Ashenafi

Introduction Avian leucosis virus (ALV) is belonging to the family Retroviridae, subfamily ortho retrovirinae, genus Alpha retrovirus. Exogenous avian leucosis viruses(ALV) are classified into A,B,C,D and J subgroups based on their host range, cross neutralization and viral interference. They can induce different path types of neoplastic diseases in chickens (Fadly and Payne. 2003). Among these su ...

INTRODUCTIONThe poultry industry is one of the most viable and popular agricultural business industries in Nigeria. The industry has been pitched on a solid ground such that it has become a means of livelihood in the rural and urban communities in the country. Presently, Nigeria poultry industry is valued at about 8 billion USD and is the most industrialized segment in the Nigeria livestock indust ...