Document Detail


Skin and coat traits in sheep in Brazil and their relation with heat tolerance.
MedLine Citation:
PMID:  20680445     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
The objective of this study was to evaluate and compare physical parameters in groups of sheep with different phenotypic characteristics in the Centre-west region of Brazil. Five groups of sheep, with nine animals per group, were selected, three groups of Santa Inês animals with different coat colours (white, brown and black), one group with crossbred animals (Santa Inês × Bergamasca) and one group with animals of the Bergamasca breed. The following traits were evaluated: coat thickness, number and length of hair, pigmentation level in the coat and the skin as well as the percentage area of sweats glands in the skin tissue, carried out by histological analysis. The number of hairs and the area of sweats glands were not significantly different between the evaluated groups. The Bergamasca breed showed low pigmentation of the skin and long hairs. The levels of pigmentation of the hair and of the skin were highly correlated. Between the Santa Inês groups, the group with white hair showed the better parameters for heat adaptation, while the brown hair group showed the lower heat adaptation when compared with another hair breed groups.
Authors:
Concepta McManus; Helder Louvandini; Rosilene Gugel; Luiz Cláudio Bastos Sasaki; Eliandra Bianchini; Francisco Ernesto Moreno Bernal; Samuel Rezende Paiva; Tiago Prado Paim
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-08-02
Journal Detail:
Title:  Tropical animal health and production     Volume:  43     ISSN:  1573-7438     ISO Abbreviation:  Trop Anim Health Prod     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-12-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  1277355     Medline TA:  Trop Anim Health Prod     Country:  United States    
Other Details:
Languages:  eng     Pagination:  121-6     Citation Subset:  IM    
Affiliation:
Department of Animal Production, Av. Bento Gonçalves, 7712 - Caixa Postal 15100 - CEP 91540-000, Porto Alegre, RS, Brazil. concepta@unb.br
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