Heifers breeding Holstein Black mottled Pedigree: All animals are registered in the official stud book of the country of origin and have official pedigrees. All the animals are healthy and correspond to the appearance of the breed. Bull for insemination: Father and Bullenbeyt registered in the official stud book. Insemination: artificial, natural Age : not more than 26 months. during calving. Pregnancy: 2.5-6.5 months. during delivery. Weight: depending on age and length of pregnancy, but not less than 500 kg at the time of delivery. Productivity maternal liiinii rate of 305 days: not less than 7000 kg on the first lactation or not less than 8000 kg or second lactation at least 9000 kg maximum lactation, with a milk fat content of 3.7% and the protein is not less than 3.1% . Standards Color species - black mottled. The animals are peculiar to a strong constitution and a balanced physique. Height at the withers of 135-140 cm, the length of the trunk 160-165 cm, 20-21 cm metacarpus. Large head with a broad forehead, deep chest (bulls with developed dewlap) spin broad, sacrum sometimes elevated, well-developed muscles, the skin is thick, udder often rounded, large nipples. Adult cows weigh 550-650 kg, bulls 900-1200 kg. Maximum weight up to 870 kg cows, bulls 1300 kg. Using Holstein dairy breed, large milk yield of 7000 kg for the first lactation.