Effects of Supplemental Various Levels of Chinese Traditional Herbal Medicine Complex on the Growth Performance, Immunity, Serum Traits and Meat Quality of Simulated Taiwan Country Chickens
Journal Title: Journal of Animal Science Advances - Year 2012, Vol 2, Issue 1
Abstract
This study was aimed to investigate the effects of different dosages of Chinese traditional herbal complex medicine supplementation on the growth performance, immunity, serum traits and meat quality of simulated Taiwan country chickens, so as to determine the feasibility of antibiotic replacement. Two hundred (1 day-old) of the simulated Taiwan country chickens, allotted to 5 groups with 4 replicates were supplemented with 0, 0.3, 0.5 and 0.7% Chinese traditional herbal medicine (CHM) and antibiotics (oxytetracycline 100 ppm). Feed and water were provided ad libitum during the 14 weeks of the experiment. Experimental results showed that both average daily weight gain and feed/gain ratio in the 0.3% CHM group to be better than in the control group (P<0.05), whereas the 0.5 and 0.7% supplemental groups in ADG were less than for the control and antibiotics groups, although the feed/gain ratio was still better. The level of r-globulin was increased by adding CHM groups, but it was still lower than the antibiotics group. Serum triglycerides were decreased by adding CHM groups (P<0.05). The 0.3% CHM group increased the degree of PHA skin challenge (P<0.05). ND and SRBC antibody titers were increased by CHM supplementation, and 0.5% CHM group enhanced the IgG level than the control group (P<0.05). The water holding capacity of the chickens in the 0.5 and 0.7% CHM supplemental groups was better than in the control and antibiotics groups (P<0.05), while CHM groups were higher in Hunt a value, and the 0.3% group also showed a higher b value than the antibiotics group (P<0.05). The pH1 value of thigh muscle in the 0.3 and 0.7% CHM groups was higher than for the control and antibiotics groups (P<0.05). In sensory evaluation, the taste of thigh muscle in the 0.5 and 0.7% CHM groups was better than in the antibiotics group (P<0.05), and the flavor, juiciness and total acceptability of the 0.3 and 0.5% CHM groups as better than in the antibiotics group (P<0.05). All test parameter of breast muscle were no difference among the groups (P>0.05). In conclusion, this study demonstrated the positive effects of supplementation Chinese traditional herbal complex medicine to simulated Taiwan country chickens’ diet, with a supplement of 0.3% CHM allowing for these positive effects.
Authors and Affiliations
T. Y. Li, J. R. Yang, H. S. Yeh, T. F. Lien
Keywords
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