Titre :
|
Preslaughter hide status of cattle and the microbiology of carcasses
|
Auteurs :
|
J. Van Donkersgoed ;
K. Jericho ;
H. Grogan ;
B. Thorlakson
|
Type de document :
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article/chapitre/communication
|
Année de publication :
|
1997
|
Format :
|
p. 1502-1508
|
Langues:
|
= Anglais
|
Catégories :
|
INDUSTRIE AGRO-ALIMENTAIRE
|
Mots-clés:
|
CARCASSE
;
BETAIL
;
MARQUAGE
;
CONTAMINATION
;
MICROBIOLOGIE SANITAIRE
;
ABATTOIR
|
Résumé :
|
An assessment was made of the association between tag (mud, bedding, and manure) attached to hides of beef cattle at slaughter and bacterial deposition on carcasses. A total of 624 carcasses from 52 lots of cattle in southern Alberta from January to June 1996 were studied at a high-line-speed abattoir (HLSP) which processed 285 carcasses per h and at a slow-line-speed abattoir (SLSP) which processed 135 carcasses per h. Tag was quantitatively assessed on the belly, legs, and sides of 12 carcasses per lot by the same project worker (lot tag score) and for each incoming lot of cattle by plant personnel (plant lot tag score). Swabs (approximately 10 by 10 cm) were taken from the medial rump and sacrum immediately after hide removal and from the brisket and top of shoulder after carcass splitting. These samples were pooled for each carcass and aerobic mesophilic bacteria, coliforms, and Escherichia coli were enumerated.
|
Source :
|
Journal of Food Protection, vol.60, n°12
|