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Microbiological quality of Australian sheep meat in 2004
Ist Teil von
Meat science, 2006-10, Vol.74 (2), p.261-266
Ort / Verlag
Oxford: Elsevier Ltd
Erscheinungsjahr
2006
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
The third national baseline microbiological survey of Australian sheep carcases and frozen boneless sheep meat was conducted in 2004. Carcases (
n
=
1117) sampled at 20 slaughter establishments were found to have a mean log total viable count (TVC, 25
°C) of 2.28 cfu/cm
2 and
Escherichia coli was isolated from 43.0% carcases with a mean log 0.03
cfu/cm
2 on positive samples. In samples from 10 boning (fabrication) plants (
n
=
560) the mean log TVC for frozen boneless sheep meat was 1.85
cfu/g and the mean log count for the 8.2% of samples with detectable
E. coli was 1.39
cfu/g.
E. coli O157:H7 was isolated from 6/1117 carcases and from 1/560 boneless samples.
Salmonella was isolated from 0/1117 carcases and from 3/560 samples of boneless product.
Campylobacter sp. were isolated from 4/1117 carcases and from 1/560 boneless samples. Coagulase positive staphylococci were isolated from 23.4% to 32.7% of carcases and boneless sheep meat samples, respectively, with positive samples having a mean log count of 0.93
cfu/cm
2 and 1.14
cfu/g, respectively. The low level of bacteria described here is consistent with a very low risk to human health due to bacterial hazards in Australian sheep meat.