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Mostrando ítems 11-20 de 178
Epidemiologia e quadro clínico do botulismo epizoótico dos bovinos no Estado de São Paulo
(1996-04-01)
In order to investigate epidemiological and clinical aspects of beef cattle mortalities caused by botulism, a syndrome popularly known as doença da vaca caída, studies were carried out in 32 naturally affected 4 to 9 year ...
Peso adulto de matrizes em rebanhos de seleção da raça Nelore no Brasil
(Sociedade Brasileira de Zootecnia, 2014)
Comportamento ingestivo e produtividade de vacas das raças Jersey e Holandesa em pastagens de azevém anual
(Universidade Federal de Santa MariaBRZootecniaUFSMPrograma de Pós-Graduação em Zootecnia, 2011-12-02)
A trial was conducted to evaluate the ingestive behavior, pastures dynamics and productivity
of cows of the Jersey and Holstein s breeds grazing annual-ryegrass (Lolium multiflorum) in
northwestern Rio Grande do Sul. ...
Relatório de estágio curricular supervisionado em medicina veterinária – área de bovinocultura de corteReport of supervised internship in veterinary medicine - beef cattle area
(Universidade Federal do PampaUNIPAMPABrasilCampus Uruguaiana, 2020)
Avaliação do desempenho na pré e pós-desmama para diferentes grupos genéticos em uma população multirracial Aberdeen Angus-Nelore.
(Universidade Federal de Santa MariaBRZootecniaUFSMPrograma de Pós-Graduação em Zootecnia, 2006-02-23)
The objective of this study was to evaluate the breed additive genetic and
heterozygotic effects, direct and maternal, on the weight and the average daily gain
for a multibreed population Aberdeen Angus-Nellore. They ...
Reduction of the bull:cow ratio in the Brazilian Pantanal.
(Pesquisa Agropecuária Brasileira, Brasília, v. 37, nº 12, p.1811-1817, dez. 2002., 2011)
Herd dynamics age and sex structured model considering management practices and animal movements among districts
(Elsevier Science Inc., 2021-08)
Mathematical models applied to livestock systems are an important tool for their analysis and planning, which can be used to improve their profitability, as well as for sanitary purposes. An age and sex structured model ...
Characterization of the variable cow's age at last calving as a measurement of longevity by using the Kaplan-Meier estimator and the Cox model
(2013-04-01)
In most studies on beef cattle longevity, only the cows reaching a given number of calvings by a specific age are considered in the analyses. With the aim of evaluating all cows with productive life in herds, taking into ...
Characterization of the variable cow's age at last calving as a measurement of longevity by using the Kaplan-Meier estimator and the Cox model
(2013-04-01)
In most studies on beef cattle longevity, only the cows reaching a given number of calvings by a specific age are considered in the analyses. With the aim of evaluating all cows with productive life in herds, taking into ...