可溶性玉米纤维(Fibersol-2)对仔猪生长性能、血清生化指标和抗氧化能力的影响

doi:10.11843/j.issn.0366-6964.2018.10.013

摘要/Abstract

摘要：

旨在研究日粮中添加可溶性玉米纤维（Fibersol-2）对仔猪生长性能、血清生化指标和抗氧化能力的影响。本试验选用28日龄体重相近的杜×长×大杂交仔猪448头，随机分成4组，每组8个重复，每个重复14头，分别饲喂基础日粮+0、1、2和4 g·kg^-1可溶性玉米纤维。整个试验期为35 d，其中预试期为7 d，正试期为28 d，正试期初始体重为（9.65±0.44）kg。试验结束后，从每个重复选择1头猪（体重接近于每重复的平均体重）称重，屠宰，取肝和血清样品进行指标测定。结果表明：1）日粮中添加可溶性玉米纤维未显著影响仔猪生长性能和营养物质表观消化率（P>0.05）；2）与对照组相比，可溶性玉米纤维显著降低血清中三酰甘油、白蛋白、总蛋白的含量和白蛋白与球蛋白比（P<0.05），显著升高血清尿素氮的含量（P<0.05）；1与4 g·kg^-1可溶性玉米纤维添加组显著增加血清中球蛋白含量（P<0.05）；2与4 g·kg^-1可溶性玉米纤维添加组显著降低血清中总胆固醇含量（P<0.05）；4 g·kg^-1可溶性玉米纤维添加组显著降低血清中葡萄糖含量（P<0.05）；3）与对照组相比，日粮中添加可溶性玉米纤维显著增加血清中谷胱甘肽过氧化物酶活性（P<0.05），血清与肝中过氧化氢酶活性（P<0.05），降低肝中丙二醛含量（P<0.05）；2与4 g·kg^-1可溶性玉米纤维添加组显著提高血清中总抗氧化能力（P<0.05）；4 g·kg^-1可溶性玉米纤维添加组显著增加血清和肝中超氧化物歧化酶活性、肝中谷胱甘肽过氧化物酶活性和总抗氧化能力（P<0.05），降低血清中丙二醛含量（P<0.05）。在本试验条件下，日粮中添加可溶性玉米纤维能改善仔猪免疫力和抗氧化能力，降低血糖血脂水平，促进仔猪健康。

Abstract:

This study was conducted to investigate the effects of soluble corn fiber (Fibersol-2) supplementation in diet on growth performance, biochemical indexes of serum and anti-oxidative capacity in piglets. A total of 448 hybird piglets (Duroc×Landrace×Large white) with similar body weight of 28 days old were randomly assigned into 4 dietary treatments, 8 replicates in each treatment with 14 piglets each, and fed a basal diet supplemented with 0, 1, 2 and 4 g·kg^-1 Fibersol-2, respectively. The total experiment lasted for 35 d including 7-d pre-test and 28-d test, and an average initial body weight of piglets in the test was (9.65±0.44) kg. At the end of the test, one pig per replicate (near to the average body weight of the replicate) were weighed, slaughtered and the samples of liver and serum were collected and detected. The results showed that:1) The diets added Fibersol-2 did not significantly affect the growth performance and apparent nutrient digestibility of piglets (P>0.05). 2) Compared with the control group, Fibersol-2 supplementation significantly decreased the contents of triglyceride, albumin, total protein and the ratio of albumin to globulin, and markedly increased the content of urea nitrogen (P<0.05) in serum. Fibersol-2 supplementation of 1 and 4 g·kg^-1 significantly increased globulin content in serum(P<0.05), Fibersol-2 supplementation of 2 and 4 g·kg^-1 markedly decreased total cholesterol content in serum (P<0.05), and Fibersol-2 supplementation of 4 g·kg^-1 significantly reduced glucose content (P<0.05) in serum. 3) Compared with the control group, Fibersol-2 addition significantly enhanced the activity of glutathione peroxidase (GSH-Px) in serum(P<0.05) and catalase (CAT) in serum and liver (P<0.05), respectively, but significantly decreased malondialdehyde (MDA) content in liver (P<0.05); Fibersol-2 supplementation of 2 and 4 g·kg^-1 markedly increased total antioxidant capacity (T-AOC) in serum (P<0.05), and Fibersol-2 supplementation of 4 g·kg^-1 significantly increased the activity of superoxide dismutase (SOD) in serum and liver (P<0.05), GSH-Px and T-AOC in liver (P<0.05), however, significantly reduced MDA content in serum (P<0.05). Under the experimental condition, Fibersol-2 supplementation could improve the immunity, antioxidant capacity of piglets, decrease the levels of glucose and lipids in serum, and promote the health of piglets.

中图分类号:

S828.5

邢恒涛, 颜桂花, 刘强, 王雨雨, 王保哲, 庄苏. 可溶性玉米纤维(Fibersol-2)对仔猪生长性能、血清生化指标和抗氧化能力的影响[J]. 畜牧兽医学报, 2018, 49(10): 2170-2179.

XING Heng-tao, YAN Gui-hua, LIU Qiang, WANG Yu-yu, WANG Bao-zhe, ZHUANG Su. Effects of Soluble Corn Fiber(Fibersol-2) on Growth Performance, Biochemical Indexes of Serum and Anti-oxidative Capacity in Piglets[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2018, 49(10): 2170-2179.

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