FACTORS AFFECTING AGE AT MATURITY AND AGE AT FIRST CONCEPTION IN HOLSTEIN-FRIESIAN X SAHIWAL CROSSBREDS

FACTORS AFFECTING AGE AT MATURITY AND AGE AT FIRST CONCEPTION IN HOLSTEIN-FRIESIAN X SAHIWAL CROSSBREDS

The data on 659 and 681 records of different crosses of Holstein-Friesian X Sahiwal crossbreds on age at maturity (first observed heat) and age at first conception respectively were analyzed. The data was spread over 17 years from 1974 to 1990. The overall least squares means and SE for age at matur...

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Bibliographic Details
Main Author: M. Rafique, K.R. Chohan1 and Q.Z. Chaudhry
Format: Article
Language:English
Published: University of Agriculture, Faisalabad 2000-01-01
Series:Pakistan Veterinary Journal
Subjects:
Holstein-Friesian X Sahiwal cows
maturity age
conception
factors affecting
Online Access:http://pvj.com.pk/abstract/20_1/10.htm

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