Abstract:The study was conducted on (96) local sheep breeds of different ages and both gender reared in Basrah, Iraq. Suspected animals show signs of night blindness, abortion of pregnant ewes, diarrhea with passing of normal small fecal materials ,nervous sings (such as paralysis of skeletal muscles, blindness due to constriction of the optic nerve canal, convulsions encephalopathy). Moreover diseased animals were also show panting and changing of skin .The levels of vitamin A and Beta carotene were estimated by ELISA… Show more
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