Gammaglutamyltransferase activity in buffalo mammary tissue during lactation

Publication Type:Journal Article
Year of Publication:2006
Authors:Pero, ME, Mirabella, N, Lombardi, P, Squillacioti, C, De Luca, A, Avallone, L
Journal:Animal Science
Volume:82
Pagination:351-354
Date Published:2006
ISBN Number:1357-7298
Keywords:Bubalus arnee
Abstract:

ABSTRACT In the present study, the rôle of gammaglutamyltransferase (GGT) during lactation has been investigated in the water buffalo. GGT activity has been evaluated in the mammary tissue at 4 and 6 months after calving and during the non-lactating period. The highest GGT activity levels were found at day 120 (32·57±7·41 U per g) of lactation and were statistically higher than those at 180 (10·76±3·6 U per g) or during the non-lactating period (9·86±7·94 U per g). Histochemistry confirmed these findings and revealed that GGT reactivity was distributed throughout the cytoplasm of alveolar epithelial cells. Such results showed that the GGT production is high during lactation thus supporting the hypothesis that this enzyme plays a rôle in determining milk production in water buffalo by supporting milk protein synthesis.

URL:http://dx.doi.org/10.1017/S1357729806000427
Taxonomic name: 
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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith