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Activity of selected aminopeptidases of whole milk in cows as related to feeding season (autumn/winter vs spring/summer)

Activity of selected aminopeptidases of whole milk in cows as related to feeding season (autumn/winter vs spring/summer)

Animal Science Papers and Reports 22(4): 667-672

Aminopeptidases play a crucial role in the animal's metabolism. Their activity in degrading proteins and peptides is also important in milk processing industry. Activity of alanine aminopeptidase (AlaAP), leucine aminopeptidase (LeuAP) and arginyl aminopeptidase (ArgAP) was determined in whole milk of Polish Red cows (mean yield 4200 kg per lactation) at the end of autumn/winter (A/W) and then at the end of spring/summer (S/S) feeding season - 23 and 19 cows, respectively.

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