Abstract
Summary Coccidiosis is a parasitic disease of poultry that results in an increased morbidity and mortality. The resistance against coccidial drugs has urged the researchers to explore alternatives for disease control. Here, the effects of a prebiotic (Mannan-oligosaccharides), a probiotic mixture, neem ( Azadirachta indica) fruit powder and a commercial coccidiostat (diclazuril) were compared after coccidial infection in broiler chickens. A total of 250 day-old chicks were randomly divided into 5 treatment groups, which were fed on basal diet (control group), basal diet + 0.5% diclazuril (diclazuril group), basal diet + 0.1% probiotic (probiotic group), basal diet + 0.1% Mannan-oligosaccharides (prebiotic group) and basal diet + 0.3% neem fruit powder (neem group). on d 14 of the study, each bird was challenged with 10 4 viable sporulated E. tenella oocysts. The performance of broilers, oocyst per g (OPG) of faeces and caecal lesion score were determined.
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