Definition of subgroups for fixed regression in the test-day animal model for milk production ofHolsteincattle in theCzech Republic

Definition of subgroups for fixed regression in the test-day animal model for milk production ofHolsteincattle in theCzech Republic

The investigation was based on roughly 3.9, 2.7 and 1.7 million test-day records from first, second and third lactation, respectively, sampled from 596 200 Czech Holstein cows between the years 1991 and 2002. Breeding values were estimated from multi-lactation random-regression test-day models which...

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Bibliographic Details
Main Authors: L. Zavadilová, E. Němcová, J. Přibyl, J. Wolf
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2005-01-01
Series:Czech Journal of Animal Science
Subjects:
test-day model with random regression
fixed regression subgroups
lactation curves
milk yield
dairy cattle
Online Access:https://cjas.agriculturejournals.cz/artkey/cjs-200501-0002_definition-of-subgroups-for-fixed-regression-in-the-test-day-animal-model-for-milk-production-ofholsteincattle.php

Internet

https://cjas.agriculturejournals.cz/artkey/cjs-200501-0002_definition-of-subgroups-for-fixed-regression-in-the-test-day-animal-model-for-milk-production-ofholsteincattle.php

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