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Distribution of lysosomal enzymes within the non-secretory epithelium of the bovine mammary gland

Published online by Cambridge University Press:  01 June 2009

Tuna Mattila ,
Denise O'Boyle  and
Alan J. Frost
Tuna Mattila
Affiliation:
Department of Veterinary Pathology and Public Health, University of Queensland, St Lucia, Queensland 4067, Australia
Denise O'Boyle
Affiliation:
Department of Veterinary Pathology and Public Health, University of Queensland, St Lucia, Queensland 4067, Australia
Alan J. Frost
Affiliation:
Department of Veterinary Pathology and Public Health, University of Queensland, St Lucia, Queensland 4067, Australia
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Summary

The levels of N-acetyl-β-glucosaminidase (NAGase) and acid phosphatase were analysed in tissue from the teat and lactiferous sinus epithelia of dairy cows at different stages of lactation. Enzyme levels were lower in the epithelia of the teat sinus than of the lactiferous sinus. For both enzymes, levels were highest in tissue from post-partum glands, lowest in those from dry and mid-lactation glands. In involuting glands the levels were high, but not as high as the post-partum glands.

Type
Original articles
Information
Journal of Dairy Research , Volume 55 , Issue 3 , August 1988 , pp. 339 - 344
Copyright
Copyright © Proprietors of Journal of Dairy Research 1988

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