MILK PRODUCTIVITY AND CERTAIN BIOLOGICAL CHARACTERISTICS OF SIMMENTAL AND BLACK-AND-WHITE COWS
Keywords:
cattle breeding, Simmental, Black-and-White, cow, breedAbstract
This article presents the results of a comparative study of milk
productivity and certain biological characteristics of Simmental and Black-and-
White cows under farm conditions in Sherobod District, Surkhandarya Region,
Uzbekistan, during 2025–2026. The study involved 24 first-calving cows, including
12 purebred Black-and-White cows and 12 Simmental cows. Milk productivity,
milk fat and protein content, lactation duration, reproductive characteristics, and
adaptability were investigated.
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