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Genotype by diet interactions for liveweight and condition score during lactation in heifers
Published online by Cambridge University Press: 05 November 2021
Extract
An earlier study at Langhill (Veerkamp et al, 1995) showed that selection for yield in dairy cows increases body tissue mobilisation during lactation, since high genetic merit animals had a lower average condition score (CS) compared with low genetic merit animals. However, in this study no diet effect for condition score and no interaction between diet and genetic merit was found. The reasons for this might have been that average condition scores during lactation were analysed, and therefore the objective of this study was to evaluate the effects of genotype and diet during lactation using weekly observations.
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- Copyright © British Society of Animal Science 1997
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