A study of the foodborne pathogens: Campylobacter, Listeria and Yersinia, in faeces from slaughter-age cattle and sheep in Australia.
2003
In a study of faeces from 475 slaughter-age cattle and sheep from 19 herds or flocks, Campylobacter species (C. jejuni and C. coli) were cultured from all production systems studied and from 73.7 per cent (14/19) of herds or flocks.Within individual properties there was a higher prevalence in cattle than in sheep, with Campylobacter being most commonly isolated from feedlot cattle. The median prevalences and ranges were: for dairy cattle, six per cent (0‐24%), feedlot beef cattle, 58 per cent (12‐92%) pasture beef cattle, two per cent (0‐52%), mutton sheep, 0 per cent (0‐4%) and prime lambs eight per cent. Listeria ivanovii was cultured from one dairy cow but Yersinia enterocolitica was not cultured from any animal. Campylobacter is the leading bacterial causative agent of acute diarrhoea in humans in many industrialised countries. While the role of cattle and sheep in producing human campylobacteriosis either directly or via contaminated food, remains to be epidemiologically clarified, this study suggests that the production system, particularly for cattle, may be an important consideration. Commun Dis Intell 2003;27:249‐257.
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