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Effect of the age at first calving on milk performance in Simental cows
(Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2015)
The studies included 88 Simental cows which were kept on farm in the West Pomerania province. The effect of age at first calving depending on milk performance in subsequent 305-day lactations were determined. The highest ...