Botulism in cattle is reviewed in the present paper. General information concerning the aetiology and symptomatology of the disease is followed by a discussion of the epidemiological situation in the Netherlands. Since 1975 several outbreaks of botulism type C or D have occurred. Poultry litter in which toxic carcasses were present, was the most important source of the toxin. An increasing number of cases of botulism type D was reported in recent years, which was probably due to the fact that poultry is not susceptible to toxin type D and therefore the presence of type D toxin is difficult to recognise timely. In addition, atypical cases of type B botulism occurred in the Netherlands during the period from 1977 to 1978, which were caused by supplementary feeding of brewer's grains. Finally, the diagnostic problems, differential diagnosis, prevention, treatment and public health aspects are discussed.
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