Parameters of reproduction and dairy efficiency of cows of Black-motley breed with a different share of blood on Goldstein breed
Influence of a different bloody ratio on Goldstein at cows of black-motley breed on parameters of reproduction and dairy efficiency is investigated. The greatest dairy efficiency is established at cows with bloody ratio of 75%. With increase in a bloody ratio on Goldstein a yield of milk and the period between calving is raised.
Keywords: black-motley breed, bloody ratio on Goldstein, dairy efficiency