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Artykuły w czasopismach na temat "Rodents"

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S, Javid. "Molecular Detection and Genetic Characterization of Toxoplasma gondii using SAG1 & 18SrRNA Genes in Rodents of Golestan Province, Northeast of IRAN". Open Access Journal of Veterinary Science & Research 2, nr 4 (2017): 1–8. http://dx.doi.org/10.23880/oajvsr-16000142.

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Background : Toxoplasma parasite is from Toxoplasmatidea family that initially was seen in Ctinodactylus Gondii rodent. Toxoplasma parasites that extracted from different rodents are same in immunologic and morphologic characteristics but have differences in pathogenicity and genotypes in mice. The rodents are most reservoir host in environment that by attention of human environment vicinity to rodent's environment causes Toxoplasma dispersio n in that area. The aim of this study was abundance detection of toxoplasmosis in rodents of golestan province using SAG1 and 18SrRNA genes. Materials and methods : In this study we collected 285 rodents from Golestan forest and extracted brain and heart t issues to obtain DNA of SAG1 and 18SrRNA genes from these tissues. We divided these rodents to 4 groups and then detected the positive samples by PCR method. Results : In this study we found 68 samples of these rodents were positive for SAG1 and 18SrRNA ge nes. 38 samples were Ratus ratus, 10 samples were Ratus norvegicus, 10samples were Mus musculus and 10 samples were Rombumys opimus. Conclusion and Discussion : in this study we found that the different types of rodents were responsible to spread of toxopl asmosis, also SAG1 and 18SrRNA genes were very useful markers to detect toxoplasmosis in rodents of northeast area of IRAN.
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WANG, WEI, LANCE A. DURDEN i RENFU SHAO. "A new species of sucking louse (Psocodea: Phthiraptera: Anoplura: Hoplopleuridae) from the pale field rat, Rattus tunneyi (Rodentia: Muridae), in Australia". Zootaxa 5091, nr 3 (14.01.2022): 85–94. http://dx.doi.org/10.11646/zootaxa.5091.3.7.

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We describe and illustrate a new species of sucking louse, Hoplopleura tunneya new species, from the Australian pale field rat, Rattus tunneyi Thomas (Rodentia: Muridae). Currently, 22 species of the genus Hoplopleura Enderlein, 1904 (Phthiraptera: Anoplura: Hoplopleuridae) are known from Australian endemic rodents. Among the seven “new endemic” rodent species of the genus Rattus in Australia, R. tunneyi is one of five hosts to Hoplopleura lice. In addition, we give a list of all the species of Hoplopleura known from Australian endemic rodents. Including the introduced species Polyplax spinulosa, the total number of sucking louse species known from Australian endemic rodents is now 24.
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Silveira, Erick E., Caio Biasi, Amilton Cesar Santos, Helton Carlos Sabino Pereira, Helen Abud, Antonio Lisboa Neto, João Marcos Leite i Antonio Chaves Assis Neto. "Description of the terminal branches of the abdominal aorta in capybaras Hydrochoerus hydrochaeris Linnaeus, 1766 (Mammalia: Rodentia)". Brazilian Journal of Biological Sciences 5, nr 11 (2018): 773–79. http://dx.doi.org/10.21472/bjbs.051115.

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The capybara Hydrochoerus hydrochaeris Linnaeus, 1766 (Mammalia: Rodentia) is the largest rodent in the world, with great economic potential. Exceeding 80 kg, the animal always lives close to water bodies and its hierarchical flocks have a single dominant male. Current study analyzes the structure and positioning of the terminal branches of the capybara's abdominal aorta to identify clinical pathologies, surgical and radiological procedures, and to contribute towards the knowledge of the rodent's anatomy. The abdominal aorta and its final branches (internal iliac artery, external iliac artery and median sacral artery) of six animals were dissected. Results showed that the organs were very similar to those registered in the literature for other species of rodents.
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Dexter, Nick, Robert C. Dowler, Joseph P. Flanagan, Sharelle Hart, Marcia A. Revelez i Thomas E. Lee Jr. "The influence of Feral Cats Felis catus on the distribution and abundance of introduced and endemic Galápagos rodents". Pacific Conservation Biology 10, nr 4 (2004): 210. http://dx.doi.org/10.1071/pc040210.

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The impact of feral cats on the distribution and abundance of endemic and introduced rodents in the Gal�pagos Islands, Ecuador was assessed by sampling the rodent fauna of islands with and without cats. All islands where endemic rodents are known to have previously occurred were sampled. No new species of rodent or species considered extinct were recorded, but all species of endemic rodents believed to be extant were recorded. All islands sampled had rodents, but no endemic rodents were recorded on islands with cats. To examine whether endemic rodents had a potentially higher susceptibility to predation by cats compared to introduced rodents, the aversion of rodents to the scent of cats was tested by placing dried cat faeces on every second trap at each site trapped and the difference in trap success between endemic and introduced rodents compared. Introduced rodents on islands with feral cats were significantly less likely to enter traps with cat faeces compared to endemic and introduced rodents on islands without cats. This suggests that Gal�pagos endemic rodents may be more susceptible to predation by cats than introduced rodents because of the lack of an innate aversion to cats.
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Amori, Giovanni, Guido Alari Esposito i Luca Luiselli. "Known from a handful of specimens: analyzing the worldwide patterns of occurrence and conservation of rodents and shrews recorded only from the type locality". Journal of Threatened Taxa 8, nr 3 (26.03.2016): 8556. http://dx.doi.org/10.11609/jott.2405.8.3.8556-8563.

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Traditionally, conservation research has not focused on Rodentia and Soricomorpha, and many species are known from a handful of specimens and the type locality only (few and type locality species (FETP)). Here we studied the patterns of occurrence of FETP rodents and soricomorphs in relation to geographical area and vegetation zones and report some conservation considerations. Overall, 91 species of Rodentia and 19 species of Soricomorpha were selected. There was a positive correlation between number of species per genus and number of FETP species in each genus. The majority of FETP rodents occur in the Neotropical, Afrotropical and Oriental regions, and soricomorphs in the Afrotropical and Oriental regions. Higher numbers of FETP rodent species occurred in Argentina and Indonesia. There was a positive relationship between species richness of rodents per country and number of FETP species. In terms of habitat type, FETP species of rodents and soricomorphs showed similar patterns, with most species being found in rainforest. The great majority of selected species of both groups were Data Deficient (DD), with Critically Endangered (CR) accounting for 16.5% of Rodentia and 5.3% of Soricomorpha. Overall, IUCN threatened species mostly occur in the Neotropical region, followed by the Afrotropical region. It is urged that IUCN authorities should promptly revise all FETP species and their precautionary CR status, at least when a reasonable timespan (i.e., >25 years) has passed since the last records.
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Mawanda, Patrick, Innocent Rwego, John J Kisakye i Douglas Sheil. "Rodents as potential hosts and reservoirs of parasites along the edge of a Central African forest: Bwindi impenetrable national park, South Western Uganda". African Health Sciences 20, nr 3 (7.10.2020): 1168–78. http://dx.doi.org/10.4314/ahs.v20i3.20.

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Background: Rodents which constitute 42% of the world’s mammalian population are major reservoirs of pathogens that cause zoonoses. Currently we know little about rodents’ potential zoonotic transfer from human settlements into protected areas and how any such threats might be reduced. Objective: To investigate the role of rodents as reservoirs of zoonotic pathogens along the boundary of Bwindi. Methods: A rodent inventory in three villages along the edge of Bwindi, was carried using live trapping techniques and the local rodents’ ecto and endoparasite fauna investigated. Results: Two hundred eighty eight rodents captured belonged to 24 species, 17 genera and 4 families with Lophuromys aquilus being most abundant (30.2%). 240 ectoparasites which included mites, fleas and ticks were collected from 88 rodents out of 249. Proamys jacksoni rodents were most infested. Although the mites represented the largest proportion (84.6%), the highest species diversity was shown among the fleas (9 species). Some 36.9% of the rodents were infected with endopara- sites of which L. aquilus haboured most. Endoparasitic genera identified included Nippostrongylus, Ascaris, Strongyloides, Trichuris, Hymenolepis, Taenia and Cryptosporidium. Conclusion: Rodents have a zoonotic potentiality. There is need for developing effective integrated rodent management programs against rodent to reduce chances of parasite transmission within the protected areas. Keywords: Bwind; human disease; mountain gorillas; rodents; transmission.
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Best, Ian Nicholas, Pei-Jen Lee Shaner, Kurtis Jai-Chyi Pei i Chi-Chien Kuo. "Farmers’ Knowledge, Attitudes, and Control Practices of Rodents in an Agricultural Area of Taiwan". Agronomy 12, nr 5 (12.05.2022): 1169. http://dx.doi.org/10.3390/agronomy12051169.

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Rodents threaten agricultural industries and food security on a global scale. Rodent management practices routinely involve the use of chemical products, mainly anticoagulant rodenticides (ARs). An understanding of farmer rodent control behaviors is crucial in order to implement management changes to more environmentally friendly practices. In this study, we surveyed farmers in an agricultural area of northwestern Taiwan on their knowledge, attitudes, and control practices for rodent pests. From our survey sample of 126 farmers, rodents were perceived to be the most problematic for vegetable crops, followed by rice, and then fruit. Farmers in the oldest age group and those that perceived rodents to cause extensive damage to their crops were found to have the most negative attitudes toward the pests. One-third of the farmers in our survey stated they currently use rodenticides, with crop type, perceived problems caused by rodents, and attitudes toward rodents found to be important explanatory variables. Our results indicate that the use of rodenticides is reactive; farmers are more likely to apply the chemical products if they perceive rodents to cause damage. Additionally, cost–benefit assessments are likely important in governing rodent control behaviors; farmers may be more inclined to use control products that are subsidized by the government, which include ARs, when they observe damage to their crops inflicted by rodents. We also describe how ecologically based rodent management (EBRM) practices could be feasible and sustainable alternatives to rodenticide use.
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Hogstad, Olav. "Hunting strategies by Siberian Jays Perisoreus infaustus on wintering small rodents". Ornis Norvegica 39 (9.08.2016): 25. http://dx.doi.org/10.15845/on.v39i0.1031.

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The Siberian Jay Perisoreus infaustus, the smallest of west Palearctic corvids, is year-round resident, territorial and stores food prior to the winter. I studied the species’ hunting strategies on small rodents from November through March during 2004–2015 in a subalpine mixed forest in central Norway. Along a fixed track of ca. 5 km, I recorded where a flock of Siberian Jays was first observed. In years when small rodents (mainly bank voles Myodes glareolus) were abundant, the birds were most often seen in trees near open areas with numerous tracks of rodents, and mainly within the forest in years with low rodent abundance. In cold days, i.e. with ambient temperature below –10 oC, very few tracks of small rodents were registered in the snow despite high rodent abundance, and the birds then stayed within the forest. Siberian Jays apparently often stay near open areas hunting for small rodents running in the snow in years with a high rodent abundance, but keep more within the forest in years with low rodent abundance or in cold weather when the rodents live below the snow surface.
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Reed, A. W., G. A. Kaufman i D. W. Kaufman. "Rodent seed predation and GUDs: effect of burning and topography". Canadian Journal of Zoology 83, nr 10 (1.10.2005): 1279–85. http://dx.doi.org/10.1139/z05-124.

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We examined the relationships between seed predation and the habitat into which a seed falls, abundance of rodents within that habitat, and foraging pattern of rodents within that habitat. Using seed plots, we assessed seed predation in burned and unburned tallgrass prairies at biweekly intervals between May and September in 2001 and 2002. Significantly more seed was removed from plots in burned than unburned prairies. Rodent abundance did not differ between burned prairie and unburned prairie, although the abundance of omnivorous–granivorous rodents (herbivores excluded) was greater in burned than unburned prairie. Proportion of seed removed in burned and unburned prairies was independent of both total rodent abundance and abundance of omnivorous–granivorous rodents. We also measured giving-up density (GUD) of rodents in burned and unburned prairies during the spring and summer of 2002. GUDs did not differ significantly in burned and unburned prairies. However, rodents had a higher GUD in uplands than in limestone breaks or lowland habitats. Our results suggest that rodent foraging in tallgrass prairie is affected by microhabitat and that rodent abundance is not sufficient to predict seed predation.
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Morris, Philip J. R., Philip G. Cox i Samuel N. Cobb. "Mechanical significance of morphological variation in diprotodont incisors". Royal Society Open Science 6, nr 3 (marzec 2019): 181317. http://dx.doi.org/10.1098/rsos.181317.

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All rodents possess a single pair of enlarged incisors that grow throughout life. This condition (diprotodonty) is characteristic of Rodentia, but is also found in other mammals such as lagomorphs, hyraxes, the aye-aye and common wombat. This study surveyed lower incisor morphology across extant diprotodonts to examine shape variation within and between rodents and other diprotodonts, and to determine if tooth shape varies in a manner predictable from mechanics. Six linear and area variables were recorded from microCT scans of the mandibles of 33 diprotodont mammals. The curvature of the rodent lower incisors, as measured by the proportion of a circle it occupies, was shown to vary between 20 and 45%, with non-Glires taxa falling outside this range. Relative lengths of the portions of the incisor within and external to the mandible were not significantly correlated when the overall size was taken into account. Cross-sectional geometry of the incisor was significantly correlated with the external length of the incisor. Overall, incisor morphology was shown to vary in a way predictable from ecology and mechanics, in order to resist bending. Among non-rodents, lagomorph incisors closely resemble those of rodents, and, relative to rodents, hyrax and wombat incisors are somewhat smaller but aye-aye incisors are much more extreme in morphology.
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Rozprawy doktorskie na temat "Rodents"

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Jadab, Kumar BISWAS. "Variation and Variability of Skull Morphology in Rodents (Mammalia: Rodentia)". Kyoto University, 2020. http://hdl.handle.net/2433/253115.

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Beckwith, Catherine S. "Helicobacters of rodents /". free to MU campus, to others for purchase, 2000. http://wwwlib.umi.com/cr/mo/fullcit?p9999271.

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Gauthier, Remi. "A method of quantifying variations in runway utilization by five species of rodents /". Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65451.

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Higgins, William J. "Do delay signals modulate the effect of d-amphetamine on "self-control" choice?" View electronic thesis (PDF), 2009. http://dl.uncw.edu/etd/2009-1/r3/higginsw/williamhiggins.pdf.

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Hasnie, Fauzia Shams. "Zoster-associated pain in rodents". Thesis, Imperial College London, 2007. http://hdl.handle.net/10044/1/12042.

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Webb, Cheryl Lynn. "Aspects of the control of breathing in the golden-mantled ground squirrel". Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26662.

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Spermophilus lateralis, the golden-mantled ground squirrel, while euthermic exhibits a strong hypoxic ventilatory response, but a relatively blunted hypercapnic ventilatory response similar to other semi-fossorial mammals. Under resting conditions, carotid body chemoreceptors provide a tonic excitatory input to the frequency component of ventilation. Carotid body denervation (CBX) results in a 40% decrease in minute ventilation (V). The overall ventilatory response to hypoxia is unaffected by CBX, although the ventilatory threshold is significantly shifted to lower levels of inspired O₂. CBX also has little effect on the overall response to hypercapnia. Thus, in S. lateralis, it appears that changes in the partial pressure of O₂ (P0₂) In the blood act centrally, rather than peripherally, to play a predominate role in ventilatory control. Chronic exposure to hypoxia and hypercapnia (CHH, 17% O₂ and 4% CO₂) does not result in overall ventilatory acclimation, with minute ventilation being similar to control squirrels acutely exposed to hypoxic and hypercapnic conditions. In spite of this, CHH exposure does result in adjustments to respiration; frequency is decreased and tidal volume is elevated compared to control squirrels acutely exposed to CHH conditions. Overall V sensitivities to both hypoxia and hypercapnia are not significantly altered by CHH exposure. It appears that acclimation to chronic hypoxic and hypercapnic conditions in S. lateralis may increase alveolar minute ventilation relative to total minute ventilation and thus minimize the changes in arterial PO₂ and Pco₂ during hypoxic and hypercapnic exposure. During entrance into hibernation, as metabolic rate and body temperature decline, concomitant decreases in ventilation occur. Two patterns of respiration occur during deep hibernation; a burst breathing pattern characterized by long non-ventilatory periods (Tnvp) separated by bursts of several breaths and a single breath pattern characterized by single breaths separated by a relatively short Tnvp. In S. lateralis during hibernation at body temperatures between 6° and 10°C, a burst breathing pattern prevails. At slightly lower body temperatures, less than 4°C, a single breath breathing pattern prevails. Both burst breathing and single breath breathing squirrels have similar overall levels of resting minute ventilation. Burst breathing squirrels exhibit a significant respiratory response to hypoxia (3% O₂) and when the decreases in metabolic rate during hibernation are taken into account (air convection requirement) their hypoxic sensitivity is similar to that in awake S. lateralis. In contrast, single breath breathing squirrels do not respond to hypoxia at any level tested (down to 3% O₂). Both burst breathing and single breath breathing squirrels show large ventilatory repsonses to hypercapnia. In the burst breathing state hypercapnic sensitivity is significantly higher compared to the single breath breathing state, due to an augmented frequency response during burst breathing. In both groups of hibernating squirrels ventilation is increased during hypercapnia solely by decreases in the nonventilatory period. When ventilation is standardized for the decreases in metabolic rate during hibernation both burst breathing and single breath breathing S. laterlis exhibit a much higher hypercapnic sensitivity than that seen in awake S. lateralis. Carotid body denervation has little effect on ventilatory pattern generation or ventilatory sensitivities to hypoxia and hypercapnia in hibernating squirrels. It appears that during hibernation in S. lateralis, ventilation is controlled primarily by changes in the partial pressure of CO₂ (Pc0₂) in tne blood acting centrally to stimulate ventilation. The burst breathing pattern is produced centrally, as are the respiratory responses to hypoxia and hypercapnia. Thus, central mechanisms involved with ventilatory control are extremely important in both the euthermic state and the hibernating state, but the chemical stimuli regulating ventilation appear to be fundamentally different in euthermic and hibernating S. lateralis.
Science, Faculty of
Zoology, Department of
Graduate
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Huhndorf, Michael H. Loew Sabine Susanne. "Phylogeography and molecular phylogenetics of East African rodents assessing the role of vicariance /". Normal, Ill. : Illinois State University, 2007. http://proquest.umi.com/pqdweb?index=0&did=1432808091&SrchMode=2&sid=7&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1216229896&clientId=43838.

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Thesis (Ph. D.)--Illinois State University, 2007.
Title from title page screen, viewed on July 16, 2008. Dissertation Committee: Sabine S. Loew (chair), Angelo P. Capparella, William L. Perry, John M. Bates, Julian C. Kerbis Peterhans. Includes bibliographical references (leaves 89-99) and abstract. Also available in print.
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Kawalika, Mathias. "Rodents of Ndola (Copperbelt Province, Zambia)". [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=975050680.

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Wells, C. "Studies on Necator americanus in rodents". Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233489.

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Robinson, M. "Immunity to Nematospiroides dubius in rodents". Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355422.

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Książki na temat "Rodents"

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Richardson, V. C. G. Diseases of small domestic rodents. Wyd. 2. Oxford, UK: Blackwell Pub., 2003.

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Richardson, V. C. G. Diseases of small domestic rodents. Oxford [England]: Blackwell Science, 1997.

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Institute of Laboratory Animal Resources (U.S.). Committee on Rodents., red. Rodents. Washington, D.C: National Academy Press, 1996.

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Begall, Sabine, Hynek Burda i Cristian E. Schleich, red. Subterranean Rodents. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-69276-8.

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Washington (State). Dept. of Ecology., red. Rodents: Integrated pest management for rodents, mice. [Olympia, Wash.]: Washington State Dept. of Ecology, 1997.

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Luleå, Tekniska högskolan i., red. Why do rodent populations fluctuate: Stability and bifurcation analysis of some discrete and continuous predator-prey models. [s.l.]: Luleå University of Technology, 1994.

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Anderson, Paul K. Dispersal in rodents: A resident fitness hypothesis. [Provo, Utah]: American Society of Mammalogists, 1989.

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Anderson, Paul K. Dispersal in rodents: A resident fitness hypothesis. [S.l.]: American Society of Mammalogists, 1989.

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Monge, Javier. Roedores plaga de América Central. San José, Costa Rica: Editorial UCR, 2009.

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Alderton, David. Rodents of the world. New York: Facts on File, 1996.

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Części książek na temat "Rodents"

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Pachaly, José Ricardo, Alexandra Acco, Rogério Ribas Lange, Tatiana Monreal Ramos Nogueira, Márcia Furlan Nogueira i Elza Maria Galvão Ciffoni. "Order Rodentia (Rodents)". W Biology, Medicine, and Surgery of South American Wild Animals, 225–37. Ames, Iowa, USA: Iowa State University Press, 2008. http://dx.doi.org/10.1002/9780470376980.ch23.

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Lewis, Jessica H. "Rodents". W Comparative Hemostasis in Vertebrates, 193–207. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4757-9768-8_17.

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Chellappan, Mani. "Rodents". W Polyphagous Pests of Crops, 457–532. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8075-8_11.

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Smith, Clifford, i Alfred Jarecki. "Rodents". W Atlas of Comparative Diagnostic and Experimental Hematology, 1–36. West Sussex, UK: John Wiley & Sons, Ltd., 2013. http://dx.doi.org/10.1002/9781118785072.ch1.

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Heard, Darryl. "Rodents". W Zoo Animal and Wildlife Immobilization and Anesthesia, 893–903. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118792919.ch66.

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Govinda Raj, G. "Rodents". W Pests and Their Management, 973–1013. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8687-8_26.

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Denys, Christiane. "Rodents". W Paleontology and Geology of Laetoli: Human Evolution in Context, 15–53. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9962-4_2.

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Williams, Ray. "Rodents". W Care and Handling of Australian Native Animals, 185–90. P.O. Box 20, Mosman NSW 2088, Australia: Royal Zoological Society of New South Wales, 1990. http://dx.doi.org/10.7882/rzsnsw.1990.018.

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Khachatryan, Arbak, Artur Tevosyan, David Novoselskiy, Gevorg Arakelyan, Alexey Yushkevich i David Nazaretovich Nazarian. "Rodents Anesthesia". W Microsurgery Manual for Medical Students and Residents, 111–14. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73531-9_14.

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Augustine, David J., Jennifer E. Smith, Ana D. Davidson i Paul Stapp. "Burrowing Rodents". W Rangeland Wildlife Ecology and Conservation, 505–48. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34037-6_15.

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AbstractBurrowing rodents have unusually disproportionate effects on rangeland ecosystems because they (1) engineer their environment through burrow construction and modification of vegetation structure, (2) influence ecosystem processes including aboveground plant production, nutrient cycling rates, and water infiltration patterns, (3) alter plant community composition, and (4) provide a prey base for a diverse array of predators. In some cases, engineering effects create habitat for certain faunal species that inhabit burrows or colonies of these rodents. We review the ecology and management of burrowing rodents that function as ecosystem engineers in western North America, which includes prairie dogs (five species in the genus Cynomys), ground squirrels (11 species in the genera Otospermophilus, Poliocitellus, and Urocitellus), pocket gophers (16 widespread species in the genera Cratogeomys, Geomys, and Thomomys), and kangaroo rats (eight widespread species in the genus Dipodomys). Effects of burrowing rodents on vegetation structure, species composition, and nutrient content vary with diet, degree of sociality, body size, and hibernation patterns, and potentially have significant effects on coexisting large grazers, including domestic livestock. Diets of prairie dogs overlap substantially with livestock. Impacts on ranching enterprises can vary with their abundance and seasonally, and may be greatest when burrowing rodents reduce dormant-season forage availability. Ground squirrel, pocket gopher, and kangaroo rat interactions with livestock vary among species in relation to their diet, degree of coloniality, and population density. All prairie dog and ground squirrel species are affected by outbreaks of plague caused by Yersinia pestis, a non-native disease. Plague and population control via rodenticides are the primary factors determining the distribution and abundance of these species. In contrast, pocket gophers and kangaroo rats are unaffected by plague. Management and conservation efforts that enable burrowing rodents to coexist with livestock across broad landscapes will likely be essential for the conservation of a unique suite of bird, mammal, herpetofaunal and arthropod species that depend on them as prey or on their engineering activities for habitat.
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Streszczenia konferencji na temat "Rodents"

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Sitnic, Veaceslav, i Natalia Caraman. "Particularitățile ecologice ale rozătoarelor (Rodentia) – dăunători ai culturilor agricole". W Scientific International Symposium "Plant Protection – Achievements and Perspectives". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2023. http://dx.doi.org/10.53040/ppap2023.13.

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Ecological specificities of Rodents (Rodentia) – pests of agricultural crops. The aim of the paper is to elucidate the ecological features and factors that limit the population of rodent species that are pests of agricultural crops and to develop measures to predict the increase in their population. A very important condition for the manifestation of the reproductive potential of rodents in the agrocenosis is the capacity of agricultural crops during the vegetation period and winter refuge. Damage prevention is possible only by correctly determining the harmfulness threshold.
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Kirillova, N. Y., i A. A. Kirillov. "STROBILOCERCOSIS (HYDATIGERA TAENIAEFORMIS S.L., LARVAE) IN MOUSE-LIKE RODENTS FROM THE PROTECTED AREAS OF MORDOVIA". W THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. VNIIP – FSC VIEV, 2024. http://dx.doi.org/10.31016/978-5-6050437-8-2.2024.25.181-185.

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The main intermediate hosts of the cestode Hydatigera taeniaeformis (Batsch, 1786) sensu lato (s. l.) are mouse-like rodents. During the 2018-2022 field seasons, the helminth fauna in 2.812 specimens of 14 species of mouse-like rodents was studied using the method of complete helminthological dissection in two protected areas of the Republic of Mordovia: the Mordovia State Nature Reserve (1.534 rodents studied) and Smolny National Park (1.278 rodents). The micromammals were captured using steel spring traps. Trap lines consisted of 20 steel spring traps located in 10 m intervals. Strobilocerci Hydatigera taeniaeformis s. l. was only found in 5 rodent species from 14 studied rodents: pygmy wood mouse Sylvaemus uralensis, yellow-necked mouse Sylvaemus flavicollis, striped field mouse Apodemus agrarius, bank vole Clethrionomys glareolus, and pine vole Microtus subterraneus. The total H. taeniaeformis s. l. larvae infection rate in the rodents was 1.2% (34 rodents infected), and an abundance index was 0.02 specimens (42 larvae collected). Hydatigera taeniaeformis s. l. larvae were recorded in the Smolny National Park for the first time. The pine vole M. subterraneus was recorded as the intermediate host for such cestode species for the first time. Our data enhance the understanding of the strobilocercosis spread among mouse-like rodents of the Middle Volga Region fauna.
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Barbazyuk, Evgeniy V., i Ksenya V. Myachina. "DAMAGE TO AGRICULTURE DUE TO THE DEATH OF DIURNAL RAPTORS (A CASE STUDY OF OIL AND GAS FIELD AREA OF THE ORENBURG REGION)". W Treshnikov readings – 2022 Modern geographical global picture and technology of geographic education. Ulyanovsk State Pedagogical University named after I. N. Ulyanov, 2022. http://dx.doi.org/10.33065/978-5-907216-88-4-2022-20-22.

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The paper shows possible calculating damage to agriculture resulting from oil and gas industry activities through an assessment of birds valuable for agriculture and electrocuted on oil and gas infrastructure power lines, and through an assessment of agricultural crop volume saved by birds from rodent destruction. During the season, 65 common kestrels may die on the power lines owned by an oil and gas complex. One family of these birds (a pair of adults with chicks) consumes at least 428 rodents during the breeding season. The extermination of a large number of rodents helps to save up to half a ton of grain crops on average.
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Ryu, David, i Paul Kanyuk. "Rivers of rodents". W ACM SIGGRAPH 2007 sketches. New York, New York, USA: ACM Press, 2007. http://dx.doi.org/10.1145/1278780.1278859.

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Shimalov, V. V. "MONITORING OF HELMINTH FAUNA OF SMALL RODENTS LIVING ON THE BANKS OF MELIORATIVE CHANNELS IN MIXED FOREST OF BELORUSSIAN POLESIE". W SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2021. http://dx.doi.org/10.46646/sakh-2021-2-226-230.

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The monitoring results of the helminth fauna of small rodents living on meliorative channel banks in the mixed forests of Western Belarusian Polesie (Brest Polesie) in 2015-2016 are presented. One hundred and seventeen specimens of three rodent species are caught. 72.3 % of red-backed voles and 60.0 % of yellow-necked mice are found infected by helminths. Seventeen helminth species (2 species of trematodes, 7 species of cestodes, 8 species of nematodes) are found. Twelve species of helminths are localized in red-backed voles, and nine species of helminths in yellow-necked mice. The nematode Heligmosomum mixtum Schulz, 1954 dominates in the infestation of red-backed voles, while the cestode Skrjabinotaenia lobata (Baer, 1925) and the nematode Syphacia frederici Roman, 1945 dominates in the infestation of yellow-necked mice. Four species of helminths identified in rodents are of medical and veterinary significance.
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Rogacheva, Anastasia Konstantinovna, Gennady Nikolaevich Sidorov, Alina Vladimirovna Sverdlova i Tatiana Sergeevna Ryazanova. "THE STATE OF THE RODENT POPULATION IN THE NOVOSIBIRSK AND KEMEROVO REGIONS". W Themed collection of papers from Foreign International Scientific Conference «Modern research on the way to a new scientific revolution». Part 2. by HNRI «National development» in cooperation with AFP (Puerto Cabezas, Nicaragua). November 2023. – Varadero (Cuba). Crossref, 2024. http://dx.doi.org/10.37539/231128.2023.49.82.044.

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Field work on the accounting of the number of mouse-like rodents TOOK PLACE in July 2022 and in June 2023 for 40 days in the territories of the districts of Novosibirsk and Kemerovo. 6000 traps/days were worked out at 6 stationary sites, 175 copies were caught. mouse - like rodents of 11 species and 19 specimens. Borer Sorex sp. The red vole, along with the housekeeper vole, were everywhere dominant and subdominant in the rodent population. Lasiopodomys gregalis Pallas dominated the Kulunda steppe. The average number was found in dark, red, red-gray vole, field and small forest mouse. The baby mouse, the steppe mouse and the Barabinsky hamster were rarely taken into account. All detected species can have serious infectious and invasive significance, and are the main food source of natural distributors of the rabies virus.
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Adams, Douglas J., Svetlana Lublinsky i Mauricio Barrero. "Test Methods for Accurate and Robust Material Property Measurements of Rodent Cortical Bone". W ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192893.

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Direct measurements of cortical bone material properties are difficult to achieve in rodent long bones due to the inherently small dimensions and difficulties in machining standard test specimen geometries [1]. Bone tissue properties in nearly all rodent studies are thus limited to estimates from flexural tests of long bone diaphyses. In addition to the inaccuracies imposed by the bending stress state itself, these material property estimates are further confounded by the non-uniform geometry of long bones along the diaphyseal length. The goal of this work was to develop a series of techniques to improve the accuracy and precision of material property measurements in rodent long bones, with explicit mathematical correction for geometrical complexity and multiple measurements from individual bones. In combination, these techniques provide a pragmatic serial test routine for collecting multiple direct measurements of cortical tissue elastic modulus and strength, with a potential for improving sensitivity and statistical power in skeletal studies using rodents.
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Vagin, N. A., N. S. Malysheva i N. A. Samofalova. "INFECTION OF RODENTS AND INSECTIVORES WITH TRICHINELLA IN THE KURSK REGION". W THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. All-Russian Scientific Research Institute for Fundamental and Applied Parasitology of Animals and Plant – a branch of the Federal State Budget Scientific Institution “Federal Scientific Centre VIEV”, 2023. http://dx.doi.org/10.31016/978-5-6048555-6-0.2023.24.117-122.

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The study of the Trichinella distribution in representatives of different systematic taxa is quite relevant as it allows us to establish the role of infected animals in the functioning of the parasitic system of the causative agent of trichinellosis. Scientific works contain contradictory information on the presence of the Trichinella infection in rodents and insectivores. Many scientists publish data on the detection of Trichinella in species of these orders of mammals. There is a large number of works showing the absence of the Trichinella invasion in different species of rodents and insectivores. The purpose of our research was to study the Trichinella infection rate in rodents and insectivores in the Kursk Region. Trichinella larvae were detected by compressor trichinelloscopy and by the method of digesting muscle tissue in artificial gastric juice. Capsule-forming Trichinella (Trichinella spp.) were found in the muscles of infected animals. In total, 7 species of rodents and 5 species of insectivores were studied. The Trichinella invasion was detected in the common vole (1.8%) and in Erinaceus roumanicus (4.2%). The results obtained show that rodents and insectivores are involved in the circulation of Trichinella in the Kursk Region. We believe that representatives of these orders of animals serve as one of the sources of infection for many species of predatory mammals.
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Eodice, Michael T. "Accommodating Rodents During Extended Microgravity Missions". W International Conference On Environmental Systems. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1997. http://dx.doi.org/10.4271/972306.

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Fabian Garcia Nocetti, Demetrio, Pliar Duran Hernandez, Martin Fuentes Cruz, Martin Fuentes Cano i Adalberto Joel Duran Ortega. "Locomotor Activity Monitoring System in Rodents". W ICCBB '20: 2020 4th International Conference on Computational Biology and Bioinformatics. New York, NY, USA: ACM, 2020. http://dx.doi.org/10.1145/3449258.3449271.

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Raporty organizacyjne na temat "Rodents"

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Corscadden, Louise, i Arpaporn Sutipatanasomboon. Rodent Tagging And Identification. ConductScience, styczeń 2023. http://dx.doi.org/10.55157/cs20230109.

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Animal tagging is a means to identify and distinguish all the individual animals of interest, which applies to wildlife, farm, or laboratory animals. It involves attaching a tag to a specific animal part that contains a unique identifier for each animal. The identifier can be numbers, alphabets, or a combination of both that distinguish and track the animals throughout their lifespans. In rodents, tagging is the most popular identification approach. Typically, tags are made from metals and attached to the outer part of rodent ears, or the ear pinna. In rare circumstances, metal tags can also be attached to the rodent’s leg or tail.
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Corscadden, Louise, i Anjali Singh. Grip Strength Test In Rodents. ConductScience, styczeń 2023. http://dx.doi.org/10.55157/cs2023109.

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The grip strength test is one of the most commonly applied tests in animal laboratories to measure neuromuscular functions or disorders. It was first developed in the 1970s. Today a wide range of techniques are available to study muscle strength in rodents. These methods are categorized into two categories:[2] Invasive method: In situ and in vitro measurements of muscle force are invasive methods. Non-invasive method: This method only includes in vivo measurement tests to analyze muscle force such as treadmill tests, wire hang tests, swimming endurance, vertical pole test, and grip strength tests. The most convenient technique of all tests is the grip strength test. It’s most convenient and causes less stress to animals. The grip test has been widely used in order to investigate the phenotypes of transgenic mice with neuromuscular disease and evaluate potential compounds involved in the motor functioning of organisms. The tests have been serving the purpose for 30 years either alone or in combination with other tests.
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Balwit, Xander. Raising Welfare for Lab Rodents. Asimov Press, lipiec 2024. http://dx.doi.org/10.62211/81pu-94vt.

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Carey, Andrew B., Brian L. Biswell i Joseph W. Witt. Methods for measuring populations of arboreal rodents. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1991. http://dx.doi.org/10.2737/pnw-gtr-273.

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Korbin, John. X-ray CT Scans - Rodents - Set 1. Office of Scientific and Technical Information (OSTI), czerwiec 2021. http://dx.doi.org/10.2172/1817848.

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Korbin, John. X-ray CT Scans - Rodents - Set 2. Office of Scientific and Technical Information (OSTI), czerwiec 2021. http://dx.doi.org/10.2172/1817844.

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Korbin, John. X-ray CT Scans - Rodents - Set 3. Office of Scientific and Technical Information (OSTI), październik 2021. http://dx.doi.org/10.2172/1826456.

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Korbin, John. X-ray CT Scans - Rodents - Set 4. Office of Scientific and Technical Information (OSTI), lipiec 2022. http://dx.doi.org/10.2172/1875325.

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Korbin, John. X-ray CT Scans - Rodents - Set 5. Office of Scientific and Technical Information (OSTI), lipiec 2022. http://dx.doi.org/10.2172/1876625.

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Carey, Andrew B. The biology of arboreal rodents in Douglas-fir forests. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1991. http://dx.doi.org/10.2737/pnw-gtr-276.

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