Abstract Previous studies have examined the effects of heat stress on dairy cattle and have estimated genetic parameters of heat tolerance for milk production traits. To further investigate heat stress in Canadian dairy cattle and to identify potential mitigation strategies through genetic selection, this study evaluat...
I. Campos, R. Jahnel, H. Oliveira et al.· Journal of Animal Science· 0 citations
The reproductive success of cows directly influences the profitability of dairy farms. Reproductive traits, particularly calving-related traits, generally have low heritability but sufficient additive genetic variance to enable genetic progress through genomic selection. Thus, the primary objectives of this study were...
Pedro F. C. Aponte, Paulo L. S. Carneiro, D. A. Silva et al.· Journal of Dairy Science· 0 citations
Transferring single-nucleotide polymorphism (SNP) effects across cattle breeds has often proven to be unreliable for a range of traits, even when using higher-density SNP panels. However, methane production (MeP) may exhibit greater portability across breeds because it has not been subjected to the prolonged, intense...
Timothy T. Houghton, S. Cunha, Madeline J. McLennan et al.· Journal of Animal Science· 0 citations
Feed efficiency (FE) is a complex trait with major implications for the sustainability and profitability of dairy production; however, the potential association of the milk-associated microbiota with this phenotype remains largely unexplored. Additionally, milk somatic cells (MSC) provide a minimally invasive and eas...
Á. Cánovas, Guilherme Henrique Gebim Polizel, Le-Luo Guan et al.· Journal of Animal Science· 0 citations
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