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Efeitos Ambientais sobre Ganho de Peso no Período do Nascimento ao Desmame em Bovinos da Raça Nelore
(Revista Brasileira de Zootecnia, 1999-01-01) [Artigo]
The objective of this work was to study the effects of age of dam (AOD), age of calf (AOC) and Julian date of birth (DOB) on the average daily gain (ADG) from birth to weaning period of Nellore breed animals. The data were ...
Fontes energéticas associadas ao farelo de girassol ou à ureia em dietas para novilhos
(Archivos de Zootecnia, 2012-09-01) [Artigo]
The objective of this study was to evaluate the performance and carcass traits of steers fed corn or citrus pulp associated with sunflower meal or urea. Diets were composed of two energy sources (corn grain and citrus pulp) ...
Estudio de efectos ambientales y genéticos que influyen en la producción de leche y duración de lactación en bovinos de raza guzerat
(Livestock Research for Rural Development, 2011-07-01) [Artigo]
Objective of present work was study a influence of environmental and genetic effects over characteristics of milk total production (PL) and lactation duration (DL), from 2572 lactations of 477 Guzerat cows, collected since ...
Glicerina bruta na dieta de bovinos de corte confinados: Efeito sobre o hemograma
(Brazilian Journal of Veterinary Research and Animal Science, 2012-12-01) [Artigo]
The aim of this study was to evaluate the hemogram in cattle fed crude glycerin. 30 Nellore steers, were used for blood sampling, which were done each 28 days. The animals were confined for 103 days and were fed with five ...
Taxa de deposição de tecidos corporais de novilhas Nelore e suas cruzas com Angus e Simental
(Revista Brasileira de Saúde e Produção Animal, 2012-04-01) [Artigo]
The objective of this work was to evaluate deposition pattems of body tissues of Nellore and crossbreed with Angus and Simmental heifers. Fifty seven heifers (19 Nellore, 19 Angus and 19 Simmental) were used, being 12 ...
Potencialidades da utilização de taninos na conservação de forragens e nutrição de ruminantes-revisão
(Archives of Veterinary Science, 2007-11-21) [Artigo]
This review present a discussion abouth the tannins. The tannins are compounds that have the ability to bind other macromolecules, reducing their availability to animal metabolism. This characteristic can be benefic or ...
Relações materno-filiais e sua influência no peso pré-desmama de animais Nelore da Bahia
(Archivos de Zootecnia, 2009-10-27) [Artigo]
The aim of this study was to investigate the maternal-offspring relationships in the bovine breeds Nellore PO (Pure Breed) and Nellore CL (Cara Limpa) in Bahia State. The genetic composition of breeds did not affect LP ...
Crescimento, comportamento ingestivo e desempenho reprodutivo de novilhas mestiças holandês x zebu, em pastejo, submetidas à suplementação protéica durante a época das águas
(Ciência Animal Brasileira, 2012-12-01) [Artigo]
The objective of this study was to evaluate the effect of supplemental protein during the rainy season on body growth, ingestive behavior and reproductive performance of crossbred Gir x Holstein dairy heifers, with mean ...
Desempenho de bovinos em pastejo submetidos a duas frequências de suplementação no período da seca
(Acta Scientiarum: Animal Sciences, 2009-12-01) [Artigo]
This work was carried out to evaluate different frequencies of supplementation during the dry season. Forty-eight Nellore steers with 320 kg of initial live weight were fed with Brachiaria brizantha cv. Marandu pasture on ...
Variance heterogeneity for milk yield in Brazilian and Colombian Holstein herds
(Livestock Research for Rural Development, 2004-04-01) [Artigo]
Heterogeneity of variances for milk yield (MY) was determined for Brazilian and Colombian herds. The herds were grouped as high or low variability within each country, using as criterion the phenotypic standard deviation ...