Evropejskij Issledovatelʹ (Mar 2012)
Improvement of Black-and-White Holstein Stud Bulls Efficient Use in the Herd of Bryansk Region Stud Farm “Krasnyy Oktyabr”
Abstract
The article presents results of Holstein black-and-white stud bulls in high-productive herd of Bryansk Region Stud Farm “Krasnyy Oktyabr’”, notes that the highest effect of daughters’ productiveness is achieved from the use of stud bulls of American and Canadian selection.