Some Biological Features of Experimental Cows
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In this article, the clinical indicators and morphological characteristics of the blood of Holstein-bred black-and-white and Holstein breeds of different selections were studied and analyzed, and the adaptive properties of the organism were determined by the clinical and physiological indicators of the animals: respiratory rate, heart rate and body temperature. It is these indicators that are studied and analyzed, as well as the natural resistance of the organism, the state of metabolism, physiological activity and productivity.

