Article (Scientific journals)
The relationship between carcass characteristics, plasma hormones and metabolites in young fattening bulls.
Istasse, Louis; Van Eenaeme, Christian; Gabriel, Annick et al.
1990In Veterinary Research Communications, 14 (1), p. 19-26
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Keywords :
Age Factors; Animals; Body Composition; Body Weight; Breeding; Cattle/blood/growth & development/metabolism; Creatinine/blood; Diet; Growth Hormone/blood; Hormones/blood; Insulin/blood; Insulin-Like Growth Factor I/analysis; Male; Testosterone/blood; Thyroid Hormones/blood
Abstract :
[en] Six Belgian Blue bulls (double-muscled type) and six Friesian bulls were offered a fattening diet for 34 weeks. Plasma samples were obtained once a week and also every 20 min over a 24 h period, 7 weeks before slaughter. No differences were observed between the breeds in plasma glucose, urea and free amino nitrogen concentrations, while creatinine was significantly higher in the Belgian Blue bulls. Tri-iodothyronin, tetra-iodothyronin, insulin-like growth factor 1, insulin and testosterone concentrations were higher in the Holstein group. In contrast, the Belgian Blue bulls appeared to produce more growth hormone. The slaughter weight, carcass weight, dressing percentage and proportion of lean meat were significantly higher in the Belgian Blue group. The characteristics of muscle mass (carcass weight, dressing percentage and proportion of lean meat) were positively correlated with creatinine and with the total peak area or peak amplitude of growth hormone. The insulin concentration was positively correlated with the proportion of adipose tissue in the carcass and negatively correlated with the proportion of muscle. There were no correlations between the carcass characteristics and insulin-like growth factor 1 or testosterone. No further information was provided when the ratios of the hormones were correlated with carcass characteristics.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Istasse, Louis ;  Université de Liège - ULiège > Département de productions animales > Nutrition des animaux domestiques
Van Eenaeme, Christian 
Gabriel, Annick ;  Université de Liège - ULiège > Département de morphologie et pathologie > Anatomie des animaux domestiques
Clinquart, Antoine ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires > Technologie des denrées alimentaires
Maghuin-Rogister, Guy ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires > Département de sciences des denrées alimentaires
Bienfait, Jean-Marie 
Language :
English
Title :
The relationship between carcass characteristics, plasma hormones and metabolites in young fattening bulls.
Publication date :
1990
Journal title :
Veterinary Research Communications
ISSN :
0165-7380
Publisher :
Kluwer Academic Publishers, Dordrecht, Netherlands
Volume :
14
Issue :
1
Pages :
19-26
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 March 2009

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