Bibliografie tematiche / Birds Development

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Letteratura scientifica selezionata sul tema "Birds Development"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 29 gennaio 2023

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Articoli di riviste sul tema "Birds Development"

1

Yeremieiev, Volodymyr. "Development of software for the study of ornithocomplexes on the territory of wind stations using the results of observations by the route counting method". Ukrainian Journal of Educational Studies and Information Technology 8, n. 3 (30 settembre 2020): 28–48. http://dx.doi.org/10.32919/uesit.2020.03.04.

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An information system (IS) BIRDS2 has been developed for storing and analyzing data obtained by monitoring the behavior of birds on the territory of wind power plants (WPPs) using the route accounting method. The program code is compiled on the basis of Windows Forms technology in the Microsoft Visual Studio Community 2019 software development environment. The operation of the program was tested by comparing the results of monitoring bird migration on the territory of the Primorsk-1 wind farm with known literature data. The sample size of registered birds used for analysis consisted of 8927 birds, of which 802 were of the transit type, 2511 were of the forage type, and 5614 were of the nesting type. The observations were carried out by the route counting method, adapted by V. D. Siokhin and P. I. Gorlov in relation to the territory of wind parks. During the monitoring process, eight parameters were recorded: the date of observation, the time of registration, the coordinates of the registration on the Google map, the number of birds, the species of the individual, the direction of flight, the type of location on the territory of the wind farm (transit, forage, nesting), and the flight altitude. The user-friendly interface allows you to analyze the behavior of birds on the territory of the station according to all accounting characteristics. The IS makes it possible to determine the number of birds in flight over the territory of the wind park at a given time, to find the coordinates of the points of intersection of the bird's flight path with the boundaries of the wind farm, to calculate the length of the bird's flight path over the area occupied by the wind park.
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Hasib, Abdullah, Risaldi Muhamad, Talita Yuanda Reksa, Alvina Ulimaz Artha e Erma Safitri. "Utilization of Sumbawa Tropical Forest Honey Apis Dorsata to Improve Fertility of Indonesia Oriental Magpie Robin (Copsychus saularis) as Effort Animal Population Increasement". KnE Life Sciences 3, n. 6 (3 dicembre 2017): 619. http://dx.doi.org/10.18502/kls.v3i6.1190.

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The objective of this experiment is to observe the effect of forest honey produced by giant bees Apis dorsata on improving fertility and egg number of the bird. The bird which observed in this experiment is captive bird Oriental Magpie Robin (Copsychus saularis). Twelve paired captive bird in official captivity were transferred into new pairing cage and adapted along two weeks. Every bird was fed with crickets and normal ration mixed with low protein diet (LP) with 16% of crude protein gradually. After an adaptation period, twelve paired captive bird were divided into three groups T1, T2 and T3. Birds were treatened with honey solution 5%, 10% and 15% concentration series in 1 ml aquadest intraabdominal of 10 crickets and fed with 15 crickets and 20 gram low protein ration (16%) per day for two laying periods. Egg production each group were calculated and observed its fertility among all egg production in one parental. In accordance with that, the results were analyzed descriptively. This pre-treatment, the bird’s mating behaviour becomes a week faster than the normal period. Bird’s fertility is also increasing with the provision of honey in the bird nutrition. In the bird’s pairs in cage’s number 9 and 10 have shown development by producing 3 fertile eggs after being treated with honey. In the previous period showed from 3 eggs only 1 being fertile. Honey has not been able to increase the number of eggs produced by birds. However, there is an enhancement in the animal population up to 25% of the 12 pairs of birds that are used as experimental samples in the captivity. The conclusion of this study shows that honey can accelerate the mating behaviour of birds and can increase the fertility of birds' eggs. However, honey has not yet affected the increase the quantity of the birds' egg. Longer observation’s duration with extra bird’s sample is needed for future research, in order to see the reproduction cycle of birds over several periods. Field research related to nutrition in chemistry nutrition’s fields related the active ingredient in honey that can affect the reproduction system is also important to conducted for further research. Keywords: Oriental Magpie Robin; Eggs Production; Fertility; Mating Behaviour; Honey
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3

Ruaux, Geoffrey, Sophie Lumineau e Emmanuel de Margerie. "The development of flight behaviours in birds". Proceedings of the Royal Society B: Biological Sciences 287, n. 1929 (24 giugno 2020): 20200668. http://dx.doi.org/10.1098/rspb.2020.0668.

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Flight is a unique adaptation at the core of many behaviours in most bird species, whether it be foraging, migration or breeding. Birds have developed a wide diversity of flight modes (e.g. flapping, gliding, soaring, hovering) which involves very specialized behaviours. A key issue when studying flight behaviours is to understand how they develop through all the ontogenetic stages of birds, from the embryo to the flying adult. This question typically involves classical debates on animal behaviour about the importance of maturation and experience. Here, we review the literature available on the development of flight behaviours in birds. First, we focus on the early period when young birds are not yet capable of flight. We discuss examples and show how endogenous processes (e.g. wing flapping in the nest, flight development timing) and environmental factors (e.g. maternal stress, nutritional stress) can influence the development of flight behaviours. Then, we review several examples showing the different processes involved in the development of flight in flight-capable juveniles (e.g. practice, trial and error learning, social learning). Despite the lack of experimental studies investigating this specific question at different developmental stages, we show that several patterns can be identified, and we anticipate that the development of new tracking techniques will allow us to study this question more thoroughly in more bird species.
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Kosciuch, Karl, Daniel Riser-Espinoza, Cyrus Moqtaderi e Wallace Erickson. "Aquatic Habitat Bird Occurrences at Photovoltaic Solar Energy Development in Southern California, USA". Diversity 13, n. 11 (23 ottobre 2021): 524. http://dx.doi.org/10.3390/d13110524.

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The development of photovoltaic (PV) utility-scale solar energy (USSE) in the desert Southwest has the potential to negatively affect birds through collision mortality. Based on early patterns in fatality monitoring data, the lake effect hypothesis (LEH) was developed and suggested that birds misinterpret PV solar panels for water. As the LEH was only recently defined and inference beyond bird mortality is limited, our research objective was to examine the species composition, abundance, and distribution of live and dead aquatic habitat birds at five PV solar facilities and paired reference areas in southern California. Further, we collected data from a small regional lake as an indicator of the potential aquatic habitat bird community that could occur at our study sites. Using an ordination analysis, we found the lake grouped away from the other study sites. Although the bird community (live and dead) at the solar facilities contained aquatic habitat species, Chao’s diversity was higher, and standardized use was more than an order of magnitude higher at the lake. Finally, we did not observe aquatic habitat bird fatalities in the desert/scrub and grassland reference areas. Thus, the idea of a “lake effect” in which aquatic habitat birds perceive a PV USSE facility as a waterbody and are broadly attracted is likely a nuanced process as a PV solar facility is unlikely to provide a signal of a lake to all aquatic habitat birds at all times.
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Ito, Ayaka, Seiichi Serikawa e Yuhki Kitazono. "Development of Countermeasure System of Harmful Birds in Veranda". Journal of the Institute of Industrial Applications Engineers 4, n. 2 (25 aprile 2016): 61–65. http://dx.doi.org/10.12792/jiiae.4.61.

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Leupen, Boyd T. C. "A Brief Overview of the Online Bird Trade in Vietnam". Asian Journal of Conservation Biology 11, n. 2 (2022): 176–88. http://dx.doi.org/10.53562/ajcb.71823.

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Unsustainable commercial exploitation poses a serious threat to many of Vietnam’s native bird species. Here we report on a survey of the country’s online bird trade, conducted across four major online platforms. Between 9 March and 3 April 2020, a total of 434 posts were recorded, accounting for 834 individuals of at least 50 species, ten of which have not been recorded in Vietnamese trade before. Ninety-two percent of the recorded species were native to Vietnam and 18% (n=9) of the species, accounting for 15% (n=115) of the recorded individuals, are protected under Vietnamese law. Recorded prices ranged between VND16,667 (~US$0.7) and VND7 million (~US$303), depending on the species and on a bird’s specific singing qualities. The highest trade numbers were found on Chợ Tốt (186 posts, 335 birds), followed by Facebook (161 posts, 325 birds), Chợ Vinh (82 posts, 169 birds) and Chim Cảnh Đất Việt (5 posts, 5 birds). The scale of the observed trade appears to confirm a partial shift towards online platforms in Vietnam’s bird trade, or at least an increase in the use of online platforms to trade wild birds. In anticipation of a further development of this trend, we urge the Government of Vietnam to improve regulations and to take greater enforcement action against illegal online trading practices.
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LEESON, S., R. J. ETCHES e J. D. SUMMERS. "DEVELOPMENT OF LEGHORN PULLETS SUBJECTED TO EARLY LIGHT STIMULATION". Canadian Journal of Animal Science 68, n. 4 (1 dicembre 1988): 1267–75. http://dx.doi.org/10.4141/cjas88-142.

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Leghorn pullets of a commercial strain were reared in cages maintained in rooms providing either 8 or 14 h d−1 light. At 92 d, 12 birds identified as light (L) or heavy (H) weight from within each room were blood sampled for assay of plasma luteinizing hormone (LH). Subsequent samples were taken at 3- or 4-d intervals to 120 d of age. Another group of 12 L and 12 H birds were blood sampled at 92 d from within the 8 h light environment. These birds were again blood sampled at 99 d and then moved to laying cages and photostimulated with 14 h light per day. Birds were blood sampled for LH assay after 3 d and 7 d and then at 7-d intervals to 140 d of age. This general procedure was repeated with birds photostimulated at 102, 106, 109, 113, 116, 120, 123, 127 and 130 d of age. Thus, 10 groups of heavy birds and 10 groups of light birds were blood sampled prior to, at time of, and subsequent to light stimulation. Mean LH values for birds maintained on 18 h light throughout rearing were 1.5–2.0 ng mL−1 whereas with 14 h light throughout rearing values of 1.5–2.5 ng mL−1 were observed. Photostimulation had the same general effect on plasma LH regardless of body weight or bird age. After 3 or 4 d light stimulation there was a dramatic increase of some 100% in LH levels. Earlier photostimulation resulted in earlier age at 1st egg. For light weight birds, maturity was linearly advanced by 0.44 d for each day advance in photostimulation; a quadratic response was seen with heavy birds. Although photostimulation caused almost immediate changes in LH (P < 0.05) age at first egg lagged by some considerable time. These data do not indicate an absolute physiological (chronological) time limit for early sexual maturity, although it is likely close to 100 d of age. Key words: Pullet, luteinizing hormone, sexual maturity
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Mel’nikov, Yu I. "Modern climate warming, dynamics and development of new plots of bird areas as population adaptation to anthropogenic landscapes of Eastern Siberia". IOP Conference Series: Earth and Environmental Science 1010, n. 1 (1 aprile 2022): 012136. http://dx.doi.org/10.1088/1755-1315/1010/1/012136.

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Abstract The article discusses the features of the formation of new plots of the areas for birds in the anthropogenic landscapes of Eastern Siberia under the conditions of modern climate warming. It is emphasized that at the initial stages of this process, the warming was not intense and hardly noticeable (the beginning of the 19th - the first half of the 20th centuries). However, already at that time there was a clear trend towards the expansion of bird areas to the north and east. This process has progressed as the trend towards climate warming intensifies. In the second half of the 20th century, some typically western bird species reached Eastern Siberia. At the same time, extensive and prolonged droughts in the east of Central Asia caused a strong counter flow of dispersing birds to the west and north. In a number of bird species, mixing of the streams of dispersing birds was observed, and often these were closely related species. This indicates the formation of gaps in their once common areas that arose during periods of sharp cooling in previous climatic epoch. In the middle of the 20th century, the anthropogenic development of Eastern Siberia was very high. This facilitated the movement of birds of open landscapes far north. This fact is also emphasized by the oncoming flows of birds settling to the east and west as a result of severe and prolonged droughts in Central Asia. The birds of these streams crossed the Baikal rift zone (the northeastern zoogeographic boundary) and went far to the north - to the Central Yakut lowland and the tundra zone. The data obtained show that the development of new territories by birds and the expansion of their areas is associated with intense climate warming. The development of the territory by man only contributed to the movement of birds to new regions, due to the formation of more suitable habitats for birds (open and mosaic landscapes). Consequently, the intensification of climate warming, coinciding with the expansion of bird areas to the north, indicates that it was warming, and not intensive development of the territory by humans, that played the leading role in this process. The entire process currently observed is the adaptation of birds to the dynamic conditions of the new climatic period.
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Wang, Lin, Jing Hai Zhu e Zhong Qiang Ma. "Effects of Beipiao Wind Power Development Planning on Local Birds Ecosystem". Applied Mechanics and Materials 214 (novembre 2012): 445–50. http://dx.doi.org/10.4028/www.scientific.net/amm.214.445.

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Liaoning Beipiao is located in "Three north" wind zone which is one of the regions rich in wind energy resources in China. The area is windy throughout the year suitable for wind energy development and utilization. For the next 12 years, Beipiao government plans to construct 16 key wind energy resource development areas. However, the planning wind farms are located in Liaoxi Corridor for birds migrating must pass by. The wind farm may generate adverse effects to migratory bird ecology in Beipiao. The basic characteristic of bird ecological system in Beipiao area is introduced in the paper. The adverse effects of wind farm on birds and answer measures are discussed as well.
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Aslam, M. Faisal Raza, Azhar Rafique e M. Luqman. "Diversity and Distribution of Avian Fauna in Relation to Urban Landscape in Faisalabad City, Pakistan (a review)". Journal of Global Innovations in Agricultural Sciences 10, n. 2 (27 giugno 2022): 86–94. http://dx.doi.org/10.22194/jgias/10.991.

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Urbanization affected the birds; by establishing the urban areas, plantations had to be cut, which played an essential role in decreasing the diversity of birds. The bird’s species, including the migratory population, is a crucial bioindicator of the ecosystem that plays an important role in various natural phenomena, including the multiple variations in the various species of plants. The avian fauna is mainly affected by global change, roadways, noise pollution, urbanization, deforestation, risky human behaviors, climate change, and absurd land use. This study is based on a survey of peer-reviewed papers that summarize the effect of development, urbanization, urban areas, and climate change on the diversity of birds and migration according to their ecosystems. As a result, increasing population demands more urbanization and deforestation, but as a comparison, we need to establish effective strategies that can help avian fauna in urban areas and provide suitable conditions for the bird species.
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Tesi sul tema "Birds Development"

1

Barch, Brian T. "The annual midwest crane count : development of a program plan /". Link to full-text, 2006. http://epapers.uwsp.edu/thesis/2006/barch.pdf.

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Bulin, Brad A. "Avian diversity in relation to lakeshore development in Portage County, Wisconsin /". Link to abstract, 2005. http://epapers.uwsp.edu/abstracts/2005/Bulin.pdf.

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Addison, BriAnne Ashley. "Maternally derived antibodies in avian eggs and offspring ecology, life history, and development /". Diss., St. Louis, Mo. : University of Missouri--St. Louis, 2009. http://etd.umsl.edu/r3961.

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Maia, Villar de Queiroz Rafael. "The Development and Evolution of Iridescent Colors in Birds". University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1407503755.

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Russ, Melissa. "An investigation of the effects [of] locust-control pesticides, Fenitrothion and Fipronil, on avian development using an 'in ovo' model". Access electronically, 2005. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20060712.122711/index.html.

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Sirsat, Tushar S. "The Role of Thyroid Hormone across Avian Development Spectrum: Investigations on Systemic Development, Metabolism and Ontogeny of Endothermy". Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1011746/.

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Achievement of endothernic capacity is vital for independence from ambient temperature changes, sustained activity, optimal biochemical reactions and optimization of parental care. During early avian development, the core tenets of transition from ectothermy to endothermy are development of metabolic capacity (oxygen consumption, mitochondrial bioenergetics), enhanced cardiovascular function (heart rate and cardiac output), pulmonary ventilation and thermogenic capacity. Thyroid hormones, particularly T3, are key metabolic regulators of basal metabolism, thermogenesis, pulmonary ventilation and mitochondrial respiration. Thyroid hormone fluctuation patterns during both precocial and altricial avian endothermic transition suggest a prominent role in maturation of endothermy, cardiovascular, respiratory and skeletal muscle physiology. This body of work explores effects of T3 manipulations in two avian species: the precocial Pekin duck and the altricial Red-winged Blackbird. Increased plasma T3 during late incubation resulted in increased cardiac mass, elevated resting and intrinsic heart rate, intrinsic mean arterial pressure, increased cholinergic tone and blunted alpha-adrenergic tone in the precocial Pekin duck. In both Pekin duck and Red-winged blackbird, plasma T3 levels correlated with changes in the trajectory of endothermic ontogeny, systemic oxygen consumption, thermogenesis, maturation of pulmonary ventilatory function, altered growth and effects on skeletal and cardiac mitochondrial bioenergetics. These observations support the role of thyroid hormones as metabolic and developmental regulators at the time of attainment of endothermy during the perinatal period in precocial and altricial avian species. Insights into the role of thyroid hormone as a metabolic and development regulator at the time of avian endothermic attainment provide a more thorough understanding of metabolic and physical transitions a hatchling bird must undergo to reach the adult endothermic phenotype. Such insights also deepen understanding of the complex role thyroid hormones play in homeostasis and offer implications about the evolutionary history of endothermic capacity.
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Marjoniemi, K. (Kyösti). "Thermogenic mechanisms during the development of endothermy in juvenile birds". Doctoral thesis, University of Oulu, 2001. http://urn.fi/urn:isbn:9514265424.

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Abstract The use of regulatory and obligatory heat production mechanisms were studied in juvenile birds during the development of endothermy. The development of shivering thermogenesis was studied in the pectoral and gastrocnemius muscles of the altricial domestic pigeon and in three precocial galliforms (Japanese quail, grey partridge and domestic fowl). The development of shivering was the determinant for the beginning of endothermy. Homeothermy also necessitated avoidance of excess heat loss by insulation and behavioural thermoregulation. In the precocial species, shivering thermogenesis was present in the leg muscles of the youngest age groups (1-2 d) studied. Breast muscles contributed shivering from the second post-hatching week. In the altricial pigeons, significant thermogenesis was apparent later than in the precocials, at the age of 6 d. In contrast to the precocials, the pectoral muscles of the altricials were the most significant heat production tissues. In newly-hatched partridges and pigeons, incipient shivering did not result in significant heat production. The ability to produce heat in cold by putative nonshivering thermogenesis was studied in Japanese quail chicks and domestic ducklings. In both species, three-week cold acclimation resulted in morphometric and physiological changes, but there was no clear evidence of nonshivering thermogenesis. The lack of NST was evident because an increase in shivering amplitude at least in one of the muscles studied paralleled an increase in oxygen consumption. Consequently, shivering thermogenesis was probably the only mode of regulatory heat production. The amplitudes of shivering EMGs measured during cold exposure were dependent on the coexistence of postprandial thermogenesis or exercise. Japanese quail chicks were able to substitute shivering thermogenesis partially with postprandial heat production when nourished. Bipedal exercise both inhibited shivering in pectorals directly via inhibitory neural circuits and stimulated it indirectly via decreased body temperature. Because of increased heat loss, exercise was not used as a substitute for shivering. Shivering is a flexible mode of thermogenesis and its magnitude can be adjusted according to the magnitude of obligatory thermogenesis. The adjustment works towards energy saving by avoidance of the summation of different modes of heat production. The prerequisite for successful adjustment of shivering is adequate insulation, whose role in preventing excessive heat loss is pronounced during exercise. It is concluded that the energetics of posthatching thermoregulation includes the potential for optimizations in energy use in order to avoid dissipation of waste energy as heat.
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Serrano, Meneses Martin Alejandro. "Sexual size dimorphism in damselflies, dragonflies and birds : function and development". Thesis, University of Bath, 2006. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434068.

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Allen, Vivian Richard. "The evolution of avian hindlimb conformation and locomotor function". Thesis, Royal Veterinary College (University of London), 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.559019.

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Pearson, James Todd. "A comparative study of the energetics of avian reproduction /". Title page, summary and table of contents only, 1994. http://web4.library.adelaide.edu.au/theses/09PH/09php361.pdf.

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Libri sul tema "Birds Development"

1

García, Eulalia. Baby birds: Growing and flying. Milwaukee: Gareth Stevens, 1997.

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2

Birds, Royal Society for the Protection of. Port development & nature conservation: Saving the birds - saving the future. Sandy, Beds: RSPB, 1997.

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The development of the chondrocranium of Gallus gallus. Berlin: Springer-Verlag, 1989.

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4

Horne, Beatrice Van. Forest bird habitat suitability models and the development of general habitat models. Washington, D.C: U.S. Dept. of the Interior, Fish and Wildlife Service, 1991.

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Horne, Beatrice Van. Forest bird habitat suitability models and the development of general habitat models. Washington, D.C: U.S. Dept. of the Interior, Fish and Wildlife Service, 1991.

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Horne, Beatrice Van. Forest bird habitat suitability models and the development of general habitat models. Washington, D.C: U.S. Dept. of the Interior, Fish and Wildlife Service, 1991.

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7

World Wide Fund for Nature Indonesia e WWF Netherlands, a cura di. Land of the birds of paradise: Nature conservation and sustainable development in tanah Papua. [Jakarta]: WWF Indonesia and WWF Netherlands, 2012.

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Cappellino, Steven H. Fertility, hatchability and embryonic development in northern Bobwhite quail (Colinus Virginianus). Bellingham, Wash: Huxley College of Environmental Studies, Western Washington University, 1989.

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Engel, Beverly. Beyond the birds and the bees: Fostering your child's healthy sexual development. New York: Pocket Books, 1997.

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James, Metcalfe, Stock Michael K, Ingermann Rolf L e International Congress of Physiological Sciences (30th : 1986 : Pearson College), a cura di. Development of the avian embryo: International Union of Physiological Sciences satellite symposium, Lester B. Pearson College of the Pacific, Victoria, British Columbia, Canada, July 19-22, 1986. New York: A.R. Liss, 1987.

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Capitoli di libri sul tema "Birds Development"

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Rodrigues, Tania, Laurent Brodier e Jean-Marc Matter. "Investigating Neurogenesis in Birds". In Retinal Development, 1–18. New York, NY: Springer US, 2019. http://dx.doi.org/10.1007/978-1-0716-0175-4_1.

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Aitchison, Jean. "Good Birds, Better Birds and Amazing Birds: The Development of Prototypes". In Vocabulary and Applied Linguistics, 71–84. London: Palgrave Macmillan UK, 1992. http://dx.doi.org/10.1007/978-1-349-12396-4_7.

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Hall, Brian K. "Reptiles and Birds". In The Neural Crest in Development and Evolution, 89–100. New York, NY: Springer New York, 1999. http://dx.doi.org/10.1007/978-1-4757-3064-7_7.

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Guerrero-Bosagna, Carlos, John Lees, Daniel Núñez-León e João F. Botelho. "Epigenetics, Evolution and Development of Birds". In Epigenetics, Development, Ecology and Evolution, 149–76. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-13771-6_6.

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Mannan, R. William. "Exurban Land Development and Breeding Birds". In The Planner¿s Guide to Natural Resource Conservation:, 103–15. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-98167-3_6.

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Ginsburg, Mika. "Primordial Germ Cell Formation in Birds". In Ciba Foundation Symposium 182 - Germline Development, 52–67. Chichester, UK: John Wiley & Sons, Ltd., 2007. http://dx.doi.org/10.1002/9780470514573.ch4.

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Fredrickson, T. N. "Spread and Metastasis of Tumors in Birds". In Comparative Aspects of Tumor Development, 85–86. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1091-1_12.

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ten Donkelaar, H. J. "Development of Descending Supraspinal Pathways in Birds". In Advances in Anatomy Embryology and Cell Biology, 55–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-57125-1_6.

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Broom, Donald M. "Learning, cognition and behaviour development." In Broom and Fraser’s domestic animal behaviour and welfare, 43–58. 6a ed. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789249835.0004.

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Rissland, Edwina L. "Black Swans, Gray Cygnets and Other Rare Birds". In Case-Based Reasoning Research and Development, 6–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02998-1_2.

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Atti di convegni sul tema "Birds Development"

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Nakajima, Isao, Toshihiko Kitano, Kaoru Nakada, Jun-Ichi Hata e Masuhisa Ta. "Development of subcutaneous implantation coil for birds". In 2014 IEEE 16th International Conference on e-Health Networking, Applications and Services (Healthcom 2014). IEEE, 2014. http://dx.doi.org/10.1109/healthcom.2014.7001849.

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Seah, Boon-Siew, Aixin Sun e Sourav S Bhowmick. "Killing Two Birds With One Stone". In SIGIR '18: The 41st International ACM SIGIR conference on research and development in Information Retrieval. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3209978.3210095.

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Wang, Liaofeng, Lifang Yang, Mengmeng Li, Zhongliang Yang e Zhigang Shang. "Development of wearable miniature neural signal recording system for birds". In 2020 Chinese Automation Congress (CAC). IEEE, 2020. http://dx.doi.org/10.1109/cac51589.2020.9326498.

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Shafer, Michael W., Robert MacCurdy e Ephrahim Garcia. "Testing of Vibrational Energy Harvesting on Flying Birds". In ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/smasis2013-3063.

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Discrete animal-mounted sensors and tags have a wide range of potential applications for researching wild animals and their environments. The devices could be used to monitor location, metabolic output, or used as environmental monitoring sentinels. These applications are made possible by recent decreases in the size, mass, and power consumption of modern microelectronics. Despite these performance increases, for extended deployments these systems need to generate power in-situ. In this work, we explore a device that was recently deployed to test the concept of vibrational piezoelectric energy harvesting on flying birds. We explain the development of the device and introduce test results conducted on flying pigeons (Columba livia). The 12 g testing device consisted of a miniature data acquisition system and a piezoelectric energy harvester. The system recorded both the harvested power and the in-flight accelerations of the bird. The energy harvester included a wireless receiver, battery and linear servo. By remotely actuating the linear servo, we were able to arrest the energy harvester for portions of the flight. In doing so, we will be able to compare flight accelerations of a bird with a simple proof mass and with a dynamic mass without having to stop the flight of the bird. The comparison of these two cases allows for the assessment of the feasibility of employing vibrational energy harvesting on a flying bird. We present the initial results of this testing with regard to the harvested power and the in-flight acceleration profiles.
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Nasution, Fatimatuzzahra, Robert Sibarani, Gustianingsih e Khairina Nasution. "Performance of Cosaccos in "Birding Birds on Rice Plants": Study of Arab Oral Tradition". In International Conference on Natural Resources and Sustainable Development. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0009899000002480.

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Poon, W. K., C. J. Wong, K. Abdullah, E. S. Lim e C. K. Teo. "Development of Migratory Birds Population Monitoring System Using Digital Single Reflex Camera". In 2011 Eighth International Conference on Computer Graphics, Imaging and Visualization (CGIV). IEEE, 2011. http://dx.doi.org/10.1109/cgiv.2011.16.

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Taku Yokoyama, Kazuo Tanaka e Hiroshi Ohtake. "Development of a variable-wing mechanism based on flapping motion of birds". In SICE 2008 - 47th Annual Conference of the Society of Instrument and Control Engineers of Japan. IEEE, 2008. http://dx.doi.org/10.1109/sice.2008.4654643.

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Malovichko, Lyubov V., e Elena A. Artemieva. "ENCOUNTERS OF THE WHITE WAGTALE AND THE FOREST PIT WITH VARIOUS ANOMALIES IN ANTHROPOGENIC LANDSCAPES". In 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/10.33065/978-5-907216-88-4-2022-57-58.

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The paper presents finds of birds with anomalies in the development of the beak, legs, tail, which were made in various anthropogenic landscapes. Trends in the appearance of anomalies in birds with various disorders in postnatal ontogenesis are predicted.
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Makondo, Wellington, Kudzanayi Chiteka, Gladman Jekese, Larry Chikukura e Weston Govere. "Mamdani Inference Technique for prediction of egg hatching parameters of different species of birds". In EAI International Conference for Research, Innovation and Development for Africa. EAI, 2018. http://dx.doi.org/10.4108/eai.20-6-2017.2270709.

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Okeke, Michael, e Andrew Blyth. "Emulating the distributed detection approach in flocks of birds for securing SCADA systems". In 2017 IEEE 3rd International Conference on Electro-Technology for National Development (NIGERCON). IEEE, 2017. http://dx.doi.org/10.1109/nigercon.2017.8281926.

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Rapporti di organizzazioni sul tema "Birds Development"

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McCowan, Brenda, e Ann Bowles. Development of Bioacoustic Tools for Long-Term,Non-invasive Monitoring of Threatened and Endangered Birds. Fort Belvoir, VA: Defense Technical Information Center, luglio 2006. http://dx.doi.org/10.21236/ada476162.

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Walles, Brenda, Emiel Brummelhuis, Jesse van der Pool, Lauren Wiesebron e Tom Ysebaert. Development of benthos and birds in an intertidal area created for coastal defence (Scheldt estuary, the Netherlands). Yerseke: Wageningen Marine Research, 2019. http://dx.doi.org/10.18174/475792.

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Gaines, Roger, Stephen Sanborn, William McAnally e Christopher Wallen. Mississippi River Adaptive Hydraulics model development and evaluation, Commerce to New Madrid, Missouri, Reach. Engineer Research and Development Center (U.S.), gennaio 2020. http://dx.doi.org/10.21079/11681/39519.

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A numerical, two-dimensional hydrodynamic model of the Mississippi River, from Thebes, IL, to Tiptonville, TN (128 miles/206 km), was developed using the Adaptive Hydraulics model. The study objective assessed current patterns and flow distributions and their possible impacts on navigation due to Birds Point New Madrid Floodway (BPNMF) operations and the Len Small (LS) levee break. The model was calibrated to stage, discharge, and velocity data for the 2011, 2015–2016, and 2017 floods. The calibrated model was used to run four scenarios, with the BPNMF and the LS breach alternately active/open and inactive/closed. Effects from the LS breach being open are increased river velocities upstream of the breach, decreased velocities from the breach to Thompson Landing, no effects on velocity below the confluence, and cross-current velocities greater than 3.28 ft/s (1.0 m/s) within 1186.8 ft (60 m) of the bankline revetment. Effects from BPNMF operation are increased river velocities above the confluence, decreased velocities from the BPNMF upper inflow crevasse (Upper Fuseplug) to New Madrid, cross-current velocities greater than 1.5 ft/s (0.5 m/s) only near the right bank where flow re-enters the river from the BPNMF lower inflow/outflow crevasse Number 2 (Lower Fuseplug) and St. Johns Bayou.
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Wideman, Jr., Robert F., Nicholas B. Anthony, Avigdor Cahaner, Alan Shlosberg, Michel Bellaiche e William B. Roush. Integrated Approach to Evaluating Inherited Predictors of Resistance to Pulmonary Hypertension Syndrome (Ascites) in Fast Growing Broiler Chickens. United States Department of Agriculture, dicembre 2000. http://dx.doi.org/10.32747/2000.7575287.bard.

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Background PHS (pulmonary hypertension syndrome, ascites syndrome) is a serious cause of loss in the broiler industry, and is a prime example of an undesirable side effect of successful genetic development that may be deleteriously manifested by factors in the environment of growing broilers. Basically, continuous and pinpointed selection for rapid growth in broilers has led to higher oxygen demand and consequently to more frequent manifestation of an inherent potential cardiopulmonary incapability to sufficiently oxygenate the arterial blood. The multifaceted causes and modifiers of PHS make research into finding solutions to the syndrome a complex and multi threaded challenge. This research used several directions to better understand the development of PHS and to probe possible means of achieving a goal of monitoring and increasing resistance to the syndrome. Research Objectives (1) To evaluate the growth dynamics of individuals within breeding stocks and their correlation with individual susceptibility or resistance to PHS; (2) To compile data on diagnostic indices found in this work to be predictive for PHS, during exposure to experimental protocols known to trigger PHS; (3) To conduct detailed physiological evaluations of cardiopulmonary function in broilers; (4) To compile data on growth dynamics and other diagnostic indices in existing lines selected for susceptibility or resistance to PHS; (5) To integrate growth dynamics and other diagnostic data within appropriate statistical procedures to provide geneticists with predictive indices that characterize resistance or susceptibility to PHS. Revisions In the first year, the US team acquired the costly Peckode weigh platform / individual bird I.D. system that was to provide the continuous (several times each day), automated weighing of birds, for a comprehensive monitoring of growth dynamics. However, data generated were found to be inaccurate and irreproducible, so making its use implausible. Henceforth, weighing was manual, this highly labor intensive work precluding some of the original objectives of using such a strategy of growth dynamics in selection procedures involving thousands of birds. Major conclusions, solutions, achievements 1. Healthy broilers were found to have greater oscillations in growth velocity and acceleration than PHS susceptible birds. This proved the scientific validity of our original hypothesis that such differences occur. 2. Growth rate in the first week is higher in PHS-susceptible than in PHS-resistant chicks. Artificial neural network accurately distinguished differences between the two groups based on growth patterns in this period. 3. In the US, the unilateral pulmonary occlusion technique was used in collaboration with a major broiler breeding company to create a commercial broiler line that is highly resistant to PHS induced by fast growth and low ambient temperatures. 4. In Israel, lines were obtained by genetic selection on PHS mortality after cold exposure in a dam-line population comprising of 85 sire families. The wide range of PHS incidence per family (0-50%), high heritability (about 0.6), and the results in cold challenged progeny, suggested a highly effective and relatively easy means for selection for PHS resistance 5. The best minimally-invasive diagnostic indices for prediction of PHS resistance were found to be oximetry, hematocrit values, heart rate and electrocardiographic (ECG) lead II waves. Some differences in results were found between the US and Israeli teams, probably reflecting genetic differences in the broiler strains used in the two countries. For instance the US team found the S wave amplitude to predict PHS susceptibility well, whereas the Israeli team found the P wave amplitude to be a better valid predictor. 6. Comprehensive physiological studies further increased knowledge on the development of PHS cardiopulmonary characteristics of pre-ascitic birds, pulmonary arterial wedge pressures, hypotension/kidney response, pulmonary hemodynamic responses to vasoactive mediators were all examined in depth. Implications, scientific and agricultural Substantial progress has been made in understanding the genetic and environmental factors involved in PHS, and their interaction. The two teams each successfully developed different selection programs, by surgical means and by divergent selection under cold challenge. Monitoring of the progress and success of the programs was done be using the in-depth estimations that this research engendered on the reliability and value of non-invasive predictive parameters. These findings helped corroborate the validity of practical means to improve PHT resistance by research-based programs of selection.
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Phinney, David D., Stephen B. Mathews e Todd N. Pearsons. Development of a Bird Predation Index, 1997-1998 Annual Report. Office of Scientific and Technical Information (OSTI), febbraio 2000. http://dx.doi.org/10.2172/773352.

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Yahav, Shlomo, John Brake e Noam Meiri. Development of Strategic Pre-Natal Cycling Thermal Treatments to Improve Livability and Productivity of Heavy Broilers. United States Department of Agriculture, dicembre 2013. http://dx.doi.org/10.32747/2013.7593395.bard.

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The necessity to improve broiler thermotolerance and live performance led to the following hypothesis: Appropriate comprehensive incubation treatments that include significant temperature management changes will promote angiogenesis and will improve acquisition of thermotolerance and carcass quality of heavy broilers through epigenetic adaptation. It was based on the following questions: 1. Can TM during embryogenesis of broilers induce a longer-lasting thermoregulatory memory (up to marketing age of 10 wk) that will improve acquisition of thermotolerance as well as increased breast meat yield in heavy broilers? 2. The improved sensible heat loss (SHL) suggests an improved peripheral vasodilation process. Does elevated temperature during incubation affect vasculogenesis and angiogenesis processes in the chick embryo? Will such create subsequent advantages for heavy broilers coping with adverse hot conditions? 3. What are the changes that occur in the PO/AH that induce the changes in the threshold response for heat production/heat loss based on the concept of epigenetic temperature adaptation? The original objectives of this study were as follow: a. to assess the improvement of thermotolerance efficiency and carcass quality of heavy broilers (~4 kg); b. toimproveperipheral vascularization and angiogenesis that improve sensible heat loss (SHL); c. to study the changes in the PO/AH thermoregulatory response for heat production/losscaused by modulating incubation temperature. To reach the goals: a. the effect of TM on performance and thermotolerance of broilers reared to 10 wk of age was studied. b. the effect of preincubation heating with an elevated temperature during the 1ˢᵗ 3 to 5 d of incubation in the presence of modified fresh air flow coupled with changes in turning frequency was elucidated; c.the effect of elevated temperature on vasculogenesis and angiogenesis was determined using in ovo and whole embryo chick culture as well as HIF-1α VEGF-α2 VEGF-R, FGF-2, and Gelatinase A (MMP2) gene expression. The effects on peripheral blood system of post-hatch chicks was determined with an infrared thermal imaging technique; c. the expression of BDNF was determined during the development of the thermal control set-point in the preoptic anterior hypothalamus (PO/AH). Background to the topic: Rapid growth rate has presented broiler chickens with seriousdifficulties when called upon to efficiently thermoregulate in hot environmental conditions. Being homeotherms, birds are able to maintain their body temperature (Tb) within a narrow range. An increase in Tb above the regulated range, as a result of exposure to environmental conditions and/or excessive metabolic heat production that often characterize broiler chickens, may lead to a potentially lethal cascade of irreversible thermoregulatory events. Exposure to temperature fluctuations during the perinatal period has been shown to lead to epigenetic temperature adaptation. The mechanism for this adaptation was based on the assumption that environmental factors, especially ambient temperature, have a strong influence on the determination of the “set-point” for physiological control systems during “critical developmental phases.” Recently, Piestunet al. (2008) demonstrated for the first time that TM (an elevated incubation temperature of 39.5°C for 12 h/d from E7 to E16) during the development/maturation of the hypothalamic-hypophyseal-thyroid axis (thermoregulation) and the hypothalamic-hypophyseal-adrenal axis (stress) significantly improved the thermotolerance and performance of broilers at 35 d of age. These phenomena raised two questions that were addressed in this project: 1. was it possible to detect changes leading to the determination of the “set point”; 2. Did TM have a similar long lasting effect (up to 70 d of age)? 3. Did other TM combinations (pre-heating and heating during the 1ˢᵗ 3 to 5 d of incubation) coupled with changes in turning frequency have any performance effect? The improved thermotolerance resulted mainly from an efficient capacity to reduce heat production and the level of stress that coincided with an increase in SHL (Piestunet al., 2008; 2009). The increase in SHL (Piestunet al., 2009) suggested an additional positive effect of TM on vasculogenesis and angiogensis. 4. In order to sustain or even improve broiler performance, TM during the period of the chorioallantoic membrane development was thought to increase vasculogenesis and angiogenesis providing better vasodilatation and by that SHL post-hatch.
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Perk, Simon, Egbert Mundt, Alexander Panshin, Irit Davidson, Irina Shkoda, Ameera AlTori e Maricarmen Garcia. Characterization and Control Strategies of Low Pathogenic Avian Influenza Virus H9N2. United States Department of Agriculture, novembre 2012. http://dx.doi.org/10.32747/2012.7697117.bard.

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The avian influenza virus, subtype H9N2 subtype, defined as having a low pathogenicity, causes extensive economical losses in commercial flocks, probably due to management and synergism with other pathogens. AIV H9N2 was first identified in Israel in the year 2000, and since then it became endemic and widespread in Israel. Control by vaccination of commercial flocks with an inactivated vaccine has been introduced since 2007. In face of the continuous H9N2 outbreaks, and the application of the vaccination policy, we aimed in the present study to provide a method of differentiating naturally infected from vaccinated animals (DIVA). The aim of the assay would be detect only antibodies created by a de-novo infection, since the inactivated vaccine virus is not reproducing, and might provide a simple tool for mass detection of novel infections of commercial flocks. To fulfill the overall aim, the project was designed to include four operational objectives: 1. Evaluation of the genetic evolution of AIV in Israel; 2. Assessment of the diagnostic value of an NS1 ELISA; 3. NS1 ELISA as evaluation criteria for measuring the efficacy of vaccination against H9N2 AIV; 4. Development of an AIV H9 subtype specific ELISA systems. Major conclusion and implications drawn from the project were: 1. A continuous genetic change occurred in the collection of H9N2 isolates, and new introductions were identified. It was shown thatthe differences between the HA proteins of viruses used for vaccine productionand local fieldisolatesincreasedin parallelwith the durationand intensity ofvaccine use, therefore, developing a differential assay for the vaccine and the wild type viruses was the project main aim. 2. To assess the diagnostic value of an NS1 ELISA we first performed experimental infection trials using representative viruses of all introductions, and used the sera and recombinant NS1 antigens of the same viruses in homologous and heterologous NS1 ELISA combination. The NS1 ELISA was evidently reactive in all combinations, and did not discriminate significantly between different groups. 3. However, several major drawbacks of the NS1 ELISA were recognized: a) The evaluation of the vaccination effect in challenged birds, showed that the level of the NS1 antibodies dropped due to the vaccination-dependent virus level drop; b) the applicability of the NS1-ELISA was verified on sera of commercial flocks and found to be unusable due to physico-chemical composition of the sera and the recombinant antigen, c) commercial sera showed non-reactivity that might be caused by many factors, including vaccination, uncertainty regarding the infection time, and possibly low antigen avidity, d) NS1 elevated antibody levels for less than 2 months in SPF chicks. Due to the above mentioned reasons we do not recommend the application of the DIVA NS1 ELISA assay for monitoring and differentiation AIV H9N2 naturally-infected from vaccinated commercial birds.
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Malkinson, Mertyn, Richard Witter e Irit Davidson. Reduction of Reticuloendotheliosis in Foundation Breeding Flocks of Chickens: A Combined Immunological and Molecular Biological Approach. United States Department of Agriculture, febbraio 1996. http://dx.doi.org/10.32747/1996.7613026.bard.

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Reticuloendotheliosis virus (REV) is an avian retrovirus that can cause immunosuppression, growth retardation and tumors. An attempt to define the extent of the economic damage to the poultry industry that it causes is discussed in this report. In addition to losses experienced by commercial laying flocks, reduced rates of hatchability and embryo developmental disorders were demonstrable due to vertical transmission of the virus. I. Eradication of REV In this project a comprehensive national program was applied for the eradication of REV from Israeli breeding stocks by the elimination of antibody-positive birds from the breeding program. The prevention of REV-infected breeders entering Israel was also implemented by serological examination of imported day-old chickens and turkeys for maternal antibody. At the same time commercial breeding flocks in Israel were surveyed routinely to measure the extent of environmental exposure to REV throughout Israel. II. Economic factors associated with vertical transmission on breeders and progeny It was observed that on some poultry farms exposure of breeding flocks to viral infection, if it occurs when the birds are immunocompetent, leads only to a seroconvertion event. In these flocks no differences were demonstrated between the performances of seronegative and seropositive birds. When the F1 generation was selected according to seronegativity of the parents, all the progeny were seronegative, indicating that tolerantly infected birds did not form a significant proportion of the parent flock. In sharp contrast, breeding flocks that became exposed to the virus about the point of lay or during the laying period, shed virus vertically for a brief period of time through the egg. Our epizootiological observations lead us to conclude that the progeny (laying pullets) becomes tolerantly infected and are immunosuppressed as they increase in age. Increased mortality and susceptibility to intercurrent diseases were recorded.
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Klein, Lawrence A., e Lev Sadovnik. Development of a 94 GHZ Radar System for Dedicated Bird Detection at Airports and Airfields. Fort Belvoir, VA: Defense Technical Information Center, gennaio 2006. http://dx.doi.org/10.21236/ada444862.

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Morrison, M. L., e K. H. Pollock. Development of a practical modeling framework for estimating the impact of wind technology on bird populations. Office of Scientific and Technical Information (OSTI), novembre 1997. http://dx.doi.org/10.2172/554756.

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