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What viral disease is caused by Paramyxovirus type 1 and causes clinical signs of respiratory, deformed egg production, conjunctivitis, and encephalitis?
Exotic Newcastle Disease
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How is Exotic Newcastle Disease diagnosed? 3
- Oropharyngeal swab with Real-time PCR
- Paired serology
- Virus isolation in chick embryo
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How is Exotic Newcastle Disease controlled in the US?
Eradication
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What viral disease is caused by Orthomyxovirus (type A) has hemagglutinin subtypes H5 and H7?
Avian Influenza
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What are some clinical signs associated with low path avian influenza? 5
- Depression, respiratory
- Respiratory exudates
- Diarrhea
- Decreased egg production
- Hyperemia
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What are some clinical signs associated with high path avian influenza? 6
- Sudden onset high mortality
- Depression
- +/- Nervous signs
- Respiratory exudates
- Reproductive tract regression
- Vasculitis
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How is Avian Influenza diagnosed? 3
- Pharyngreal/Cloacal swabs with Real-time PCR
- Serology
- Antigen capture ELISA
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What organization helps monitor backyard and live market poultry for avian influenza?
National Animal Laboratory Health Network
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How is Avian Influenza controlled? 2
- Monitoring by serology and real-time PCR
- Eradication
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What viral disease is caused by a coronavirus resulting in coughing, sneezing, rales, nasal and ocular discharge, decline in egg production and mortality from secondary E. coli infection?
Infectious Bronchitis
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What are some lesions associated with Infectious bronchitis? 3
- Catarrhal inflammation of upper respiratory
- Swollen kidneys and uroliths
- Misshapen eggs
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How is Infectious bronchitis diagnosed? 3
- Visus isolation in chick embryo
- RT-PCR
- Serum neutralization, ELISA
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How is Infectious bronchitis controlled? 2
- Modified live vaccines (serotype strains Mass, Conn, Ark....)
- Inactivated vaccines used on hens
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What viral disease is caused by a herpesvirus and has clinical signs of marked dyspnea, coughing, head extension, watery eyes, conjunctiva, bloody mucous and blood on face and feathers?
Infectious Laryngotracheitis
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How is Infectious laryngotracheitis diagnosed? 3
- Histopathology
- Virus Isolation
- PCR
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How is Infectious laryngotracheitis controlled? 3
- Two live attenuated virus vaccines
- Vectored/recombinant vaccines
- CEO (chick embryo origin) vaccine (reverts to virulence, no good)
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What are the etiological agents behind Pullorum Disease? 2
- Salmonella pullorum
- Salmonella gallinarum
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What plan was put into action to prevent and control Pullorum Disease?
National Poultry Improvement Plan
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What is the result of Pullorum disease in suscpetible chicks and poultry? 2
- Fatal enteritis
- Septicemia
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What human pathogen can cause an inapparent infection in hens and transmitted to humans through the egg yolk?
Salmonella enteritidis
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If a farm tests positive for Salmonella enteritidis, what must be done?
Submit 1000 eggs (3 times at 2-week intervals)
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What common GI organism in poultry is found in poultry dust at a concentration of 1 million organisms/gram?
E. coli
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In what type of birds is E. coli a problem?
Psittacines
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