期刊
PESQUISA VETERINARIA BRASILEIRA
卷 37, 期 7, 页码 697-700出版社
REVISTA PESQUISA VETERINARIA BRASILEIRA
DOI: 10.1590/S0100-736X2017000700008
关键词
Botulism; buffaloes; Bubalus bubalis; Amazon; Clostridium botulinum; BoNT; mice bioassay
Botulism is a poisoning caused by botulinum neurotoxins (BoNTs). BoNTs serotypes C and D are involved in botulism outbreaks in cattle in several countries. Despite the high number of buffaloes worldwide, the real impact of botulism in buffaloes is not known, because it is not a notifiable disease in Brazil and only few studies have evaluated the occurrence of the disease in buffaloes. Those studies did not conduct diagnostic tests to confirm the presence of BoNTs. The objective of the present study was to describe three outbreaks of botulism in buffaloes in the Brazilian Amazon region considering epidemiological and clinical data as well as laboratory diagnosis to confirm the presence of BoNTs. The results of the bioassay were negative in the tissues and in feed samples, but positive for BoNT C in water samples. Confirmation of the occurrence of botulism in buffaloes allows the implementation of preventive strategies in susceptible herds. Waterborne botulism in buffaloes is prevented by ensuring the constant circulation of water collections and restricting the presence of dead animals and bones in order to prevent the accumulation of organic matter and the development of anaerobic conditions, which might favor the replication of Clostridium botulinum. Another measure that can be adopted is the shading of the pasture, in order to maintain the thermal comfort for the buffaloes and to avoid the excess of permanence of them in the water pools.
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