Article
Genetic and non-genetic determination of repeatability of blood and milk indices in black-and-white cows.
Archivum veterinarium Polonicum - 1 Jan 1993
Walawski K, Kaczmarczyk E, Sowiński G, Czarnik U, Zabolewicz T, Białłowicz E
Abstract excerpt
A herd of cows of the same age, kept in a stable system under controlled environmental conditions, was used to estimate the repeatability of diagnostic blood and milk indices in several stages of the I, II and III lactation. Attention was paid to genetic and non-genetic sources of phenotypic variation. Statistically significant values of the regression coefficient were found for the following milk parameters: fat...
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