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1.
Acta sci. vet. (Impr.) ; 50(suppl.1): Pub.753-4 jan. 2022. ilus
Artigo em Português | VETINDEX | ID: biblio-1458561

Resumo

Background: Botulism is a disease caused by the ingestion of neurotoxin produced by Clostridium botulinum, characterizedby flaccid paralysis, which can lead to high mortality. They have seven types of neurotoxins (A, B, C, D, E, F, and G) and,in birds, most cases are attributed to type C. They are considered sources of botulinum toxins where the decomposition oforganic matter occurs, like stagnant water and rotting food. The main feature of the disease in birds is ascending symmetricflaccid paralysis. The present study aims to describe an outbreak of type C botulism in backyard poultry in the state ofSanta Catarina, Southern Brazil.Case: A visit was made to the property with 160 backyard poultry with a history of high mortality in the municipality ofAgrolândia, Santa Catarina. Clinical signs were characterized by paralysis of the pelvic limbs, neck and pendular wings,which progressed to death within 48 h. There was a mortality rate of 37.5% (60/160) between March and May 2019. Thesebirds were kept in an overcrowded environment, with different species (chickens, ducks, teals, and turkeys) fed irregularly.The water supplied was provided from kitchen exhaust, accumulating in puddles on the floor that contained organic matterresidues such as animal feces, food waste and bone fragments. The disposal of the carcasses of birds that died was in thesame enclosure, buried superficially, facilitating the access of other birds to dig them up and consume them. Necropsywas performed on 2 chickens and one duck, no macroscopic or histopathological lesions were observed. Blood, liver, andgastrointestinal content samples were sent for research and identification of botulinum toxin through the serum neutralization test in mice. The presence of type C botulinum toxin was confirmed in the liver chicken of one sampled animals.Discussion: The identification of type C botulism toxin enabled the characterization of the outbreak, which is...


Assuntos
Animais , Botulismo/epidemiologia , Botulismo/veterinária , Clostridium botulinum tipo C/isolamento & purificação , Galinhas/microbiologia , Neurotoxinas , Brasil , Surtos de Doenças/veterinária
2.
Acta sci. vet. (Online) ; 50(suppl.1): Pub. 753, 15 fev. 2022. ilus
Artigo em Português | VETINDEX | ID: vti-765212

Resumo

Background: Botulism is a disease caused by the ingestion of neurotoxin produced by Clostridium botulinum, characterizedby flaccid paralysis, which can lead to high mortality. They have seven types of neurotoxins (A, B, C, D, E, F, and G) and,in birds, most cases are attributed to type C. They are considered sources of botulinum toxins where the decomposition oforganic matter occurs, like stagnant water and rotting food. The main feature of the disease in birds is ascending symmetricflaccid paralysis. The present study aims to describe an outbreak of type C botulism in backyard poultry in the state ofSanta Catarina, Southern Brazil.Case: A visit was made to the property with 160 backyard poultry with a history of high mortality in the municipality ofAgrolândia, Santa Catarina. Clinical signs were characterized by paralysis of the pelvic limbs, neck and pendular wings,which progressed to death within 48 h. There was a mortality rate of 37.5% (60/160) between March and May 2019. Thesebirds were kept in an overcrowded environment, with different species (chickens, ducks, teals, and turkeys) fed irregularly.The water supplied was provided from kitchen exhaust, accumulating in puddles on the floor that contained organic matterresidues such as animal feces, food waste and bone fragments. The disposal of the carcasses of birds that died was in thesame enclosure, buried superficially, facilitating the access of other birds to dig them up and consume them. Necropsywas performed on 2 chickens and one duck, no macroscopic or histopathological lesions were observed. Blood, liver, andgastrointestinal content samples were sent for research and identification of botulinum toxin through the serum neutralization test in mice. The presence of type C botulinum toxin was confirmed in the liver chicken of one sampled animals.Discussion: The identification of type C botulism toxin enabled the characterization of the outbreak, which is...(AU)


Assuntos
Animais , Botulismo/epidemiologia , Botulismo/veterinária , Clostridium botulinum tipo C/isolamento & purificação , Neurotoxinas , Galinhas/microbiologia , Brasil , Surtos de Doenças/veterinária
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