Intensification of the reproductive function of cows of the Kazakh white-headed breed by the biotechnological method

Abstract

This paper discusses the issues of intensification of the reproductive function of cows of the Kazakh white-headed breed in the Republic of Buryatia, where severe natural and climatic conditions are observed by introducing biologically active drugs to animals (drugs “Estrofan” and “E-selenium”). Immunobiological blood test. The indicators of the reproductive function of females were determined.