Difference between revisions of "Chicken Anaemia Virus Disease Flashcards"
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Levels of infection can be estimated by the detection of raising antibody titres. | Levels of infection can be estimated by the detection of raising antibody titres. | ||
| − | Many diagnostic tests have been developed: immunoperoxidase staining, ELISA, PCR, indirect immunofluorescence | + | Many diagnostic tests have been developed: immunoperoxidase staining, ELISA, PCR, dot blot hybridisation, indirect immunofluorescence |
|l11=Chicken Anaemia Virus Disease#Diagnosis | |l11=Chicken Anaemia Virus Disease#Diagnosis | ||
|q12=What can be found on postmortem? | |q12=What can be found on postmortem? | ||
| − | | | + | |a13= |
*Severe atrophy of the lymphoid organs (thymus, bursa of Fabricius, and to a lesser extent the spleen). All become depleted of lymphocytes and reticular cells become hyperplastic. | *Severe atrophy of the lymphoid organs (thymus, bursa of Fabricius, and to a lesser extent the spleen). All become depleted of lymphocytes and reticular cells become hyperplastic. | ||
*Haemorrhages throughout the skeletal muscle and subcutaneous tissue | *Haemorrhages throughout the skeletal muscle and subcutaneous tissue | ||
*Pale watery yellow bone marrow - due to severe aplasia of the BM and the haematopoietic cells being replaced with adipose tissue | *Pale watery yellow bone marrow - due to severe aplasia of the BM and the haematopoietic cells being replaced with adipose tissue | ||
| − | | | + | |l13=Chicken Anaemia Virus Disease#Diagnosis |
|q13=What is the treatment for Chicken anaemia virus disease? | |q13=What is the treatment for Chicken anaemia virus disease? | ||
|a13= | |a13= | ||
Revision as of 22:32, 9 July 2011
| Question | Answer | Article | |
| What is Chicken anaemia virus disease (CAV) also commonly known as? |
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Link to Article | |
| What are the virus properties? |
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Link to Article | |
| What family does CAV belong to? | Circoviridae
|
Link to Article | |
| What chemicals destroy the virus? |
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Link to Article | |
| Is Chicken anaemia virus disease considered to be a zoonosis? | No
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Link to Article | |
| What species of birds does the CAV infect? |
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Link to Article | |
| What are the clinical signs of Chicken Anaemia Virus Disease? | Clinical signs include:
Neurological signs include:
Clinical signs are dependent on the age of the bird. Chicks develop clinical signs within two weeks of hatching if infected via vertical transmission. Chicks older than 14 days old do not show any clinical signs if infected via horizontal transmission. |
Link to Article | |
| How is Chicken anaemia virus disease transmitted? |
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Link to Article | |
| What is the mortality rates within the flock? |
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Link to Article | |
| What is the distribution of CAV? | Worldwide - distribution including commercial poultry and specific pathogen free (SPF) flocks.
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Link to Article | |
| How do you diagnose Chicken anaemia virus disease? |
Levels of infection can be estimated by the detection of raising antibody titres. Many diagnostic tests have been developed: immunoperoxidase staining, ELISA, PCR, dot blot hybridisation, indirect immunofluorescence |
Link to Article | |
| What can be found on postmortem? | [[|Link to Article]] | ||
| What is the treatment for Chicken anaemia virus disease? | There is no specific treatment for infected birds with this virus; culling is likely to be the most appropriate option for commercial flocks. |
Link to Article | |
| How is Chicken anaemia virus disease controlled? | Vaccination of breeding hens with both live attenuated and wild vaccines reduces the vertical transmission rate. At a farm level rigorous cleaning with hypochlorite, iodoform or formalin is recommended and biosecurity is important to try and erradicate on farm infections. |
Link to Article | |