broiler chicken


The present study was carried out to evaluate the effect of supplementation of ethanol extract of chives (CE), ginger extract (GE) and their combination in the diets of broiler chickens on growth, health performance and economic efficiency.

A total of 180 1-d-old male Ai Cap broiler chicks were randomly assigned to six dietary treatments each with three replicates of 10 chicks per replicate (n=30), in which control treatmentt (CT) contained neither ginger nor garlic; birds in T1, T2, T3, T4 and T5 group were fed diets containing 0.5% CE, 1% CE, 0.5% GE, 1% GE and a combination of 0.5% CE and 0.5% GE, respectively. From 7w old of experiment, body weight gain (g/bird) was found to be significantly (p<0.05) higher in T2 compared to others. FCR was significantly (p<0.05) lower in T5 (2.67) compared to CT. In general, supplementation of CE and GE did not significantly affect to feed consumption, performance efficiency index (PEI), mortality, and respiratory syndrome in chickens. In addition, herb extracts could reduce the incidence of diarrhea symptom in broiler chickens during 5-10 weeks of age. Evaluation of the morphology of small intestine mucosa showed that the length of villi and cryptal depth improved significantly (p<0.05) in T2 and increased the diameter of villi in the T5.

In general, supplementation of CE (1%) and combination (0.5% CE and 0.5% GE) improve the productive performance of broilers, and can be a viable alternative to an antibiotic growth promoter in the feeding of broiler chicken.


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