биохимические показатели крови

Biochemical blood status in the intact pregnant cows and in those infected with the bovine leukemia virus

The aim of the research is to determine the differences of biochemical blood parameters in the intact cows and in those infected with the bovine leukemia virus (BLV). The feeding and keeping conditions for the livestock of both the control and experimental groups were similar, provided by the technology of the farm. Studying the blood samples was performed using traditional laboratory diagnostics methods. The results of the study were processed using biometric methods with determining the level of confidence based on the Student’s criterion.

Use of starter combined feeds in the ration of black-andwhite replacement heifers

The article presents results of the research dedicated to the influence of starter combined feeds on the growth of black-and-white replacement heifers. It has been found that feeding the animals at the age of 2-5 months with the starter combined feeds in the amount of 1.5-1.7 kg per head daily contributes to greater edibility of feeds and increase in average daily gains while optimizing the animal health condition.

Chlorella suspension use in feeding yield heifers of blackand white breed in milk period growth

The article gives the results of studying on chlorella suspension influence on the yield heifers of black-and white breed. It has been established that feeding crop additions to animals in milk period growth of 0,5kg per head during twenty-four hours brings an increase in average daily gain, feeding activity of heifers along with health conditions optimization.

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