Abstract
The study included 276 Awassi lambs born during the lambing season 2007 and 2008 and were maintained at College of Agriculture and Forestry Station, University of Mosul, and Animal Breeding Station, Mosul Al-Rashedia. The studied traits were : birth weight , body weight , body and fat tail dimensions namely (body length , heart girth , height at shoulder , height at hip , depth at shoulder , depth at hip , width at shoulder , width at hip , fat tail length , fat tail width and fat tail circumference) at weaning (4) , 6 and 8 months of ages . The effects of flock, year of lambing, age of dam, type of birth and sex of lamb on the above traits were investigated. The flock affect significantly (p
