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May 23, 2013, 11:12am

Fowl Facts Information Center :: Frequently Asked Questions :: Disease / Illness / Affliction :: Turkey Rhinotracheitis Virus

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Topic: Turkey Rhinotracheitis Virus (Read 676 times)

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Turkey Rhinotracheitis Virus
« Thread Started on Jul 31, 2005, 5:58pm »

TURKEY RHINOTRACHEITIS VIRUS

Pneumovirus (in the family paramyxoviridae).
Also seen in chickens.
Secondary E.coli infections can increase mortality.

Transmission:
Direct contact, and possibly also aerosol and fomite transfer
.
Clinical signs:
Growing – Respiratory signs (rales, sneezing, frothy nasal discharge, foamy conjunctivitis, swelling of infraorbital sinuses, submandibular edema).
Laying – Reduced feed consumption and decreased egg production.
Chickens (broilers) – Mild respiratory signs followed by swollen heads.

Necropsy:
Isolate from respiratory tissues. ID by electron microscopy or virus neutralization with reference antiserum.
Antibodies detected by ELISA or indirect immunoflorescence.

Prevention and control:
Live and inactivated vaccines are available.
Broad spectrum antibiotics will minimize contribution of secondary infections.

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This is an Infomation Site Only
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Re: Turkey Rhinotracheitis Virus
« Reply #1 on Oct 23, 2005, 1:54pm »

AVIAN RHINOTRACHEITIS (ART)

Also known as:
TRT and Swollen Head Syndrome (SHS)

Symptoms:
bubbles in the corner of the eye
swollen sinuses
swikken tracheitis

Symptoms in breeders:
interference with egg production
reduced hatchability

Secondary infection:
causing severe airsaculitis
and colibacillosis is common especially in older birds for slaughter.

Symptoms in Broiler Breeder:
flocks torticollis is a common finding and must be differentiated from Newcastle Disease as the cause.

Treatment:
Treatment unreliable and difficult.
Live and inactivated vaccines are now available

Postmortem Findings:

******
Cause:
A pneu-movirus infection in turkeys and chickens affecting birds from about 10 days of age to end of laying life.

Disease now widespread and causes disease in chicken.

References taken from:
A to Z Poultry Disease Index http://www.tripod.com

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