Cortisol-binding globulin and meat quality in five European lines of pigs1

Autor:	M. Font i Furnols, Graham Plastow, M. Hortós, Marie-Pierre Moisan, G. Gort, Marta Gil, Pierre Mormède, Aline Foury, N. A. Geverink, Marina Gispert
Rok vydání:	2006
Předmět:	Cortisol secretion medicine.medical_specialty Globulin Large white General Medicine Biology Loin Breed Animal science Endocrinology Transcortin Internal medicine Genetics medicine biology.protein Animal Science and Zoology Carcass composition Purebred Food Science
Zdroj:	Journal of Animal Science. 84:204-211
ISSN:	1525-3163 0021-8812
DOI:	10.2527/2006.841204x
Popis:	The gene (Cbg) encoding cortisol-binding globulin (CBG) has been proposed as a candidate gene to explain genetic variation in cortisol secretion and carcass composition in pigs. The objective of this study was to evaluate the association between CBG and pork quality in 5 European breeding lines, Pietrain, Large White (LW), and Landrace purebred lines, a Duroc synthetic line, and a Meishan (MS) x LW advanced intercross. Cortisol-binding globulin maximum binding capacity (CBG-Bmax) was twice as high (P or = 0.364) association between CBG-Bmax and carcass quality traits in Pietrain gilts, but CBG-Bmax was associated with increased loin yields in LW (P = 0.010) and Landrace (P = 0.103) gilts, decreased ham yields (P = 0.082) in Duroc gilts, and increased fat depth (P = 0.064) and leaf fat (P = 0.001) in MS x LW gilts. There was no association between CBG-Bmax and pork quality traits in Pietrain (P > or = 0.269) and Duroc (P > or = 0.114) gilts. Conversely, CBG-Bmax was associated with lighter (higher L* values; P
Databáze:	OpenAIRE
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