Commercial slaughtering of rusa deer (<em>Cervus timorensis russa</em>) in New Caledonia; System analysis and effect on carcass quality
S. Le Bel | M. Salas | D. Bourzat | B. Faye
A survey on the environment and disease conditions of deer (Cervus timorensis russa) slaughtering in New-Caledonia was set up during a deer export campaign in order to find answers to the increasing seizure of purpura-affected carcasses. Risk factors based on the animal husbandry system, animal handling and transport as well as slaughtering conditions were analyzed in an attempt to explain the presence of purpura and high pH levels. Out of 520 deer, 15% of the carcasses were condemned for purpura, 87% of the deer displayed a pH level over 6 and 48% a pH level over 6.5. In the case of slaughter-purpura, various analyses revealed inadequacies between the slaughter structure and the origin (i.e., farms in the process of intensifying) of the deer. For carcasses with pH levels above 6.5, a more complex phenomenon was revealed that included the amount of animal handling, housing of animals the night before slaughter and the presence of slaughter-purpura. Slaughtering conditions of rusa deer in Australia and red deer in New Zealand showed that the present system could be improved.
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