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Mostrando ítems 111-120 de 182
Indicadores de inmunidad pasiva y activa en neonatos bovinos de madres vacunadas y no vacunadas con una bacterina comercial
(Palmira - Ciencias Agropecuarias - Maestría en Ciencias AgrariasMaestría Ciencias AgrariasUniversidad Nacional de Colombia - Sede Palmira, 2020-08-05)
The aim of this study was to evaluate the immune response and passive immunity transfer through serological indicators analyzed by Radial Immunodiffusion (RID) and colostrum quality in the low tropics, after the application ...
Association of TLR6 gene polymorphisms with zootechnical parameters in Holstein cattle in northern Antioquia
(Universidad Nacional de Colombia - Sede Medellín - Facultad de Ciencias Agrarias, 2017-05-01)
Specialized dairy systems are one of the most important lines in the agricultural sector in Colombia and the world. Currently there are strategies, both of environmental management and animal breeding, seeking to optimize ...
Relación entre polimorfismos genéticos intragénicos y características de producción de leche y fertilidad en vacas Holstein Fresian
(Chile Universidad Mayor, 1999)
The positive effect of the administration of growth hormone (GH) on milk production and the presence in selected dairy cattle lines of higher prolatin (PRL), thyrotropin (TSH) and GH concentrations, prompted an examination ...
Anestro pós-parto: luteólise prematura
(Universidade Estadual Paulista (Unesp), 2009)
The prolonged postpartum anoestrus in cows reduces the number of calves leading to a significant economic loss to producers. Suckling and nutrition are the factors of great importance to the extension of the post-partum ...
A influência da mineralização na reprodução de fêmeas bovinas
(Universidade Federal do TocantinsAraguaínaCURSO::ARAGUAÍNA::PRESENCIAL::BACHARELADO::ZOOTECNIAAraguaínaGraduação, 2023)
Use of gnrh and pgf(2)alpha for synchronisation of oestrus in confined dairy herdsARCHIVOS DE MEDICINA VETERINARIAArch. Med. Vet.
(UNIV AUSTRAL CHILE, FAC CIENCIAS VETERINARIAS, 2017)
Parâmetros reprodutivos e produtivos em vacas leiteiras em free- stallProductive and reproductive parameters in dairy cows in free stall
(Universidade Federal de ViçosaBRBiotecnologia, diagnóstico e controle de doenças; Epidemiologia e controle de qualidade de prod. deMestrado em Medicina VeterináriaUFV, 2015)
Evaluación del componente bovino en sistemas de doble propósito, manejado bajo condiciones agrosilvopastoriles en Jutiapa, Guatemala
(Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), 1993)
El estudio se realizó en 27 fincas con sistema de producción mixta con un componente bovino manejado en sistemas de doble propósito, distribuidas en seis municipios del departamento de Jutiapa en el sureste de la República ...