Lipoprotein Lipase Activity of Milk from Cows with Prolonged Subclinical Mastitis

C. Daniel Azzara, Paul S. Dimick

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42 Scopus citations


The influence of prolonged subclinical mastitis on bovine milk lipoprotein lipase activity was investigated. Nine cows with at least one quarter with prolonged subclinical mastitis and at least one nonmastitic quarter were selected in various stages of lactation. Milk from subclinical quarters had a mean somatic cell count of 5.7 × 106 cells/ml while milk from nonmastitic quarters had an average somatic cell count of 9.4 × 104 cells/ml. Quarters with a subclinical infection contained the same pathogenic organisms for a minimum of 6 wk. The average milk lipoprotein lipase activity of 108.7 units/ml milk from subclinical quarters was 27.1% higher than the average enzyme activity of 79.2 units/ml milk from nonmastitic quarters. Conditions present in the mammary gland during prolonged subclinical mastitis could lead to increased milk lipoprotein lipase activity in raw milk.

Original languageEnglish (US)
Pages (from-to)3171-3175
Number of pages5
JournalJournal of dairy science
Issue number12
StatePublished - 1985

All Science Journal Classification (ASJC) codes

  • Food Science
  • Animal Science and Zoology
  • Genetics


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