Abstract
The article describes the milk productivity of the main genealogical lines of cows of the Voronezh type of red-mottled dairy breed of cattle bred in the Voronezh region, taking into account the linear affiliation. A sample of cows produced breeding plants area of PZ “Druzhba” and PZ “Bolshevik”. Analyzing the results of milk production and longevity of livestock, paid attention to the number of cows on lactations; percentage of disposal to 1 lactation; milk yield for 305 days of lactation, kg; milk yield of average productivity for 305 days of lactation, kg; average age of cows in lactations; lifetime productivity of cows, kg.
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