Bovidae
Mostrando 13-24 de 26 artigos, teses e dissertações.
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13. Dermatite ulcerosa em bovinos provocada por Stephanofilaria.
Em um rebanho leiteiro localizado na cidade de São Carlos-SP, foram constatados cinco casos de dermatite ulcerosa tendo como agente etiologico a Stephanofilaria spp. As lesões se localizaram na inserção da cauda, ubere, coxa e graupa. O diagnóstico foi feito por esfregaço e impressões obtidas de raspado e pele da borda da ulcera, coradas com Giemsa e
Pesquisa agropecuaria brasileira. Publicado em: 2011
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14. Características de produtividade de fêmeas bovinas Blonde D'Aquitaine x Zebu.
O objetivo deste trabalho foi comparar as relações peso do bezerro ao nascimento (RPN) e peso do bezerro à desmama (RPD) por peso da vaca ao parto de fêmeas Zebu (Z) e cruzadas Blonde d'Aquitaine (B) x Z, acasaladas com touros das raças Nelore e Blonde. Os dados foram analisados pelo método dos quadrados mínimos, utilizando-se um modelo matemático qu
REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA. Publicado em: 2011
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15. Uso da analise bayesiana no estudo da interação genotipo x ambiente de características de peso de bovinos
O objetivo foi estudar a interação genótipo x ambiente (duas épocas de nascimento). Estimativas de parâmetros genéticos foram obtidas para os pesos à desmama e aos 12 meses de idade, ganho de peso médio diário entre essas idades e um índice combinando essas características por componentes principais, em bovinos Canchim. Realizaram-se análises bic
REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA. Publicado em: 2011
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16. Genetic parameters for milk, fat and protein yields in Murrah buffaloes (Bubalus bubalis Artiodactyla, Bovidae)
The objective of the present study was to estimate genetic parameters for test-day milk, fat and protein yields and 305-day-yields in Murrah buffaloes. 4,757 complete lactations of Murrah buffaloes were analyzed. Co-variance components were estimated by the restricted maximum likelihood method. The models included additive direct genetic and permanent enviro
Genetics and Molecular Biology. Publicado em: 22/01/2010
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17. Variance component estimates applying random regression models for test-day milk yield in Caracu heifers (Bos taurus Artiodactyla, Bovidae)
Random regression models (RRM) were used to estimate covariance functions for 2,155 first-lactation milk yields of native Brazilian Caracu heifers. The models included contemporary group (defined as year-month of test and paddock) fixed effects, and quadratic effect of age of cow at calving. Genetic and permanent environmental effects were fitted by a random
Genetics and Molecular Biology. Publicado em: 2008
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18. Test-day milk yield as a selection criterion for dairy buffaloes (Bubalus bubalis Artiodactyla, Bovidae)
Due to the great demand for buffalo milk by-products the interest in technical-scientific information about this species is increasing. Our objective was to propose selection criteria for milk yield in buffaloes based on total milk yield, 305-day milk yield (M305), and test-day milk yield. A total of 3,888 lactations from 1,630 Murrah (Bubalus bubalis) cows
Genetics and Molecular Biology. Publicado em: 2008
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19. Epidemiologia da Leptospirose em animais silvestres na Fundação Parque Zoológico de São Paulo
A Leptospirose é uma doença bacteriana de caráter zoonótico que afeta os animais domésticos, silvestres e o homem. Levantamentos sorológicos têm demonstrado o envolvimento de diferentes espécies sinantrópicas e silvestres na epidemiologia da doença. Com o objetivo de conhecer melhor a epidemiologia da Leptospirose dentro da Fundação Parque Zooló
Brazilian Journal of Veterinary Research and Animal Science. Publicado em: 2004-06
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20. Avaliação de dois metodos de contagem e densidade populacional da mosca-dos-chifres (Haematobia irritans irritans) (Diptera: Muscidae) em bovinos da raça nelore (Bos indicus) (Artiodactyla: Bovidae)
The influence of the temperature and the amount of the rain falI on the variation of the population density ofthe hom fly (Haematobia irritans irritans), in the cattle (bovine) ofthe Nelore breed (Bos indicus), was studied from January to December, 1998 in Araçatuba, São Paulo, Brazil. During this period a significant correlation (p
Publicado em: 2000
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21. DNA systematics and evolution of the artiodactyl family Bovidae.
Nine additional sequences from representatives of different tribes of the family Bovidae were combined with six published artiodactyl sequences to provide orthologous mtDNA for investigation of bovid phylogeny and evolution. Each species was represented by a homologous 2.7-kilobase-pair stretch of mtDNA for the complete 12S and 16S rRNA genes and three adjac
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22. Nucleotide Sequence Evolution at the κ-Casein Locus: Evidence for Positive Selection within the Family Bovidae
κ-Casein is a mammalian milk protein involved in a number of important physiological processes. In the gut, the ingested protein is split into an insoluble peptide (para κ-casein) and a soluble hydrophilic glycopeptide (caseinomacropeptide). Caseinomacropeptide is responsible for increased efficiency of digestion, prevention of neonate hypersensitivity to
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23. Chromosomal localization of the callipyge gene in sheep (Ovis aries) using bovine DNA markers.
A mutation causing muscular hypertrophy, with associated leanness and improved feed efficiency, has been recently identified in domestic sheep (Ovis aries). Preliminary results indicate that an autosomal dominant gene may be responsible for this economically advantageous trait. We have exploited the conservation in sequence and chromosomal location of DNA ma
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24. Characterization of envelope proteins of alcelaphine herpesvirus 1.
Alcelaphine herpesvirus 1 is a gammaherpesvirus which causes malignant catarrhal fever, an acute lymphoproliferative disorder of cattle and other susceptible Bovidae, which is almost invariably fatal. A preliminary analysis of proteins induced by the virus indicated that as many as six glycoproteins and one nonglycosylated molecule might be present in the vi