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Productivity and chemical composition of milk of primiparous cows Black-and-White Lowland breed in the period of 100 and 150 days of lactation, fed with two feed formulas



Productivity and chemical composition of milk of primiparous cows Black-and-White Lowland breed in the period of 100 and 150 days of lactation, fed with two feed formulas



Zeszyty problemowe postepow nauk rolniczych: 7 137-141




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