possum (Trichosurus vulpecula) and Sugar Glider (Petaurus breviceps): - Cross-sectional width of primary guard hairs. - The size and shape of the nasal, frontal, parietal and squamosal bones of the skull. - Dentition. The size and shape of the upper incisor, canine and premolar teeth. The size and shape of the lower incisor and premolar teeth. - The size of the humerus. The Sugar Glider has a much smaller humerus than that of the Common Ringtail Possum and the Common Brushtail Possum. In the Common Brushtail Possum the entepicondyle ends in a very sharp point but the Common Ringtail Possum this point is not as sharp. - The Common Ringtail Possum’s femur has a very prominent trochanter which projects further than that in the Common Brushtail Possum. The femur of the Sugar Glider is distinguished by having a very large depression between the condyle and the trochanter. - The Common Brushtail Possum’s scapula has a narrower lower blade (relative to length) than that in the Common Ringtail Possum. The scapula of the Sugar Glider is smaller in size than that of the other two possums.The pelvic girdle Of the Common Brushtail Possum has a much wider ischium than those of the Common Brushtail Possum and the Sugar Glider. The ilium of the Sugar is much narrower and smaller than that of the other two possums Mammalian prey was found in 89%, insects in 13% and birds in 10% of the pellets. Of the mammals, Common Ringtail Possums occurred most frequently in the pellets over the year. There was no seasonal difference in the frequency of occurrence of Common Ringtail Possums and Sugar Gliders in pellets. However, Common Brushtail Possums were more likely to be taken in spring than in the other seasons. More adult Common Ringtail Possums were taken as prey than were other age classes over the year, except in summer when high numbers of young were consumed by the owls. The habitat of the Powerful Owl was examined by ground surveys and spotlight surveys in sixteen sites within the Warrandyte-Kinglake Nature Conservation Link. Four categories of survey sites were chosen with the following features. Category A - Sites with a dense understorey of shrubs and small trees, as well as many old trees (>10/ha) which might be suitable for nest hollows. Category B - Sites which lacked a dense understorey of shrubs and small trees and containing few or no old trees suitable for nest hollows. Category C - Sites with a dense understorey of shrubs and small trees but containing few or no old trees suitable for nest hollows. Category D - Sites which lacked a dense understorey of shrubs and small trees but having old trees (>10/ha) which might be suitable for nest hollows. High prey densities strongly correlated with the presence of hollows at these sites. In the light of the results, management recommendations were made for the future conservation of the Powerful Owls living at Christmas Hills. The following recommendations were particularly important: 1. Cleared or semi - cleared land within the Warrandyte Kinglake Nature Conservation Link be revegetated using indigenous species of eucalypts and waffles in order to provide a contiguous native forest corridor for the movement of possums and gliders between the Yarra River Valley and the Kinglake Plateau. 2. Continued planting of Eucalyptus spp. and Acacia spp. in the forested areas of the Warrandyte-Kinglake Nature Conservation Link. 3. Continued protection of healthy living trees to provide a continuous supply of hollow trees. 4. No falling of dead standing trees for firewood collecting as these can provide nest hollows for prey species of the Powerful Owl.
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Barss, John M. "The analysis and use of methodologies for the study of the diets of long-eared owls from three environments in north central Oregon." PDXScholar, 1985. https://pdxscholar.library.pdx.edu/open_access_etds/3437.

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Part I of this study presents a procedure for standardization of pellet analysis methodologies which improves estimation of prey biomass and determines the number of pellets needed to estimate prey diversity indices. The procedure was developed to provide a simple, easily replicated methodology for the study of pellets which also retains maximal data recorded from pellet analysis. A sample size of ten Long-eared Owl pellets was found adequate to calculate diversity indices with no significant loss of accuracy when compared to total pellets recovered from beneath a roosting site. Analysis of the total sample of pellets from a specific roost provided information on intraspecies size selection by Long-eared Owls and also increased the probability of finding remains of rare prey in pellets from the areas studied. Part II of this study investigates the influences of seasonality and habitat differences on prey selection by Long-eared Owls in north-central Oregon. Differences in habitat where Long-eared Owls foraged were found to significantly influence prey species selection of Thomomys talpoides , Lagurus curtatus, Peromyscus maniculatus, Microtus montanus, and Perognathus parvus. Significant seasonal differences were also observed in the consumption of T. talpoides and M. montanus. Analysis of intraspecific size selection of northern pocket gophers by Long-eared Owls supports the observation that size of prey influences the foraging strategies of Long-eared Owls to a greater degree than does species composition.
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Ocampo, Duran Alvaro. "High lipid diets based on palm oil for growing-fattening pigs." Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270837.

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Silva, Sandra Barbosa da. "Efeitos benéficos do tratamento com óleo de peixe em camundongos c57bl/6 alimentados com dieta hiperlipídica e rica em sacarose." Universidade do Estado do Rio de Janeiro, 2008. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=3258.

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Fundação Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro
Avaliar os efeitos benéficos do tratamento com óleo de peixe sobre mudanças metabólicas e morfológicas no pâncreas e tecido adiposo de camundongos C57BL/6 alimentados com dieta rica em lipídeos e sacarose (HLS).Camundongos machos da linhagem C57BL/6, foram alimentados com dieta padrão (P) ou dieta HLS. Aos 3 meses de idade, os camundongos do grupo HLS foram separados em grupo não-tratado (HLS) ou grupo tratado com óleo de peixe (HLS-Px, 1,5g/kg/dia). Aos 4 meses de idade os animais foram sacrificados. O grupo HLS apresentou aumento da massa corporal (MC) e no acúmulo do tecido adiposo total, porém o grupo HLS-Px apresentou menor MC e massa de tecido adiposo comparado ao grupo HLS. As concentrações de glicose plasmática e insulina não foram afetadas entre os grupos, no entanto os grupos HLS e HLS-Px apresentaram maior HOMA-IR. Os grupos HLS e HLS-Px apresentaram maiores concentrações plasmáticas do colesterol total e LDL-C, porém o grupo HLS-Px apresentou maior concentração plasmática do HDL-C e redução da concentração de triglicerídeos. Os adipócitos do grupo HLS apresentaram maior diâmetro quando comparado aos grupos controle e HLS-Px. A massa do pâncreas foi menor no grupo HLS-Px e as ilhotas pancreáticas apresentaram maior diâmetro no grupo HLS, quando comparado ao grupo controle. A expressão de insulina, glucagon e GLUT-2 mostrou-se forte em todas as ilhotas pancreáticas do grupo controle, mas o grupo HLS apresentou fraca expressão para o GLUT-2. Entretanto, HLS-Px apresentou maior expressão do GLUT-2. O tratamento com óleo de peixe foi capaz de reduzir o ganho de massa corporal e a concentração de triglicerídeos, assim como reduzir o acúmulo de tecido adiposo,hipertrofia dos adipócitos, das ilhotas pancreáticas, assim como prevenir a redução do GLUT-2 em camundongos C57BL/6.
To evaluate the fish oil treatment upon morphological and metabolic changes in the pancreas and adipose tissue of C57BL/6 mice fed high-fat-high-sucrose (HFHS) diet. Male C57BL/6 mice were fed HFHS chow or standard chow (SC). At 3 mo-old, HFHS mice were separated into untreated group (HFHS) or treated with fish oil (HFHS-Fo, 1.5 g/kg/day). At 4-mo-old animals were sacrificed. HFHS had increase in body mass (BM) and in total body fat, but HFHS-Fo had smaller BM and total body fat in relation to HFHS. Plasma glucose and insulin levels were not affected among the groups, but HFHS and HFHS-Fo had higher HOMA-IR ratio. HFHS and HFHS-FO had increased plasma total cholesterol and LDL-C, but HFHS-Fo increased plasma HDL-C and decreased triglycerides levels. The adipocytes size were greater in HFHS, when compared to SC and HFHS-Fo groups. HFHS-Fo had smaller pancreas mass and HFHS presented higher islet pancreatic diameter, when compared to SC group. SC group showed strong expression for insulin, glucagon and GLUT-2 in all pancreatic islets, and HFHS presented lesser expression for GLUT-2. However, HFHS-Fo presented increase of GLUT-2 expression. Fish oil treatment was able to reduce body mass gain and plasma TG, reduce fat pad adiposity as well as adipocyte and pancreatic islet hypertrophy, prevent decrease GLUT-2 in C57BL/6.
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Schneider, Mary Katherine. "An Oxidized Fat Containing Diet Decreases Weight Gain but Increases Adiposity in Mice Fed a Low Fat Diet." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/nutrition_theses/1.

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Introduction: Fast and convenience foods are abundant, relatively inexpensive, and accommodating to the fast-paced lifestyle of many Americans. One popular method of cooking used by many fast food establishments is deep-fat frying. Soybean oil is commonly used for frying and is rich in polyunsaturated fatty acids (PUFA) such as linoleic acid (LA). When soybean oil is used for deep-fat frying, LA becomes oxidized (Ox-LA). Endogenous Ox-LA has the capacity to be a ligand to peroxisome proliferator-activated receptor gamma (PPAR¥ã), a nuclear transcription factor that regulates adipocyte maturation. It is not yet known whether or not dietary Ox-LA has the same capacity with respect to PPAR¥ã. Considering the fact that dietary oxidized lipids are abundant in the typical American diet, it is important to know if they regulate weight gain and especially adipose tissue mass. In this study, we investigate the effects of fresh and heated soybean oil on weight gain and adiposity in mice fed isocaloric low fat diets. Methods: Soybean oil was heated on a hot plate, under a hood, at 190¨¬C for three hours. Fresh soybean oil served as the source of unoxidized oil (Unox-oil) and the heated oil served as the source of oxidized oil (Ox-oil). Both the Ox-oil and Unox-oil were incorporated into a low-fat (10% of calories) mouse chow by Research Diets, Inc. (New Brunswick, NJ). Sixteen C57BL/6J mice were divided into two groups and fed low fat diets with Ox-oil (low fat oxidized, LFO) or with Unox-oil (low fat unoxidized, LFU). Another group of 8 mice were pair fed to the LFO group with the Unox-oil containing chow (PLU). Mice in the LFO and LFU groups were fed ad libitum and known amounts of fresh food was added to the cages every three days. Leftover food was weighed. Body weights were measured once a week. After 16 weeks mice were euthanized and epididymal white adipose tissue (EWAT), retroperitoneal white adipose tissue (RWAT), inguinal white adipose tissue (IWAT), and intrascapular brown adipose tissue (IBAT) samples were collected, weighed and stored at -80 degrees Celsius until further analysis. Fat pads were homogenized and cytosolic and nuclear proteins were extracted by standard methods. These extracts were subjected to Western blotting to determine the amount of PPAR¥ã in the cytosol and nuclear compartments of the fat pads. Differences in group means were analyzed by Mann Whitney U test. Comparisons were considered statistically significant at a p-value of < 0.05. Results: Final mean body weights were significantly different when comparing the mice in the LFU group to the pair fed mice (PLU) (mean ¡¾ SD; 29.52 ¡¾ 1.09 grams (g) and 26.85 ¡¾ 1.44 g, respectively; p < 0.05). Mice fed a low fat diet consisting of Ox-oil (LFO) had a final mean body weight of 27.88 ¡¾ 2.03 g. Mice in the LFU group gained significantly more weight on average than did mice in the LFO or PLU groups (mean ¡¾ SD; 8.86 ¡¾ 1.37g, 7.10 ¡¾ 1.47 g, and 5.71 ¡¾ 1.13 g, respectively). Although mean food intakes were not significantly different between any of the three groups, the average food intake was greatest for the LFU mice in comparison to the LFO and the PLU mice (mean ¡¾ SD; 20.65 ¡¾ 0.09 g/week, 18.40 ¡¾ 0.05 g/week, and 18.38 ¡¾ 0.19 g/week, respectively). Feeding efficiency (g of weight gain/g of food consumed) was the highest in the LFU mice compared to the PLU mice (mean ¡¾ SD; 0.031 ¡¾ 0.005 g/g and0.022 ¡¾ 0.004 g/g) and this difference was statistically significant. The LFO mice gained less weight per gram of food consumed than did the LFU mice (mean ¡¾ SD; 0.028 ¡¾ 0.006 g/g). Mean weights of all fat pads in the LFO group were significantly greater than those of the LFU and PLU mice (mean ¡¾ SD; 0.329 ¡¾ 0.109g, 0.199 ¡¾ 0.055g, and 0.219 ¡¾ 0.041 for EWAT, 0.091 ¡¾ 0.039g, 0.050 ¡¾ 0.026g, and 0.051 ¡¾ 0.017 for RWAT, 0.221 ¡¾ 0.065g, 0.135 ¡¾ 0.053g, and 0.144 ¡¾ 0.038 for IWAT, and 0.079 ¡¾ 0.012g, 0.055 ¡¾ 0.013g, and 0.062 ¡¾ 0.011 for IBAT, respectively). PPAR¥ã protein in the cytosol of EWAT fat pads was analyzed and quantified in comparison to the amount of Glyceraldehyde-3-phosphate dehydrogenase (GAPDH; loading control) present. Mean PPAR¥ã /GAPDH ratios for LFU mice was 0.226 ¡¾ 0.082, for LFO mice was 0.264 ¡¾ 0.122, and for PLU mice was 0.234 ¡¾ 0.108. Mean PPAR¥ã:GAPDH ratios were not significantly different between any of the groups. Conclusion: It appears that the consumption of oxidized oil caused a significant decrease in weight gain and food intake (although not significant) and a significant increase in fat pad mass in mice compared to those consuming a diet with unoxidized oil. The lack of difference in the amount of PPAR¥ã among the three groups of mice suggests that the changes in weight gain and fat pad mass among the oxidized oil consuming animals is not mediated through regulation of PPAR¥ã protein. To our knowledge, ours is the first study to report that mice consuming a low fat diet inclusive of dietary oxidized lipids exhibit greater adiposity than do mice consuming a low fat diet consisting of unoxidized lipids.
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Mrykalo, Robert. "The Florida Burrowing Owl in a Rural Environment: Breeding Habitat, Dispersal, PostBreeding Habitat, Behavior, and Diet." Scholar Commons, 2005. https://scholarcommons.usf.edu/etd/779.

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The first observations of Florida burrowing owls (Athene cunicularia floridana) occurred in the 19th century on historical dry prairie habitat in south central Florida. These early observations documented the ecology of burrowing owls in rural environments. Since then the vast majority of research on this subspecies has been undertaken in suburban and urban environments during the breeding period. The research undertaken on burrowing owls in suburban and urban environments includes determining natal dispersal distance, assessing female fecundity, mate fidelity, territory fidelity, date of juvenile and adult dispersal from breeding habitat, date of clutch initiation, nesting success, density of breeding pairs, causes of mortality, prey preference, and minimum annual survival of fledglings, juveniles, and adults. Very little research has been undertaken on burrowing owls in rural environments. The purpose of this thesis was to elucidate the behavior and ecology of burrowing owls in a rural environment. The topics researched in this thesis include home range in breeding habitat, dispersal distance to post-breeding habitat, location of post-breeding habitat, behavior during the breeding period, diet of rural versus urban owls, and the evaluation of three methods to trap burrowing owls. The results of this thesis indicate that, during the daytime, juvenile burrowing owls utilized habitat very close to the main and satellite burrows during the breeding period. At night juvenile owls foraged in an extensive saw palmetto patch surrounding the breeding habitat. The predominant prey of both rural and urban burrowing owls during the breeding period was insects. Dispersal of juvenile burrowing owls from breeding habitat coincided with the flooding of the breeding habitat during the rainy season.
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Patel, Preya K. "The relative effects of diets containing structured Triglyceride or palm oil/palm kernel oil on serum lipids and apolipoproteins in men." The Ohio State University, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=osu1413458729.

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Jesus, Elmeson Ferreira de [UNESP]. "Óleo funcional na dieta de vacas leiteiras." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/134246.

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O presente estudo teve como objetivo avaliar os efeitos da inclusão de óleo funcional composto de ácido anacárdico, cardol e cardanol (óleo da castanha de cajú) e ácido ricinoleico (óleo de mamona) na dieta de vacas em lactação sobre consumo, digestibilidade aparente total da matéria seca e nutrientes, fermentação ruminal, produção e composição do leite, síntese de proteína microbiana, perfil metabólico, balanço de nitrogênio e energia. Foram utilizadas vinte e quatro vacas pluriparas da raça Holandês, das quais seis apresentavam cânula ruminal, com peso corporal médio de 618 ± 76 kg, 150,24 ± 91,43 dias em lactação e 29,1 ± 4,01 kg/dia de produção de leite no início do experimento. As vacas foram alocadas em oito Quadrados Latinos 3 x 3, balanceados e contemporâneos, alimentadas com os seguintes tratamentos: 1) controle (CON), composto por dieta basal sem inclusão de aditivos; 2) óleo funcional (OF), com adição de 500 mg/kg da MS (Essential® Oligo Basics) e 3) monensina sódica (MON) com adição de 22 mg/kg da MS. Não houve efeito (P>0,05) dos tratamentos sobre o consumo de matéria seca e nutrientes (kg/dia), coeficientes de digestibilidade e consumo em porcentagem do peso corporal. A inclusão de óleo funcional ou monensina sódica na dieta não alterou (P>0,05) o pH, as concentrações de amônia, acetato e butirato, e a relação acetato: propionato no rúmen. No entanto, as inclusões de óleo funcional ou monensina sódica aumentaram (P<0,05) a concentração de propionato ruminal e o tratamento óleo funcional aumentou (P<0,05) a concentração total de ácidos graxos de cadeia ramificada. As vacas alimentadas com óleo funcional ou monensina sódica apresentaram aumento (P<0,05) da produção de leite, mas a inclusão de monensina sódica reduziu (P<0,05) o teor de gordura do leite. A inclusão de óleo funcional reduziu (P<0,05) a concentração de ureia no sangue. A síntese de proteína microbiana e os balanços de energia e nitrogênio não foram influenciados pelos tratamentos (P>0,05). A inclusão de óleo funcional ou monensina sódica nas dietas aumentaram a produção de leite e a concentração de propionato ruminal, sem alterar o consumo e a digestibilidade da matéria seca e nutrientes.
This study aimed to evaluate the effects of the inclusion of functional oil composed of anacardic acid, cardol and cardanol (cashew nut shell liquid and castor oil) and ricinoleic acid (castor oil) in diets of dairy cows on intake, total apparent digestibility of dry matter and nutrients, rumen fermentation, milk yield and composition, microbial protein synthesis, metabolic profile, and nitrogen and energy balance. Twenty-four multiparous Holstein cows (six cannulated in the rumen), with an average body weight of 618 ± 76 kg, 150.24 ± 91.43 days in lactation and milk yield of 29.1 ± 4.01 kg/day in the beginning of the study were evaluated. Cows were allocated into eight 3 x 3 Latin squares, balanced and contemporary, and fed with the following treatments: 1) control (CON), composed of basal diet without inclusion of additives; 2) Functional oil (FO) with addition of 500 mg/kg DM (Essential® Oligo Basics) and 3) monensin (MON) with addition of 18 mg/kg DM. There was no effect (P>0.05) of treatments on dry matter and nutrients intake (kg/day), digestibility and intake as percentage of body weight. The inclusion of functional oil or monensin in the diet did not affect (P>0.05) pH, ammonia, acetate and butyrate concentrations and acetate: propionate ratio in the rumen. However, the inclusions of functional oil or monensin increased (P<0.05) the concentration of ruminal propionate. In addition, functional oil treatment increased (P<0.05) total concentration of branched chain fatty acids. The cows fed diets with oil or functional monensin increased (P<0.05) the milk yield of dairy cows, but cows fed diets with monensin had lower (P<0.05) milk fat content. The addition of functional oil in the diet also reduced (P<0.05) the concentration of blood urea. The microbial protein synthesis, and energy and nitrogen balances were not affected by treatments (P>0.05). Inclusion of functional oil or monensin in the diets increased milk yield and concentration of ruminal propionate without changing intake and digestibility of dry matter and nutrients.
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Holmes-Miller, Leah. "The Effect of Supplementing Grazing Dairy Cattle Diets with Fish Oil and Linseed Oil on Milk CLA and Omega-3 Fatty Acid Content." Available to subscribers only, 2009. http://proquest.umi.com/pqdweb?did=1885462201&sid=2&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Kline, Kristen Alissa. "Metabolic effects of incremental exercise on Arabian horses fed diets containing corn oil and soy lecithin." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/37030.

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Feeding a fat-containing diet to the exercising horse is a facile way to increase energy density without risking the complications associated with hydrolyzable carbohydrates. Fat adaptation may also result in increases in the utilization of free fatty acids for fuel during exercise and sparing of muscle glycogen. Phosphatidylcholine, the main component of lecithins, can influence muscle contraction and improve endurance capacity during exercise. When it is combined with corn oil in a total mixed ration, soy lecithin is both highly digestible and palatable to horses. Our objectives in this study were to compare the effects of incremental exercise and isocaloric control (CON), corn oil (CO), and a soy lecithin/corn oil (LE) diets on plasma free fatty acids (FFA), cholesterol, glycerol, triglyceride (TG), lactate, and glucose. Also three different statistical models were compared for goodness of fit to the lactate curve. Plasma lactate and glucose both increased slowly early in the incremental exercise test (IET), then increased rapidly as the work intensity increased. Both decreased during recovery. No effects of IET or diet were found for either of these variables. Plasma TG was unchanged during exercise, but increased rapidly during recovery. Plasma FFA decreased from resting early in the IET then remained steady throughout the remainder of exercise. During recovery a rapid increase was exhibited. Plasma glycerol was constant during exercise, but increased during recovery. Plasma cholesterol did not change during exercise or recovery. Diet affected plasma FFA. Plasma FFA were lower for the CO and LE diets than the CON diet during the IET. Plasma glycerol was lower for the CO diet than the CON diet during the IET, with the LE diet intermediate between the two. Plasma cholesterol was higher for the CO and LE diets than the CON diet during the IET. A segmented model and an exponential model were found to have a good fit to the lactate curve. A point of inflection for a rapid increase in plasma lactate during incremental exercise was discovered. When this model was applied to diet, no differences in lactate threshold were found between the diets. Some criteria for fat adaptation were met, namely diet affected plasma FFA, glycerol, and cholesterol. However diet did not affect plasma TG, lactate, or glucose. This indicates that the rate of fatty acid oxidation was increased following fat adaptation, but it did not affect the rate of glucose oxidation and glycolysis during exercise. A lactate threshold for the equine can be obtained using a broken line model. Further studies using this approach are needed to establish its correlation with performance.
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Books on the topic "Owl diets"

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Barss, John M. Diets of long-eared owls from three habitats in north-central Oregon. Portland, Or: Oregon Dept. of Fish and Wildlife, Nongame Wildlife Program, 1985.

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Barss, John M. Diets of long-eared owls from three habitats in north-central Oregon. Portland, Or: Oregon Dept. of Fish and Wildlife, Nongame Wildlife Program, 1985.

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Barss, John M. An analysis of methodologies for the study of the diets of long- eared owls. Portland, Or: Oregon Dept. of Fish and Wildlife, Nongame Wildlife Program, 1985.

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1930-, Spiegl Marilyn J., ed. Olive oil cookery: The Mediterranean diet. Summertown, Tenn: Book Pub. Co., 1995.

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Woman's Own 5 day miracle diet. London: Vermilion, 1997.

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Calbom, Cherie. The Coconut Diet. New York: Grand Central Publishing, 2008.

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Get smart about weight control: How to develop your own lifelong weight control program. [Summit, N.J.]: PIA Press, 1988.

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Bland, Jeffrey. Assess your own nutritional status. New Canaan, Conn: Keats Pub., 1987.

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Chhajer, Bimal. Zero oil cookbook. New Delhi: Fusion, 2002.

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Esselstyn, Rip. The Engine 2 Diet. New York: Grand Central Publishing, 2009.

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Book chapters on the topic "Owl diets"

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Boskou, Dimitrios. "Olive Oil." In More on Mediterranean Diets, 180–210. Basel: KARGER, 2006. http://dx.doi.org/10.1159/000097916.

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Hoffman, Richard, and Mariette Gerber. "Olive Oil and Other Fats." In The Mediterranean Diet, 137–53. West Sussex, UK: John Wiley & Sons, Ltd., 2013. http://dx.doi.org/10.1002/9781118785027.ch6.

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Cibois, Alice, Jean-Claude Thibault, and Meyer Jean-Yves. "Great horned owl (Bubo virginianus Gmelin, 1788)." In Invasive birds: global trends and impacts, 252–54. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789242065.0252.

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Abstract This chapter describes the common terminologies, taxonomy, morphology, geographical distribution, physiology, diet, behaviour, reproduction, habitats, ecology, invasion pathways, environmental impact, control and human use of the great horned owl (Bubo virginianus).
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Delgado, Amélia Martins, Salvatore Parisi, and Maria Daniel Vaz Almeida. "Olive Oil and Table Olives." In Chemistry of the Mediterranean Diet, 33–57. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29370-7_4.

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Moral, Raquel, and Eduard Escrich. "Extra Virgin Olive Oil and Corn Oil and Epigenetic Patterns in Breast Cancer." In Handbook of Nutrition, Diet, and Epigenetics, 1877–96. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-55530-0_15.

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Moral, Raquel, and Eduard Escrich. "Extra Virgin Olive Oil and Corn Oil and Epigenetic Patterns in Breast Cancer." In Handbook of Nutrition, Diet, and Epigenetics, 1–20. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-31143-2_15-1.

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Viola, P., F. Nobili, and M. Viola. "Olive oil as a skin protector." In Handbook of diet, nutrition and the skin, 282–99. Wageningen: Wageningen Academic Publishers, 2012. http://dx.doi.org/10.3920/978-90-8686-729-5_17.

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Chatterjee, Malay, Subhadeep Das, Mary Chatterjee, and Kaushik Roy. "Role of Fish Oil from Gene Expression to Pharmacological Effect in Cancer Prevention." In Nutrition, Diet and Cancer, 541–55. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2923-0_21.

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Herrera, Emilio, Patricia Casas-Agustench, and Alberto Dávalos. "Maternal Fish Oil Intake and Insulin Resistance in the Offspring." In Diet, Nutrition, and Fetal Programming, 261–77. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60289-9_20.

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Wiggins, Ashleigh K., Julie K. Mason, and Lilian U. Thompson. "Beneficial Influence of Diets Enriched with Flaxseed and Flaxseed Oil on Cancer." In Cancer Chemoprevention and Treatment by Diet Therapy, 55–89. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-6443-9_3.

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Conference papers on the topic "Owl diets"

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Schaub, R. G., and F. P. Bell. "LIPID ACCUMULATION AND METABOLISM IN CARRAGEENAN-INDUCED GRANULOMAS COMPARED TO BLOOD MONOCYTES AND THE AORTA." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643410.

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Arteries undergoing atherogenic change show an increase in cholesteryl esterifying activity by acylCoA:cholesterol acetyl-transferase (ACAT) and a progressive accumulation of cholesterol esters within monocyte derived foam cells. The study of these factors, however, is limited by the necessity of obtaining artery tissues for analysis. In this study, an in vivo model (Am J Path 118:134 and 120:391, 1985) which permits the analysis of foam cell development without requiring collection of aortas was examined in more detail. New Zealand rabbits (6 each) were either maintained on a 1% cholesterol/peanut oil diet (HD) or a regular chow diet (RD) for 2 weeks after which each had 15 ml of a 1% carra-geenan gel (Marine Colloids) injected subcutaneously into the mid-abdominal area. The rabbits were maintained on their respective diets for an additional 4 weeks. At sacrifice, blood was collected for both serum and monocyte isolation. Granulomas and aortic arches were also excised. Tissues were assayed for lipid accumulation and metabolism. Electron and light microscopy was also performed on immersion fixed (1% glutaraldehyde) granuloma tissue. Granulomas of HD rabbits were pale yellow and averaged 36 grams, while RD granulomas were a pale red and averaged 11 grams (p less than 0.05). RD granulomas did not stain with oil red 0. HD granulomas had homogenous oil red 0 staining which indicated lipid accumulation. Both RD and HD granulomas had large numbers of macrophages. RD macrophages accumulated follicular carrageenan, but not lipid. In HD granulomas, foam cell development was observed. Granuloma lipid content and metabolism paralleled the aorta and blood monocytes. The HD tissue had increased ACAT activity and lipid composition changes indicative of atherosclerosis. RD granulomas had no elevation of lipid content or ACAT activity. The results suggest that the carrageenan-induced granulomas provides a useful model for studying the biochemical and morphologic changes characteristic of aortic monocyte-derived foam cells and the early arterial atherosclerotic process.
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Kosolapov, Vladimir, Zinaida Zverkova, Halyaf Ishmuratov, Bella Osipyan, and Larisa Korovina. "Seeds of spring brassica campestris in the diets of chickens-broilers." In Multifunctional adaptive fodder production. ru: Federal Williams Research Center of Forage Production and Agroecology, 2021. http://dx.doi.org/10.33814/mak-2021-25-73-153-157.

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In order to save soybean meal, sunflower oil and reduce the cost of rations, new sources of raw materials can be used. In modern conditions, attention is drawn to the brassica rapa campestris, the seeds of which can be used as a fat and protein supplement. Experiments were carried out to determine the optimal rate for the introduction of seeds of spring rape variety Nadezhda into compound feed for growing broiler chickens. It has been established that this variety belongs to canola varieties and can be included up to 7% (by weight) in the composition of mixed fodders, does not have a negative effect on the state of the body and the growth rate of broiler chickens. The introduction of seeds of spring rape to 7% in the composition of feed for broiler chickens reduces the use of soybean meal to 4.7% and sunflower oil to 2.3% (relative). The efficiency of conversion to products by group was 61.93 % in the control group and 62.18% to 63.62% in the experimental group, respectively.
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Zelt, Mara, Amy Millmier Schmidt, Noelle Atieno Mware, Xu Li, Zachery Staley, Hannah Wilson, and Galen Erickson. "Antimicrobial resistance in beef feedlot manure as impacted by forage concentration and essential oil in finishing cattle diets." In 2019 Boston, Massachusetts July 7- July 10, 2019. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2019. http://dx.doi.org/10.13031/aim.201900232.

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Villarejo, Ana B., Ana B. Segarra, Inmaculada Banegas, Rosemary Wangensteen, Manuel Ramírez, and Isabel Prieto. "Effect of high olive oil diet on aminopeptidase activities in spontaneously hypertensive rats." In XIIth Conference Biologically Active Peptides. Prague: Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 2011. http://dx.doi.org/10.1135/css201113156.

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Flynn, MM, and M. Fenton. "Comparison of weight loss with a National Cancer Institute diet and a plant-based olive oil diet in overweight women with invasive breast cancer." In CTRC-AACR San Antonio Breast Cancer Symposium: 2008 Abstracts. American Association for Cancer Research, 2009. http://dx.doi.org/10.1158/0008-5472.sabcs-5080.

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Al-Khalaifah, Hanan, Afaf Al-Nasser, and Tahani Al-Surrayai. "SENSORY CHARACTERISTICS OF TABLE EGGS AS AFFECTED BY FORTIFICATION OF LAYING FEED RATIONS WITH DIFFERENT FAT SOURCES." In GEOLINKS Conference Proceedings. Saima Consult Ltd, 2021. http://dx.doi.org/10.32008/geolinks2021/b1/v3/23.

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The major objective of this research paper was to investigate the effect of enrichment with different oil sources on the egg quality traits in laying hens. A total of 300 one-day-old pullets were used. There were seven dietary treatments of 10 % diet of the following: soybean oil (SO), sunflower oil (SFO), canola oil (CO), flaxseed oil (FLO), fish oil (FO), a mix of fish oil and soya oil (SO+FO), and DHA algal biomass oil. Each treatment contained six replicates with seven birds each. Random samples of 10 eggs per treatment were used; making 70. The organoleptic parameters included tests on smell, taste, color, and texture. The results revealed that there were no significant differences between the eggs from hens fed the different dietary treatments in terms of the organoleptic parameters used. Flaxseed oil, Fish oil and a mixture of Soy oil +Fish oil can be efficiently used to enrich poultry eggs with n-3 PUFA. However, FLO and flaxseeds can be safely used to avoid the fishy smell of poultry products, if present upon reheating
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Arifah, Siti Nur, Betty Lukiati, and Sri Rahayu Lestari. "Potency of single garlic oil from Indonesian tropical plant in high fat diet-induced hyperlipidemia mice." In Proceedings of the 17th International Conference on Ion Sources. Author(s), 2018. http://dx.doi.org/10.1063/1.5054514.

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Lau, Michelle S., Peter D. Mooney, Michael A. Rees, William L. White, Lauren J. Marks, Marios Hadjivassiliou, and David S. Sanders. "OWE-022 Gluten free diet adherence assessment using CDAT and BIAGI questionnaires in patients with coeliac disease." In British Society of Gastroenterology, Annual General Meeting, 4–7 June 2018, Abstracts. BMJ Publishing Group Ltd and British Society of Gastroenterology, 2018. http://dx.doi.org/10.1136/gutjnl-2018-bsgabstracts.318.

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VREEKEN, J., and M. R. HARDEMAN. "FISH AND PLATELETS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643404.

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The effect of two different amounts of a fish oil, corresponding to 0.75 g (2.5 mmol) and 1.5 g (5 mmol) of eicosapentaenoic acid respectively, added in a cross-over design to the normal diet of 16 healthy male volunteers, was studied. Of the various parameters investigated, the most important appeared to be a new test: “Transient Aggregation Resistance” (TAR) of platelets, a phenomenon which, due to its short half life, is hardly measured when platelet aggregation is studied according to the classic method (see M.R.Hardeman, TAR determination, this congress). Under the influence of fish oil, the half life of TAR was found significantly prolonged. This prolongation, however, was not related to the amount of fish oil used. A highly significant decrease of triglycerides was found, the effect being most pronounced in subjects with triglycerides starting values >1.0 uM. This decrease was related to the amount of fish oil used. These.results may cast light on controversies found in literature concerning the effect of fish oil on platelet aggregation . They can also help to clarify controversies about the effect of fish consumption on cardiac mortality.
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Srinivasan, Malur N., and Kannan Ramakrishnan. "Effect of Mechanical Alloying and Equal Channel Angular Extrusion Consolidation on the Structure and Properties of Tungsten Carbide-Cobalt Alloy." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-37768.

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Tungsten carbide-cobalt (WC-Co) materials are widely used today in the area of heavy duty machining (tool bits), in cold-forming dies and in the oil field industry (drill bits). Limited ductility is exhibited by conventionally produced WC-Co parts because of the presence of a high volume fraction of coarse WC particles in a soft cobalt matrix. Recent investigations have indicated that nanostructured WC-Co parts can attain up to twice the hardness values of conventional parts with coarse microstructure. With this background in view, the authors conducted an investigation to produce nanostructured WC-Co powder using mechanical alloying in an attritor and consolidate the powder through equal channel angular extrusion (ECAE) rather than conventional powder metallurgy technique, into bulk billets. An experimental plan based on 23 factorial experimental design was used to determine the effect of mechanical alloying variables, namely, milling time, milling speed and ball-to-powder ratio on the microhardness of billets produced using ECAE. The significance of these variables was examined with respect to the average microhardness of annealed WC-Co samples. The combination of the variables that was most beneficial to the formation of desired microstructure (nanocrystalline) and good hardness was then established. X-ray diffraction and scanning electron microscope (SEM) analysis were performed to determine the composition and grain size to give a better insight into the microstructure developed under different combination of the variables. It is hoped that the results of this investigation will help to develop the technology to produce superior quality WC-Co parts such as inserts, seats and dies required by the oil tool industry.
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Reports on the topic "Owl diets"

1

Barss, John. The analysis and use of methodologies for the study of the diets of long-eared owls from three environments in north central Oregon. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.5320.

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A floorhand dies when he falls off a mobile oil well servicing rig. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, May 2015. http://dx.doi.org/10.26616/nioshsface14ca001.

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Construction laborer dies in trench cave-in at oil tank removal site in Massachusetts. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, February 1998. http://dx.doi.org/10.26616/nioshsface97ma031.

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Fire fighter dies of a heart attack while responding to a residential oil heater fire - Delaware. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, September 1998. http://dx.doi.org/10.26616/nioshffface98f13.

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Derrick man dies of a crush injury following a 65-foot fall with a collapsing oil drilling rig in Oklahoma. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, September 1998. http://dx.doi.org/10.26616/nioshsface98ok008.

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