TY - GEN AU - Mahmoud AbdElaty Mahmoud Khalf AU - Hussien AbedElhay Ka - oud , AU - Shreif Tawfek Moubarak , TI - Study on the causes of biosecurity failure in some reising farms broiler farms / PY - 2007/// CY - Cairo : PB - Mahmoud AbdElaty Mahmoud Khalf , KW - Biodecurity KW - Broiler poultry KW - Disinfection N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Veterinary Medicine - Department Of Veterinary Hygiene and Management; Issued also as CD N2 - The study applied on 20 broiler farms in period from june 2006 to may 2007 to study the causes of biosecurity failure in some raising farms (Broiler farms) , the end result revealed that.1 - the importance of biosecurity in poultry production UR - http://172.23.153.220/th.pdf ER -