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Effects of Mulberry Leaf Meal and Fermented Mulberry Leaf Meal on Growth Performance, Serum Biochemical Indexes and Antioxidant Indexes of Huxu Chickens

  • HUANG Jing ,
  • KUANG Zheshi ,
  • LIAO Sentai ,
  • ZHAO Xiangjie ,
  • PAN Mushui
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  • 1. Sericulture and Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510610, China;
    2. Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China

Received date: 2015-12-01

  Online published: 2016-06-27

Abstract

This experiment was conducted to investigate the effects of mulberry leaf meal (MLM) and fermented mulberry leaf meal (FMLM) in diets on growth performance, serum biochemical indexes and antioxidant indexes of Huxu chickens. Three hundred and ninety-two LingnanHuxu chickens at ninety-five days of age were assigned to 7 groups with 4 replicates per group and 14 birds per replicate (male and female in half) according weight and sex. Chickens in control group were fed basal diet and the others in 6 test groups were fed basal diet supplemented with 5%,10%,20% MLM and 5%,10%,20% FMLM, respectively. The pre-trial period lasted for 4 days, and the experimental period lasted for 28 days. The results showed as follows: 1) the growth performance of Huxu chickens was decreased with the increase of the amount of MLM in diets. Compared with control group, different levels of MLM and FMLM in diets significantly decreased the average daily gain (P<0.05 or P<0.01). The average daily feed intake in 20% MLM group was significantly lower than that in control group (P<0.05). The ratio of feed to gain in all MLM level groups and 20% FMLM group was significantly higher than those in control group (P<0.05 or P<0.01). 2) The activity of alkaline phosphatase (ALP) in serum of Huxu chickens in all test groups was significantly lower than that in control group (P<0.05), and the activity of serum ALP in 10% MLM group was the lowest. The contents of serum total protein (TP) and globulin (GLO) in all test groups were higher than those in control group, and the contents of TP and GLO in 10% MLM and 20% FMLM groups were extremely significantly increased (P<0.01). The ratio of albumin to globulin (A/G) in serum in all test groups was significantly lower than that in control group (P<0.05). Compared with control group, the contents of total cholesterol (TC) and triglyceride (TG) were significantly decreased (P<0.05). 3) The total antioxidant capacity (T-AOC) in serum and liver of Huxu chickens in 10% MLM group was significantly higher than that in control group (P<0.05). The activity of catalase (CAT) in serum and liver in 10% MLM group was significantly lower than that in control group (P<0.05). The activity of glutathione peroxidase (GSH-Px) in serum in 20% FMLM group was extremely significantly higher than that in control group (P<0.01). In conclusion, MLM in diets decreases the growth performance of Huxu chickens, and the effect of FMLM on growth performance is better than that of MLM. MLM and FMLM in diets can reduce serum lipids contents, enhance immunity and the antioxidant capacity. But the optimum application amount still needs further research.

Cite this article

HUANG Jing , KUANG Zheshi , LIAO Sentai , ZHAO Xiangjie , PAN Mushui . Effects of Mulberry Leaf Meal and Fermented Mulberry Leaf Meal on Growth Performance, Serum Biochemical Indexes and Antioxidant Indexes of Huxu Chickens[J]. Chinese Journal of Animal Nutrition, 2016 , 28(6) : 1877 -1886 . DOI: 10.3969/j.issn.1006-267x.2016.06.031

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