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his investigation aimed to evaluate the effect of two housing types (closed and semi-closed), broiler breeder age and their interaction on broiler breeder performance during egg production (25-45 wks ofage), at a private local broiler breeder farm in Alexandria desert road. The results indicated that: Housing system significantly affected on body weight which was heavier in semi-closed compared to closed housing system. No significant difference in egg production, egg weight and feed consumption during egg production period of breeder under two housing system. Housing system significantly affected on mortality rate percentage of breeder during egg production period which was higher under closed housing type. Body weight, egg production, egg weight, feed consumption and mortality rate of female broiler breeders were significantly affected by breeder age. Generally, in most cases, the interaction between type of house and age of breeder hens for studied criteria were insignificant.

PRODUCTIVE PERFORMANCE OF HUBBARD CLASSIC BROILER BREEDER CHICKENS UNDER DIFFERENT HOUSING SYSTEMS