LACTATION PERFORMANCE OF HOLSTEIN AND HOLSTEIN X GYR CATTLE UNDER INTENSIVE CONDITION IN A SUBTROPICAL ENVIRONMENT

Data from 289 milk yield records of purebred Holstein, ¾ Holstein ¼ Gyr and ½ Holstein ½ Gyr were used to compare milk production traits of these genotypes in an intensive operation in a subtropical region of northwestern Mexico. The performance traits studied were: 305-d milk yield days (P305),...

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Bibliographic Details
Main Author: Alfredo Estrada-Angulo
Format: Article
Language:English
Published: Universidad Autónoma de Yucatán 2011-08-01
Series:Tropical and Subtropical Agroecosystems
Subjects:
Online Access:http://www.revista.ccba.uady.mx/ojs/index.php/TSA/article/view/964