Difference between revisions of "Avian Leukosis Virus"
Jump to navigation
Jump to search
m (Text replace - "Category:To_Do_-_Viruses" to "Category:To_Do_-_Clinical/Viruses") |
|||
| Line 13: | Line 13: | ||
**Hens whose eggs testing positive for antigen in albumin are removed from the flock | **Hens whose eggs testing positive for antigen in albumin are removed from the flock | ||
[[Category:Avian_Type_C_retrovirus]][[Category:Avian]][[Category:Poultry]] | [[Category:Avian_Type_C_retrovirus]][[Category:Avian]][[Category:Poultry]] | ||
| − | [[Category:To_Do_- | + | [[Category:To_Do_-_Clinical/Viruses]] |
Revision as of 12:14, 30 July 2010
 |
This article is still under construction. |
Antigenicity
3 subgroups of note:
- A and B are found in 10% of layers, causing occasional B cell leukosis
- J has been found in up to 40% of broilers causing up to 10% of deaths by myeloid tumors
Epidemiology
- All three subgroups are transferred vertically and horizontally
Control
- Selective breeding has now controlled the virus:
- Hens whose eggs testing positive for antigen in albumin are removed from the flock