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Covariance components by a repeatability model in Slovenian dairy sheep using test-day records
milk traits genetic and environmental effects heritability
2015/6/8
The estimation of covariance components for daily milk yield, fat and protein content was performed in three Slovenian dairy sheep breeds (Bovec, Improved Bovec, and Istrian Pramenka). In the period 1...
Prediction of Future Milk Yield with Random Regression Model Using Test-day Records in Holstein Cows
Test Day Holstein Cows Random Regression Model Future Milk Yield
2016/4/21
Various random regression models with different order of Legendre polynomials for permanent environmental and genetic effects were constructed to predict future milk yield of Holstein cows in Korea. A...
Genetic Parameters of Milk Yield and Milk Fat Percentage Test Day Records of Iranian Holstein Cows
Genetic Parameters TD Records Animal Model Iranian Holstein
2016/4/20
Genetic parameters for first lactation milk production based on test day (TD) records of 56319 Iranian Holstein cows from 655 herds that first calved between 1991 and 2001 were estimated with restrict...