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Effect of Estrous Cycle and Lactation on Lipase Activity in Bovine Milk and Blood

Authors
Journal
Journal of Dairy Science
0022-0302
Publisher
American Dairy Science Association
Volume
52
Issue
7
Identifiers
DOI: 10.3168/jds.s0022-0302(69)86705-6
Keywords
  • Technical Notes

Abstract

Abstract Lipase activity in the milk and blood of four cows was measured during their lactation. Peak blood plasma lipase values occurred about 24 hr before observed estrus. These peak values were bracketed by lower values occurring two or three days before and one to three days after the day of observed heat. Changes in blood lipase activity were reflected and magnified in the milk, although these changes occurred 9 to 15 hr after they were observed in the blood.

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