Abstract
The current study was undertaken at University Poultry Farm, Anand to know the comparative efficacy of commonly used coccidiostats on oocyst index, growth and feed parameters in Cobb-400 strain of broilers. Fifty chicks T1, T2, T3 and T4 groups were given Diclazuril (0.1%), Salinomycin (12%), Diclazuril (0.1%) + Salinomycin (12%) in shuttle programme and Maduramicin (1%) at a dose rate of 100 g, 50 g, 100 + 50 g and 50 g per 100 Kg broiler feed as coccidiostat, respectively. One group of 50 chicks will be kept as infected control (T5) and another group of 50 chicks will be kept as uninfected control (T6) without coccidiostat in feed. Oocyst Index value indicates better efficacy of T4 and T2 as compared to T1 and T3 group and T4 group showed highest body weight gain followed by T2, T1 and T3 group after experimental infection of E. tenella on 22nd of age. At the end of six weeks, significantly highest feed consumption was observed in T2 group followed by T4, T3 and T1 group. Over all FCR value were found lowest in T4 group followed by T1, T2, and T3. Significantly highest FCR (2.42 ± 0.01) was observed in T5 group and lowest (1.97 ± 0.51) in T6 group among all groups signifying better efficacy of Maduramicin followed by Diclazuril. This is the first time study undertaken in middle Gujarat to access the efficacy of commonly used coccidiostats in E. tenella infection in broiler chickens.
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