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Changes in milk protein content of Polish Black-and-White and Red-and-White Lowland cows according to the fat content, stage of lactation and season of calving



Changes in milk protein content of Polish Black-and-White and Red-and-White Lowland cows according to the fat content, stage of lactation and season of calving



Annales Universitatis Mariae Curie Sklodowska, E Agricultura 31: 337-351



For 717 Polish Black-and-White Lowland (PBWL) cows on 55 farms in 7 provinces, 1st-lactation milk yield averaged 3963 kg at 3.33% protein and 3.89% fat, 2nd-lactation yield 4668 kg at 3.36% protein and 3.96% fat, and 3rd-lactation yield 5094 kg at 3.32% protein and 3.94% fat. Corresponding figures for 201 Polish Red-and-White Lowland (PRWL) cows were 3422 kg, 3.21% and 3.69%, 3835 kg, 3.24% and 3.87%, and 4140 kg, 3.22% and 3.87%.

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Accession: 000611600

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