الفهرس 
AbstractOnly 14 pages are availabe for public view
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Abstract
Twelve broiler farms in different governorates (sixwere vaccinated with coccivac - B and six used different anti - coccidial drugs) were used for comparing efficacy of anti - coccidial drugs versus to anticoccidial - vaccine as preventive measure against coccidiosis in broilers .Criteria for evaluation were clinical signs DROPping score and mean lesion score at 21 ͭ ͪ , 28 ͭ ͪ days of age
and day before slaughter mortality % and production index at the end of production.