Effects of Adding Compound Plant Essential Oils on Growth Performance, Serum Biochemical Indexes and Antioxidant Capacity in Weaned Piglets
SONG Junshuai1,2, ZHANG Wenfei1, LIN Xiaofeng1, GUAN Wutai1, ZHANG Shihai1, CHEN Fang1, DENG Yuelin1
1. College of Animal Science, South China Agricultural University, Guangzhou 510642, China;
2. Guangdong Changjiang Food Group Co., Ltd., Taishan 529299, China
Abstract:The purpose of this experiment was to study the effects of adding compound essential oils (CEO) on the growth performance, serum biochemical indexes, antioxidant capacity and immune performance in weaned piglets. A total of 396 "Duroc×Landrace×Large white" weaned piglets at 35 days of age with body weight of (9.60±0.30) kg were assigned to 3 groups:antibiotic group (basic diet+96 mg/kg tiamulin+75 mg/kg chlortetracycline+200 mg/kg guitarmycin), test group A (basal diet+150 mg/kg CEO) and test group B (basic diet+200 mg/kg CEO), respectively, with 6 replicates per group and 22 pig per replicate for a 35-d feeding period. The results showed as fellows:1) compared with the antibiotics group, the addition of 200 mg/kg CEO in the diet not only significantly increased the average daily gain, serum total superoxide dismutase activity and total antioxidant capacity of piglets, but also significantly increased immunoglobulin G content in serum (P<0.05). 2) Compared with the antibiotics group, the addition of 150 mg/kg CEO in the diet significantly increased the serum albumin content of the piglets (P<0.05). In conclusion, the addition of 200 mg/kg of CEO to the diet can enhance the health, promote growth and improve the body's antioxidant and immunity. Therefore, compound plant essential oils have potential application value in weaned piglets.
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