Open AccessASSESSMENT OF THE PHYSIOLOGICAL AND BIOCHEMICAL STATUS OF IMPORTED HOLSTEIN CATTLE AND ITS CORRECTION OF AN ENERGY-PROTEIN SUPPLEMENT
Author(s) -
M.A. Abushaev,
G.I. Boryaev,
E.V. Zdoroveva,
A.M. Vasilev
Publication year - 2020
Publication title -
učenye zapiski kazanskoj gosudarstvennoj akademii veterinarnoj mediciny im. n.è. baumana
Language(s) - English
Resource type - Journals
ISSN - 2413-4201
DOI - 10.31588/2413-4201-1883-244-4-11-16
Subject(s) - zoology , biology , dairy cattle , holstein cattle , energy metabolism , microbiology and biotechnology , endocrinology
In this regard, scientific, industrial and laboratory studies were carried out on heifers (15 an-imals) and heifers, divided into three groups of 10 animals each. The research results showed that the developed feed additive for highly productive dairy cows with a protected protein and available energy favorably affects the basic hematological parameters and mineral metabolism of animals, and also allows to increase the average daily milk yield of heifers