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pro vyhledávání: '"Irina Kramareva"'
Publikováno v:
BIO Web of Conferences, Vol 37, p 00021 (2021)
The paper presents the experimental results to study the effect of Tanamine Zn complex preparation on the mineral-energy metabolism of dry and newly calved highly productive (with an amount of more than 8 thousand kg) cows. During the dry period (60