DYNAMICS OF ENERGY METABOLISM IN THE CATTLE OF DIFFERENT MILK YIELDING CAPACITY IN THE CONDITIONS OF NORTHEAST OF RUSSIA
The article contains analysis of energy metabolism seasonal dynamics of Kholmogoiy breed with different yield. It states that metabolism level of lactating cows is higher than one of dry cows in spite of season and yielding capacity. In conditions of Yakutia an exact seasonal rhythm of energy metabolism is revealed in breeds. Energy metabolism of Simmental breed is higher in summer while energy metabolism of Kholmogory breed is higher in winter.