Упитанность и продуктивность коров

To improve milk productivity and reproductive qualities of thoroughbred and mongrel high-yield cows, it is reasonable to support their fleshiness by the time of calving at a level of 3.5–3.75 points.

Кeywords: dairy cattle production cow bred heifer first-calf heifer milk fat protein service period productivity calving black-and-white breed Dutch breed Bestuzhev breed Holsteinized cattle reproductive function reproductive qualities insemination fertilisation lactation condition feed diet protein carbohydrates fat liver syndrome ketosis acidosis anestrus estral cycle indifference period embryos culling increasing milk yield milk yield.