الفهرس 
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Abstract
A study on reproduction traits and other productive characters was carried on the rabbit flocks of the experimental station of the faculty of agriculture university of El-Mansoura. Observation was taken on litter size at birth and at weaning gestation period, mortality rate at 30 and 90 dayes of age on two breeds ; the white baladi and bauscat and their reciprocal crossbreds. The staduy lasted for three consecutive production seasons : 1975/1978. In the first two seasons 1975/77 the purebred progeny were produced, while in the third seasons 1977/78, the reciprocal crossbreds were obtained. The data were analyzed by method of the analysis of variance. The results and the main conclusions were summarized as follows :
1-litter size at birth or at weaning did not differ significantly between w. b. and B. However, there were significant difference between the purebreds and the crossbreds in that respect in the thired season.