Selection for improving egg mass in Alexandria strain chickens [microform]/
الأنتخاب لتحسين كتلة البيض فى دجاج سلالة الأسكندرانى.
Osama Mahmoud Aly Ahmed.
- 19992.
- 104,2Leaves : ill. ; 30 cm.
Thesis (M.S.)--Alexandria University,1992.
Includes bibliographical references (leaves80-104 )