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Influence of cage or pen housing on carcass traits and meat quality of rabbit

Abstract : Carcass traits and meat quality of rabbits reared in conventional cages (0.385m2), small pens (0.662m2) or large pens (4.052m2) at a similar stock density of 15 rabbits/m2 were compared (n530 per group). Pens contained an elevated platform. Slaughter weight (SW; P,0.01) and cold carcass weight ( P,0.05) decreased in the order of Cage,Small pen,Large pen groups. SW and cold carcass weight were 7% lower in rabbits housed in large pens than in cages. Dressing out and meat-to-bone ratio were not influenced by the housing system. Percentage of fat deposits was highest in caged rabbits (10.15 point for scapular fat and 10.26 point for perirenal fat compared to rabbits reared in large pens P,0.05). Rabbits housed in large pens had a bigger proportion of hind part (11 point), and meat colour was shifted towards greater a* values ( P,0.01) compared to caged rabbits. Water holding capacity and shear test parameters in longissimus lumborum muscle, lipid content and shear test parameters of abductor cruralis cranialis, biceps femoris and semitendinosus muscles were not affected by the housing system. Tibia and femur bone moment of inertia increased in the order of Cage,Small pen,Large pen groups ( P,0.05), whereas elastic modulus, which is a measure of intrinsic stiffness, was highest in caged rabbits. This study showed that large pen housing altered carcass traits independently and increased meat redness and fracture resistance of tibia and femur.
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Déposant : Migration Prodinra <>
Soumis le : dimanche 31 mai 2020 - 00:45:38
Dernière modification le : vendredi 20 novembre 2020 - 08:29:06




Sylvie Combes, Gilbert Postollec, Laurent Cauquil, Thierry Gidenne. Influence of cage or pen housing on carcass traits and meat quality of rabbit. animal, Cambridge University Press (CUP), 2010, 4, pp.295-302. ⟨10.1017/S1751731109991030⟩. ⟨hal-02662629⟩



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