Efficiency of the use of various methods of mammary gland stimulation in bringing first-calf cows of the Black-and-White breed into full milk production

settlement of Dubrovitsy, Moscow Oblast

143 pp.

Efficiency of the use of various methods of mammary gland stimulation in bringing first-calf cows of the Black-and-White breed into full milk production — Yesin, Valeriy Dzhimovich — 1995 — Russian Dissertation Library