ALV Related Retroviruses are a group of viruses that belong to the family Retroviridae. These viruses are commonly found in avian species and are known to cause various diseases in birds, including tumors and immunosuppression. Synonyms for ALV Related Retroviruses include avian leukosis virus, avian lymphoid leukosis virus, and avian leukosis-like virus. These terms refer to the same group of retroviruses that can infect and affect the lymphoid tissues of birds. Understanding the synonyms for ALV Related Retroviruses is essential for researchers, veterinarians, and bird enthusiasts to accurately communicate and share information about the virus and its impact on avian health.