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A p p e a r a n c e
F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
Tremovirus epidemic tremor , is a virus genus belonging to the Picornaviridae [2] Tremovirus A , which is also called Avian encephalomyelitis virus , and Tremovirus B . The first avian picornavirus to have its genome sequenced ,[3] tremor in chickens .
Tremovirus is of economic importance to chicken farmers because it causes a drop in egg production in laying hens, and neurological diseases in chicks less than three weeks old.
The domestic host is the chicken , but it can also infect partridge , turkeys , quail , guineafowl , and pheasants . It has a worldwide distribution.[4]
The virus can be spread by both vertical and horizontal transmission . It is not a zoonosis , meaning that it cannot be transmitted to humans.
Symptoms and diagnosis [ edit ]
Neurological signs such as ataxia , tremor of the head and neck, drooping wings, weakness , paralysis , exercise intolerance and blindness are seen in chicks less than 3 weeks old. In laying hens the disease causes a temporary reduction in egg production. [citation needed
Antibodies can be detected using an ELISA or virus neutralisation. Definitive diagnosis of the disease is by histopathology or virus isolation.[5]
Treatment and control [ edit ]
Currently, no treatment is available, but chicks that survive infection are immune. Control is achieved by vaccination of the flock. The vaccine can be administered via inoculation of the wing web, by drinking water or eyedrops, though eyedrop administration is much more effective. Mortality ranges from 25–60% and surviving animals are considered nonprofitable.[citation needed
Taxonomy [ edit ]
The genus Tremovirus contains two species:[6]
References [ edit ]
^ Marvil, P; Knowles, NJ; Mockett, AP; Britton, P; Brown, TD; Cavanagh, D (1999). "Avian encephalomyelitis virus is a picornavirus and is most closely related to hepatitis A virus" . J Gen Virol . 80 ( Pt 3) (3 ): 653–62. doi :10.1099/0022-1317-80-3-653 PMID 10092005 .
^ Avian encephalomyelitis virus Archived 2012-03-21 at the Wayback Machine at Picornaviridae.com (retrieved September 14, 2011
^ The Picornavirus Avian Encephalomyelitis Virus Possesses a Hepatitis C Virus-Like Internal Ribosome , Journal of Virology
^ Avian Encephalomyelitis WikiVet , accessed 10 October 2011.
^ "Virus Taxonomy: 2020 Release" . International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 20 May 2021 .
Tremovirus A
Tremovirus
Avian encephalomyelitis virus
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Tremovirus&oldid=1136463435 " C a t e g o r i e s : ● P o u l t r y d i s e a s e s ● B i r d d i s e a s e s ● P i c o r n a v i r i d a e ● A n i m a l v i r a l d i s e a s e s ● V i r u s g e n e r a ● A n i m a l v a c c i n e s H i d d e n c a t e g o r i e s : ● C S 1 : l o n g v o l u m e v a l u e ● W e b a r c h i v e t e m p l a t e w a y b a c k l i n k s ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n i s d i f f e r e n t f r o m W i k i d a t a ● A r t i c l e s w i t h ' s p e c i e s ' m i c r o f o r m a t s ● A l l a r t i c l e s w i t h u n s o u r c e d s t a t e m e n t s ● A r t i c l e s w i t h u n s o u r c e d s t a t e m e n t s f r o m N o v e m b e r 2 0 2 2 ● T a x o n b a r s w i t h f r o m 2 m a t c h i n g a r t i c l e t i t l e ● T a x o n b a r s w i t h m u l t i p l e m a n u a l W i k i d a t a i t e m s
● T h i s p a g e w a s l a s t e d i t e d o n 3 0 J a n u a r y 2 0 2 3 , a t 1 2 : 4 1 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
