Evaluation results of stud bulls by offspring quality

Purebred stud bulls of a related Holstein breed are widely used when breeding domestic black-and-white cattle breeds. Results’ evaluation using these by offspring quality is relevant and has practical significance. Stud the Vis Back Ideal 1013415 line were evaluated in one farms Moscow region. As result, it was found that all had high value. Bulls Trubach 174 - A 1 ; Nog Odin-M 490626 Lowlands-M 427373367 – 2 assigned categories milk yield, Memory-M 54215651 B Fern-M 107901925 . The nutrients’ yield with showed bull, negative results obtained despite category According to milk. Thus, line: 174; 490626; 54215651; 107901925; can be on farm considering their bull requires wider use.