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. 2017 Jun;58(6):601-603.

Bovine astrovirus infection in feedlot cattle with neurological disease in western Canada

Senija Selimovic-Hamza  1 , Sergio Sanchez  1 , Hélène Philibert  1 , Edward G Clark  1 , Torsten Seuberlich  1
Affiliations

Bovine astrovirus infection in feedlot cattle with neurological disease in western Canada

Senija Selimovic-Hamza et al. Can Vet J. 2017 Jun.

Abstract
in English, French

A novel bovine astrovirus (BoAstV CH13/NeuroS1) has been associated with encephalitis in cattle in Europe and the USA. We retrospectively analyzed feedlot cattle with encephalitis of unknown etiology for this virus by in-situ hybridization. Results suggest that BoAstV CH13/NeuroS1 is a major cause of encephalitis in western Canadian feedlot cattle.

Infection par l’astrovirus bovin chez les bovins de parcs d’engraissement atteints d’une maladie neurologique dans l’Ouest canadien. Un nouvel astrovirus bovin (BoAstV CH13/NeuroS1) a été associé à l’encéphalite chez les bovins en Europe et aux États-Unis. Nous avons effectué une analyse rétrospective des bovins des parcs d’engraissement atteints d’encéphalite d’étiologie inconnue pour ce virus à l’aide d’une hybridation in situ. Les résultats suggèrent que BoAstV CH13/NeuroS1 est une cause majeure d’encéphalite chez les bovins des parcs d’engraissement dans l’Ouest canadien.(Traduit par Isabelle Vallières).

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Figures

Figure 1
Figure 1
Detection of BoAstV CH13/NeuroS1 in brain sections by RNA in-situ hybridization. A — Case 23, midbrain and B — case 31, cerebral cortex with strong dark purple positive labeling of neurons; C — Case 37, cerebellum; the granular layer shows a strong neuronal positive RNA labelling in almost all granular cells (asterisk); D — BoAstV Ch13/NeuroS1 negative case 8, brainstem; E — BoAstV CH13/NeuroS1 negative control; F — BoAstV CH13/NeuroS1 positive control.
See this image and copyright information in PMC

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