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Title: Genetic parameters between sexes for temperament traits in Limousin cattle
Contributor(s): Sapa, J (author); Donoghue, Katherine  (author); Phocas, Florence (author)
Publication Date: 2006
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Abstract: Genetic selection based on reduced cattle fearfulness to increase their adaptative abilities to human environments could be an important way to improve both animal welfare and breeders' working conditions. In particular, improving temperament of cattle breeds that are difficult to handle is a major concern especially in extensive ranching breeding conditions where extremes in temperament are displayed more often. Consequently, in the last decade, selection for improving temperament on farm has become one of the main objectives for the Limousin cattle reared in Australia, New Zealand or in North America. Selection has been mainly based on a crush test (Tier et al., 2001). In France, there is currently no test on farms, but Limousin bulls have been evaluated since 1990 on a "docility test" (Boivin et al., 1992) in an individual test station and in a female progeny test station for bulls going through the AI breeding program. A few studies have reported a significant sex effect on temperament traits, with females always more excitable or difficult to handle (Voisinet et al., 1997; Lanier et al.., 2000; Gauly et al., 2001). As far as we know, there had been no genetic analysis to test whether reaction to human handling was governed by the same pool of genes between sexes. Because different neuroendocrine mechanisms may be involved in the fear reactions of females and males, the aim of the study was to assess the potential genetic differences between sexes for temperament traits recorded in French and Australian Limousin cattle.
Publication Type: Conference Publication
Conference Name: 8th World Congress on Genetics Applied to Livestock Production (WCGALP), Belo Horizonte, Brazil, 13th - 18th August, 2006
Conference Details: 8th World Congress on Genetics Applied to Livestock Production (WCGALP), Belo Horizonte, Brazil, 13th - 18th August, 2006
Source of Publication: Proceedings of the 8th World Congress on Genetics Applied to Livestock Production
Publisher: SBMA: Sociedade Brasileira de Melhoramento Animal [Brazilian Society of Animal Breeding]
Place of Publication: Brazil
Field of Research (FOR): 070201 Animal Breeding
HERDC Category Description: E2 Non-Refereed Scholarly Conference Publication
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Appears in Collections:Animal Genetics and Breeding Unit (AGBU)
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