Open AccessThe effectiveness of using the vitamin and mineral premix "P60-1" from natural ingredients in the feeding of highly productive cows black-and-white breed in the first 100 days of lactation
Author(s) -
A.V. Valoshin,
A.V. Glazkov
Publication year - 2020
Language(s) - English
DOI - 10.18411/lj-12-2020-97
Subject(s) - breed , lactation , zoology , white (mutation) , vitamin , biology , endocrinology , pregnancy , biochemistry , genetics , gene