Effect of Dietary Supplementation of Cinnamon (Cinnamomum cassia) Powder and Synbiotic as Alternative to Antibiotic Growth Promoter on the Performance and Carcass Characteristics of Broilers
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Date
2018
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Rajasthan University of Veterinary and Animal Sciences, Bikaner
Abstract
The present study was carried out on broilers chickens with an objective to investigate the effect of supplementation of herbal feed additive Cinnamomum cassia powder and natural growth promoter synbiotic either alone or in combination on the growth performance, haemato-biochemical parameters, carcass characteristics and economics. A 42 day feeding trial was conducted on 300 day old Vencobb broiler chicks under standard feeding and managemental conditions with broiler starter (0-21 days) and finisher (22-42 days) ration. All the chicks were randomly distributed into five dietary treatment groups of 60 chicks with three replicates having 20 chicks each. The treatments included the T1 (control), T2 (Bacitracin methylene disalicylate) @20 gm/ quintal of feed, T3 (Cinnamon powder) @ 250 gm/ quintal of feed, T4 (Synbiotic) @ 50 gm /quintal of feed for 7 days and then @ 25 gm/quintal of feed and T5 (cinnamon $ synbiotic) at the same dose rate as above. Overall feed consumption and feed conversion ratio (0-VI weeks) were recorded significantly (P < 0.01) lower in treatment groups T3, T4 and T5 as compared to control group. Overall feed consumption and feed conversion ratio (0-VI weeks) were found better in group T5. Results revealed that body weight, average daily 142
gain and body weight gain were significantly (P < 0.01) higher in T3, T4 and T5 treatment groups than control group with highest in T4 group.
Non-significant effect of cinnamon and synbiotic alone or in combination was observed on haemoglobin and packed cell volume on 21st day of age but significant (P<0.05) effect was observed on 42nd day in T4 and T5 groups. Values obtained for serum glucose revealed nonsignificant effect. Substantial increase in serum protein, albumin and creatinine values was found in synbiotic supplemented group. Significantly (P<0.01) lower value of triglycerides and cholesterol were recorded in T4 and T5 groups than control group. Serum AST and ALT values revealed insignificant effect among all treatment groups. It was observed that carcass traits including dressing per cent, eviscerated weight per cent, liver per cent and gizzard per cent did not differ significantly but heart per cent differed significantly (P<0.05). The overall giblet weight per cent revealed significant (P<0.05) variation between control and T4 group broilers. Results revealed that pH of intestinal content was significantly (P<0.01) lower in T4 group than all other groups. Better livability was found in T4 and T5 groups as compared to the control and all other groups. Net profit per broiler, EE, REE and EPEF were found to be higher in broiler chicks of group T4 as compared to all other groups, which suggests that supplementation of synbiotic either alone or in combination with cinnamon in broiler ration, enhance the performance of broilers without any harmful effect on their health.
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