›› 2018, Vol. 45 ›› Issue (11): 3070-3076.doi: 10.16431/j.cnki.1671-7236.2018.11.012

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Effects of Macleaya cordata Extracts on Growth Performance, Serum Immune Indexes and Antioxidant Indexes of Weaning Piglets

XIA Chaodu1,2, HUANG Yan3, ZHAN Suizhang1,2, AI Qin1,2, LIU Xiaoyan1,2, FANG Binghu1,2   

  1. 1. Wens Foodstuff Group Co., Ltd., Yunfu 527400, China;
    2. Guangdong Wens Dahuanong Biotechnology Co., Ltd., Yunfu 527400, China;
    3. College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
  • Received:2018-05-05 Online:2018-11-20 Published:2018-11-20

Abstract:

The experiment was conducted to study the effects of Macleaya cordata extracts on growth performance,serum immune indexes and antioxidant indexes of weaned piglets.120 "Duroc×Landrace×Yorkshire" hybrid pigs with 35 days of age were selected and randomly divided into 2 treatment groups with 5 replicates per group and 12 pigs per replicate,according to similar body weight and the same ratio of gender.The experiment lasted for 30 days with 5 d for preliminary trial.The weaned piglets in control group fed with the basal diet,and that in experimental group fed with basal diet supplemented 0.1% Macleaya cordata extracts.During the experiment,the growth performance was measured (ADG,ADFI and F/G),and at the end of the experiment,two piglets were chosen from each replicate for blood sampling and then the immune and antioxidant indexes were determined.The results showed as follow:①The ADG of weaned piglets supplemented with Macleaya cordata extracts was increased by 3.89% than that of the control group (P>0.05),and the F/G was decreased by 4.32% (P>0.05),meanwhile the diarrhea rate had a significantly decreasing trend(P=0.076).②Compared with the control group,the serum IgG and TNF-α contents of weaned piglets supplemented with Macleaya cordata extracts were significantly increased (P<0.05),the contents of IgA and IgM were increased by 4.59% and 4.60%,respectively (P>0.05).③Adding Macleaya cordata extracts in the diet could significantly reduce the serum MDA content (P<0.05),and significantly increase the T-SOD activity (P<0.05).In conclusion,the addition of 0.1% Macleaya cordata extract in the diet could reduce the diarrhea rate,increase the body immunity and antioxidant capacity,and had no adverse effect on growth performance of weaned piglets.

Key words: Macleaya cordata extract; weaned piglets; growth performance; immune indexes; antioxidant indexes

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