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Abstract
Avian coccidiosis is a disease that is universally found wherever chickens are raised. Estimates of annual losses due to coccidiosis in USA amount 200 million dollars in addition to about 80 million dollars spent on preventive medication , and 2 dillion dollars annually to the poultry industry world -wide.
So, Aim of the work:-
1-Evaluation of some techniques for diagnosis of coccidiosis in broiler chickens. 2-Measures for control o coccidiosis by immunization. 3-Comparison between some immunization regimes and their protection value.