Estimates of genetic parameters for a test day model with random regressions for yield traits of first lactation Holsteins.

doi:10.3168/jds.S0022-0302(97)75996-4

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Article

Estimates of genetic parameters for a test day model with random regressions for yield traits of first lactation Holsteins.

Journal of dairy science - 1 Apr 1997

Jamrozik J, Schaeffer L R

Abstract excerpt

A model that contains both fixed and random linear regressions is described for analyzing test day records of dairy cows. Estimation of the variances and covariances for this model was achieved by Bayesian methods utilizing the Gibbs sampler to generate samples from the marginal posterior distrib...

Topics

Algorithms
Analysis of Variance
Animals
Cattle
Dairy Products
Female
Genetic Variation
Lactation
Linear Models
Milk
Models, Biological
Models, Genetic

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