Genetic Evaluation of Milk Production in Holstein Dairy Cattle of Khorasan Province Using a Spline Random Regression Model
This study was undertaken to estimate genetic trend and parameters of Holstein cattle in Khorasan province for milk yield using a spline random regression test day animal model. A total of 32854 monthly test day milk records (twice and thrice a day milking) obtained from 3842 Holstein heifers (proge...
Main Authors: | , , |
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Format: | Article |
Language: | fas |
Published: |
Isfahan University of Technology
2008-04-01
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Series: | Tulīd va Farāvarī-i Maḥṣūlāt-i Zirā̒ī va Bāghī |
Subjects: | |
Online Access: | http://jcpp.iut.ac.ir/article-1-860-en.html |