Интерьерные и продуктивные особенности симментальского скота разных внутрипородных типов

Biochemical blood properties and season dynamics of milk composition of Simmental cattle of different interstock types are adduced lere. It is stated that the animals of milk-meat type are characterized by better hematological indeces, their milk composition is less changeable during the year and corresponds to the reguired standards of milk-processing factories.