Zobrazeno 1 - 1
of 1
pro vyhledávání: '"I A Porfiryev"'
Publikováno v:
RUDN Journal of Agronomy and Animal Industries, Vol 0, Iss 4, Pp 50-57 (2009)
The reproduction intensification directly depends on carrying out of early diagnosis of pregnancy and infertility at the inseminated highly productive dairy cows. In work are introduced ultrasonic researches of cows and young cows on a pregnancy, adv
Externí odkaz:
https://doaj.org/article/5d58b146002a48afb79ca9478e5ca1bc
