TY - GEN AU - Essam AbouWarda Mohamed AU - Elham Elkhashab , AU - Jakeen K.A.Aljaky , AU - Youssef Ibrahim Youssef , TI - Studies on emerging diseases and their effect on EGG production and hatchability in broiler breeders in Egypt / PY - 2003/// CY - Cairo : PB - Essam AbouWarda Mohamed , KW - Avian leukosis typej KW - Broiler breeders KW - Performance chart N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Veterinary Medicine - Department Of Animal Diseases; Issued also as CD UR - http://172.23.153.220/th.pdf ER -