Protsenko H. The dependence of milk production and fertility in cows on their in early ontogenesis

Object researches – heifers and cows of the Ukrainian red milk breed (central zonal type), distributed on groups on duration of uterine period, by intensity of growth to age the three months, by the slump of growth to annual age. Research purpose: determination of influencing of duration of uterine period, intensity of growth to age the three months, intensity of slump of growth to annual age of heifers on future their economic-useful signs. Research methods: zootechnology; hematological; clinical; biometrichesky. Results of researches: 1)for theories - it is Definite, that between duration of uterine development, by intensity of growth to age the three months, high-reliable correlative copulas are the type of slump of growth to annual age;2)for practices are the possibility of the effective use of heifers and measles of the Ukrainian red milk breed Led to depending on the signs of early ontogenesis with the purpose of creation of highly productive herds. Developments of candidate for a degree are usedduring realization of the programs of selection with the purpose of improvement of herds of cattle both Dnepropetrovsk, and other regions. Sphere of the use: economies from growing of cattle of milk breeds.