Article
Association of somatotropin (BST) gene polymorphism at the 5th exon with selection for milk yield in Holstein cows.
Domestic animal endocrinology - 1 Jul 1996
Lee B K, Lin G F, Crooker B A, Murtaugh M P, Hansen L B, Chester-Jones H
Abstract excerpt
A selection project produced control cows from continuous matings with breed average bulls for predicted transmitting ability for milk (PTA-milk) in 1964 and select cows from matings to four of the highest PTA-milk bulls each year since 1964. Blood samples were collected in 1992 when milk yield difference of select and control line cows exceeded 3,800 kg of milk/305-day lactation. Genomic DNA from control (n =...
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