Risk of botulism in cattle and sheep arising from contact with broiler litter

Otter, A.; Livesey, C. T.; Hogg, Robert; Sharpe, R. T.; Gray, D.G.

doi:10.1136/vr.159.6.186

Cited by 20 publications

(11 citation statements)

References 3 publications

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“…Similar failures to detect toxin in affected cattle or to identify the contaminated component of the diet have been reported in suspected cases of botulism (Trueman and others 1992, Ainsworth and Christie 1996, Cobb and other 2002, Otter and others 2006). Galey and others (2000) claimed that it is often difficult to make a definitive diagnosis of botulism because circulating toxin levels are often low, source material may be absent and available analytical methods (such as bioassay) are of insufficient sensitivity.…”

Section: Discussionsupporting

confidence: 60%

Major outbreak of suspected botulism in a dairy herd in the Republic of Ireland

Sharpe¹,

Brady²,

Byrne³

et al. 2008

Veterinary Record

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Section: Discussionsupporting

confidence: 60%

Major outbreak of suspected botulism in a dairy herd in the Republic of Ireland

Sharpe¹,

Brady²,

Byrne³

et al. 2008

Veterinary Record

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“…Further research on the asymptomatic carriage of type D/C C. botulinum by poultry would help to better assess the risk of exposure of cattle to C. botulinum spores associated with poultry litter. In any event, recommendations for ruminant and poultry farmers on the safe storage and disposal of poultry litter and the proper preparation of silage are still needed to prevent further cattle botulism outbreaks [37].…”

Section: Discussionmentioning

confidence: 99%

A large outbreak of bovine botulism possibly linked to a massive contamination of grass silage by type D/CClostridium botulinumspores on a farm with dairy and poultry operations

et al. 2017

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Type D bovine botulism outbreaks associated with poultry litter are increasingly reported in European countries, but the circumstances of exposure to Clostridium botulinum toxins remain unclear. In spring 2015, a large type D/C bovine botulism outbreak affected a farm with dairy and poultry operations. Epidemiological and laboratory investigations strongly suggest that the outbreak was caused by feeding cattle with insufficiently acidified grass silage that was contaminated by type D/C C. botulinum spores. The source of the spores remains unclear, but could have been a stack of poultry litter stored in the grass silage pasture before harvesting. The presence of putrefied poultry carcasses mixed in with the litter is relatively unlikely considering the careful daily removal of poultry carcasses. These findings reinforce the importance of proper ensiling of feed materials and highlight the need for safe disposal of poultry litter, even in the case of good management of poultry deadstock, in order to prevent bovine botulism.

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“…Botulism outbreaks caused by indirect or direct contamination of feed by poultry litter had already been presumed and described by several authors [8,13,15,16,26,27]. Other authors have described type C botulism in cattle that had been fed ensiled poultry litter as an additive, or cases where the animals had free access to poultry litter [28][29][30].…”

Section: Discussionmentioning

confidence: 99%

“…botulinum in protein-rich substrates in favourable conditions (temperature between 25 °C and 30 °C, pH value > 4.5, anaerobiosis) [6,12]. Botulism cases in cattle are also linked to contamination of feed by poultry litter [13][14][15][16]. Table 1: Number and age of the animals concerned as well as morbidity and fatality rates in relation to the botulism case described Pathology A pathological post-mortem examination was conducted on one cow.…”

Section: Historymentioning

confidence: 99%