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One hundred and twenty unsexed day-old Cobb 500™ commercial broiler chicks were randomly allocated into five dietary treatments, and each treatment had three replications with 8 birds per replication in a completely randomized design for a five-week trial. The five dietary groups were as follows: G 0 (control group), G 1 basal diet+0. 5% dried ginger (DG), G 2 basal diet+1% DG, G 3 basal diet+0. 5% fermented ginger (FG) and G 4 basal diet+1% FG. The results demonstrated substantial (p < 0. 05) improved feed conversion ratio (FCR) at the G 1 birds, and average daily feed intake (ADFI) was significantly (p < 0. 05) higher in G3 group during the 3rd week of age. Throughout the experiment, dietary treatments had no significant effect on the average daily gain (ADG) of birds. Significantly higher (p < 0. 05) dressed weight, breast meat weight, and spleen weight were found in all the dietary supplemented birds compared with the control. Dietary treatments did not significantly affect p H, drip loss, and cooking loss percentage of breast meat. The G3 group showed significantly higher (p < 0. 05) dry matter (DM %) and ether extract (EE %), as well as G1 group showed a substantial increase in DM% of the breast meat. Meat Thiobarbituric Acid Reactive Substances (TBARS) were significantly (p < 0. 05) suppressed in DG and FG supplemented birds than control during the 10th day of meat storage. Serum high-density lipoprotein (HDL) levels were significantly (p < 0. 05) inclined in G 2 and G 4 groups but declined in G 3 group. Apparent ileal digestibility (AID) for DM, CP, EE and ash was significantly improved (p < 0. 05) in the G 3 group. The Lactobacilli populations in cecal contents were significantly higher (p < 0. 05), whereas lower levels of Escherichia. coli were found in DG and FG supplemented birds. Therefore, the study recommends supplementation of 0. 5% DG, and both 0. 5 and 1% FG have a beneficial effect on growth performance and serum lipid indices, nutrient digestibility with healthier gut environment of broiler.
Bhowmik et al. (Tue,) studied this question.