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Asian-Australas J Anim Sci > Accepted
doi: https://doi.org/10.5713/ajas.16.0847    [Accepted]
Evaluation of mango saponin in broilers: Effects on growth performance, carcass quality, meat quality and plasma biochemical indices
Yanan Zhang, Jing Wang, Bo Qi, Shugeng Wu, Haijun Zhang, Guanghai Qi*, H. R. Chen1, H. Y. Luo1, D. J. Yin2, F. J. Lü2
Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
1Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan 571737, China
2Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
* Corresponding Author: Guanghai Qi ,Tel: 86-10-82107317, Fax: 86-10-82106054, Email: qiguanghai@caas.cn
Received: November 3, 2016;  Revised: December 17, 2016.  Accepted: November 3, 2016.  Published online December 27, 2016.

ABSTRACT
Objective:
The objective of the present study was to determine whether mango saponin (MS) could be used as a feed additive in broiler chicks by evaluating growth performance, carcass characteristics, meat quality and plasma biochemical indices.
Method:
A total of 216 1-d-old Arbor Acres male broiler chicks were randomly assigned into three dietary treatments supplemented with 0 (control), 0.14% (MS 0.14%), or 0.28% (MS 0.28%). Each treatment had six replicates (cages) with 12 chicks each. The feeding trial lasted for six weeks.
Results:
Compared with the control, dietary supplemented with 0.14% or 0.28% MS increased average daily weight gain of chicks in the grower (22 to 42 d) and the whole (1 to 42 d) phases, and the final body weight of chicks on d 42 was higher in MS supplemented groups (P < 0.05). Lower L45 min* (lightness) and L24 h* values, lower b24 h* (yellowness) value, and higher a45 min * (redness) and a24 h* values of the breast muscle were observed in chicks fed with 0.28% MS on d 42 (P < 0.05). The total antioxidant capacity in plasma increased in MS 0.14% group on d 21 (P < 0.001). Lower contents of plasma total cholesterol and triglyceride were observed in chicks fed with 0.28% MS on d 21 and d 42, whereas the group supplemented with 0.14% MS only decreased plasma triglyceride content on d 21 (P < 0.05). The glucose content in plasma decreased in MS 0.28% group on d 42 (P < 0.001).
Conclusion:
Overall, MS could be used as a feed additive in broiler chicks, and the supplemental level of 0.28% MS in diet could improve growth performance, meat quality, and plasma lipid metabolism in broiler chicks.
Keywords: Mango saponin; Growth performance; Meat quality; Plasma biochemical index; Broiler chick
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