![]() Estimates of genetic variance were lower based on genomic relationships than using pedigree relationships. Multivariate models were fitted using the different relationships in ASReml software. ![]() The data set contained milk yield, dry matter intake and body weight for 517 first-lactation heifers with genotypes and phenotypes, and another 112 heifers with phenotypes only. The standard error of the estimates and a parametric bootstrapping procedure was used to investigate sampling properties of the estimated variance components. Genetic parameters were estimated using relationships between animals that were based either on pedigree, 43,011 single nucleotide polymorphisms, or a combination of these, considering genotyped and non-genotyped animals. ![]()
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