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Necrotizing placentitis in a cow caused by Bacillus cereus/Placentite necrotizante em uma vaca por Bacillus cereus

This report described a case of necrotizing placentitis caused by Bacillus cereus in a cow associated with abortion and maternal lethality. The etiological diagnosis of placentitis by B. cereus was based on histopathology of placenta, cytology and bacterial isolation from intrauterine aminiotic flui...

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Bibliographic Details
Published in:Ciência rural 2021-06, Vol.51 (6), p.1
Main Authors: Rocha, Claudia Emanuela Viana, Magalhaes, Joao Paulo Leoncio, Mol, Juliana Pinto da Silva, Guedes, Andressa Cristine Borges, Costa, Erica Azevedo, Figueiredo, Henrique Cesar Pereira, Santos, Renato de Lima, Paixao, Tatiane Alves da
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Language:English
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Summary:This report described a case of necrotizing placentitis caused by Bacillus cereus in a cow associated with abortion and maternal lethality. The etiological diagnosis of placentitis by B. cereus was based on histopathology of placenta, cytology and bacterial isolation from intrauterine aminiotic fluid in retained placenta and further characterization of the pathogen by the MALDI-TOF. Although, B. cereus abortions are sporadic, the bacterium has the ability to release necrotizing toxins that can lead to placentitis, fetal death and abortion. Key words: Bacillus sp., placenta, infectious abortion, cattle. Este relato descreve a placentite necrotizante causada por Bacillus cereus em uma vaca associada a aborto e mortalidade materna. O diagnostico etiologico de placentite por B. cereus foi baseado na histopatologia da placenta, citologia e isolamento bacteriano partir do liquido aminiotico em placenta retida e identificagao do patogeno pela tecnica de MALDI-TOF. Embora abortos por B. cereus sejam esporadicos, a bacteria tern a capacidade de liberar toxinas necrotizantes que podem levar a placentite e aborto. Palavras-chave: Bacillus sp., placenta, aborto infeccioso, bovino.
ISSN:0103-8478
DOI:10.1590/0103-8478cr20200553