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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 ...
Relación entre el recuento de células somáticas y la producción de leche de búfalas en el estado de São Paulo, Brasil
(Livestock Research for Rural Development, 2006-01-01) [Artigo]
Mastitis is an inflammatory process in the udder that can affect the quality and quantity of milk produced causing economic losses and risks for health. Considering the somatic cell count (SCCs) as indicator of udder health ...
Acidosis ruminal en bovinos lecheros: Implicaciones sobre la producción y la salud animal
(Revista Electronica de Veterinaria, 2012-04-01) [Artigo]
Ruminal acidosis is a major problem in the production of cattle fed diets rich in concentrates, especially in cows of high milk production. During rumen acidosis rumen pH is depressed due to the accumulation of volatile ...
Evaluación genética de búfalos de la raza Murrah para la producción de leche en el día de control y a los 305 días de lactancia
(Livestock Research for Rural Development, 2009-01-01) [Artigo]
There were analyzed 4757 complete lactations of the Murrah breed, daughters of 187 bulls, with the goal of verifying the viability upon employing the test-day (PDLC), on substitution of the milk yield at 305th day of ...
Indicadores na estimativa do fluxo de digesta em bovinos de corte
(Archivos de Zootecnia, 2011-12-01) [Artigo]
single and double marker methods were compared in seven Nellore steers with average body weight 250 kg, and previously canullated in the rumen and duodenum. The animals were fitted with continuous-infusion pump that ...