Article (Scientific journals)
Effects of the calving number on animal performance, carcass and meat composition in finishing Belgian Blue double-muscled culled females
Cabaraux, Jean-François; Hornick, Jean-Luc; Dotreppe, Olivier et al.
2004In Livestock Production Science, 87 (2-3), p. 161-169
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Keywords :
Belgian Blue; culled females; calving number; performance; carcass composition; meat composition
Abstract :
[en] In a 2-year experiment, 66 Belgian Blue (BB) double-muscled culled females have been divided in three groups according to the calving number (heifers-H, cows culled after two calvings-C2 or four calvings-C4) and finished on a maize silage-based diet in order to compare animal performance and evolution of carcass and meat characteristics with age. Four females per group were slaughtered on day 0 to assess carcass and meat characteristics of lean animals. The initial and final live weights, the carcass weight and the daily food intake increased with advancing age, while the live weight gain and feed efficiency decreased. The H presented the higher killing-out and muscle proportions and the lower adipose tissue proportion. Their meat was less dark and less red than that of older cows. The lowest protein content and the highest fat content in meat dry matter were found in the C2. In the three groups, the carcass and meat became fatter with finishing process. The amplitude of fat deposition was the highest in C2. It can be concluded that the performance of BB culled females vary with age. The carcass and meat characteristics differ mainly between H and cows, few differences appearing between cows. (C) 2003 Elsevier B.V All rights reserved.
Disciplines :
Animal production & animal husbandry
Author, co-author :
Cabaraux, Jean-François  ;  Université de Liège - ULiège > Département de productions animales > Ecologie et éthologie vétérinaires
Hornick, Jean-Luc  ;  Université de Liège - ULiège > Département de productions animales > Nutrition des animaux domestiques
Dotreppe, Olivier ;  Université de Liège - ULiège > Département de productions animales > Nutrition des animaux domestiques
Dufrasne, Isabelle  ;  Université de Liège - ULiège > Département de productions animales > Nutrition des animaux domestiques
Clinquart, Antoine ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires > Technologie des denrées alimentaires
Istasse, Louis ;  Université de Liège - ULiège > Département de productions animales > Nutrition des animaux domestiques
Language :
English
Title :
Effects of the calving number on animal performance, carcass and meat composition in finishing Belgian Blue double-muscled culled females
Publication date :
2004
Journal title :
Livestock Production Science
ISSN :
0301-6226
Publisher :
Elsevier Science Bv, Amsterdam, Netherlands
Volume :
87
Issue :
2-3
Pages :
161-169
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 10 March 2009

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