Clostridium perfringens-Associated Necrotic Enteritis-Like Disease in Coconut Lorikeets (Trichoglossus haematodus).

Veterinary Pathology
Llorenç Grau-RomaHorst Posthaus

Abstract

Several outbreaks of necrotic enteritis-like disease in lorikeets, from which Clostridium perfringens was consistently isolated, are described. All lorikeets had acute, segmental, or multifocal fibrinonecrotizing inflammatory lesions in the small and/or the large intestine, with intralesional gram-positive rods. The gene encoding C. perfringens alpha toxin was detected by PCR (polymerase chain reaction) on formalin-fixed, paraffin-embedded (FFPE) tissues in 20 out of 24 affected lorikeets (83%), but it was not amplified from samples of any of 10 control lorikeets (P < .0001). The second most prevalent C. perfringens toxin gene detected was the beta toxin gene, which was found in FFPE from 7 out of 24 affected lorikeets (29%). The other toxin genes were detected inconsistently and in a relatively low number of samples. These cases seem to be associated with C. perfringens, although the specific type involved could not be determined.

References

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Dec 19, 2003·Avian Pathology : Journal of the W.V.P.A·Yoshiji AsaokaToshiaki Masegi
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Jan 27, 2015·Avian Diseases·Marta Brito GuimarãesTerezinha Knöbl
Apr 7, 2018·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Miriam Leipig-RudolphStefan Unterer
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Jun 9, 2018·Anaerobe·Francisco A UzalBruce A McClane
Apr 3, 2020·Journal of Avian Medicine and Surgery·Mariele de SantiKarin Werther

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Methods Mentioned

BETA
PCR

Software Mentioned

GraphPad Prism

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