Results 61 to 70 of about 91,071 (119)
Semen production traits are important aspects of bull fertility, because semen quantity leads to direct profits for artificial insemination centres, and semen quality is associated with the probability of achieving a pregnancy.
R. Nagai+7 more
doaj
The protective efficacy of an inactivated vaccine from Anaplasma marginale that was cultured in tick cells (IDE8) for use against bovine anaplasmosis was evaluated.
Pedro Veloso Facury Lasmar+4 more
doaj +1 more source
Peso corporal y peso del huevo de Campero Casilda como gallina doble propósito
Antecedentes: La implementación de estrategias productivas con aves en semicautiverio en condiciones más afines con el comportamiento natural de la especie, requiere de genotipos adaptados.
Bernardo Martín Romera +4 more
doaj
Momento de aplicação do nitrogênio e algumas variáveis estruturais e bromatológicas do capim-massai
RESUMO As plantas forrageiras tropicais apresentam alto potencial de produção de massa de forragem, condicionada às condições edafoclimáticas, principalmente à adubação nitrogenada.
M.F. Marques+6 more
doaj +1 more source
Antecedentes: Los conejos jóvenes, después del período de destete, están sometidos a un gran estrés y su capacidad digestiva no se ha adaptado todavía a las raciones de los adultos.
Carmen Hernández Mendoza +4 more
doaj +1 more source
This study aimed to evaluate the chemical quality and fat profile of meat from crossbred goats (native and exotic) reared under feedlot systems. Thirty-two entire male goats were divided in equal number into four racial groups: eight pure Boer breed ...
Marta Suely Madruga+5 more
doaj +1 more source
Methane emission is not included in the current breeding goals for dairy cattle mainly due to the expense and difficulty in obtaining sufficient data to generate accurate estimates of the relevant traits.
R. Liu+8 more
doaj
Belgian Blue cattle are known for their high degree of muscling and good carcass qualities. This high degree of muscling is mainly caused by a mutation in the myostatin gene (MSTN).
R. Meyermans+9 more
doaj
Neste trabalho, foi purificada uma proteína macho específica com peso molecular de 19 Kda, a partir de espermatozóides de bovinos, por intermédio de cromatografia de gel filtração.
Clóvis José Pascarelli Souza+5 more
doaj +1 more source