Article
Relationships between polymorphism for mitochondrial deoxyribonucleic acid and yield traits of Holstein cows.
Journal of dairy science - 1 Apr 1996
Boettcher P J, Freeman A E, Johnston S D, Smith R K, Beitz D C, McDaniel B T
Abstract excerpt
Two independent data files from the breeding herd of Iowa State University and six North Carolina herds were used to examine relationships between yield traits and mtDNA polymorphism. Maternal lineages were established by tracing ancestry of cows to founder females in the herd book of the Holstein Association. Data from Iowa State University were 1476 records from 602 cows from 29 maternal lineages. The...
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