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The effects of systemic administration of amylin on the pancreas of laying hens

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The aim of present study was to investigate the effects of systemic administration of amylin in laying hens and also to examine the localisation of amylin in the pancreas of laying hens at three different ages. It involved a variety of histological, immunohistochemical, and biochemical techniques. Thirty Super Nick laying hens of 10 weeks of age were used. The control group had no treatment. On alternate days the experimental group was injected subcutaneously in the loose skin at the nape of neck with recombinant rat amylin prepared in water at a dose of 75 μg kg–1. The morphology of pancreas was studied at 14, 16, and 18 weeks of age. Our immunohistochemical results conclusively showed that amylin was expressed in beta cells and yet to our knowledge, this is the first study to report the expression of amylin in serous acini of 14 and 16 weeks of age. It can be concluded that systemically administered amylin increased the stimulation of amylin synthesis from pancreas and also increased plasma amylin levels especially at 16 weeks of age.
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Keywords: AMYLIN; IMMUNOHISTOCHEMISTRY; LAYING HENS; PANCREAS

Document Type: Research Article

Publication date: 01 April 2011

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  • Avian Biology Research provides a forum for the publication of research in every field of ornithology. It covers all aspects of pure and applied ornithology for wild or captive species as well as research that does not readily fit within the publication objectives of other ornithological journals. By considering a wide range of research fields for publication, Avian Biology Research provides a forum for people working in every field of ornithology. The journal also includes sections on avian news, conference diary and book reviews.

    Editor-in-Chief: Charles Deeming Editors: Tom Pike; Dale Sandercock; Claudia Wascher; Josh Firth; David Wilkinson; Jim Reynolds Production Editor: Claire Pike

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