Article
Genotype by environment interaction for first-lactation female fertility traits in UK dairy cattle.
Journal of dairy science - 1 Jul 2009
Strandberg E, Brotherstone S, Wall E, Coffey M P
Abstract excerpt
The objective of this study was to examine whether there was genotype by environment interaction (G x E) for female fertility traits for various environmental descriptors used in the United Kingdom. Records on days to first service (DFS), nonreturn rate at 56 d (NR56), calving interval (CI), and number of inseminations (NINS) on approximately 200,000 first-lactation Holstein cows in 3,192 herds and from 1,147...
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