Y. V. Ilyin

Clinical and biochemical monitoring of reproductive health of cows in farms of different organizational forms of the Udmurt republic

Holsteinized black-and-white cows aged 4—5 years were studied in the conditions of a peasant farm and a large agricultural enterprise in the Udmurt Republic. A total of 40 cows were examined at each enterprise, subdivided into 4 groups of 10 cows each. The first group included newly-calved cows; the second group includ...