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The investigations were carried out on two herds of cows of red and white breed /112 cows and 112 female calves/. Each cow was measured and weighed right after calving, while the female calves were measured and weighed at the age of 2 days, 6, 12 and 18 months respectively. The body weight and 10 measurements of each animal were determined. They were the basis to estimate the indices phenotype correlation...
112 heifers and 66 young bulls of Red-White breed were examined, grown in two herds in the Lower Silesia. They sprang from 11 bulls and 168 cows. The calves were measured and weighed two days after their births and at the age of one month, 3 and 6 months, as well as when they were 12 and 18 months old. Besides, the mothers of those calves were weighed and measured just after they calved. At the above...
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