动物营养学报 >

2018 , Vol. 30 >Issue 1: 170 - 179

DOI: https://doi.org/10.3969/j.issn.1006-267x.2018.01.022

饲料营养 Feed science and technology

植物乳杆菌和苦荞黄酮及其复合物对断奶仔猪生长性能、营养物质消化率及血清指标的影响

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  • 1. 中国农业科学院饲料研究所, 农业部饲料生物技术重点开放实验室, 生物饲料开发国家工程研究中心, 北京 100081;
    2. 四川省凉山州畜牧兽医科学研究所, 西昌 615042
王强(1979-),男,四川泸州人,高级畜牧师,学士,主要从事养猪生产与研究。E-mail:25358484@qq.com

收稿日期: 2017-07-04

  网络出版日期: 2018-01-04

基金资助

北京市生猪产业创新团队专项（GWZJ-2017-08）；国家西部之光专项

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Effects of Lactobacillus Plantarum, Buckwheat Flavone and Their Compounds on Growth Performance, Nutrient Digestibility and Serum Indices of Weaned Piglets

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  • 1. Key Laboratory of Feed Biotechnology of Ministry of Agriculture, National Engineering Research Center of Biological Feed, Feed Research Institute of Chinese Academy of Agricultural Sciences, Beijing 100081, China;
    2. Institute of Animal Husbandry and Veterinary Science of Liangshan, Xichang 615042, China

Received date: 2017-07-04

  Online published: 2018-01-04

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摘要

本试验旨在研究饲粮中添加植物乳杆菌和苦荞黄酮及其复合物对断奶仔猪生长性能、营养物质消化率及血清指标的影响。选取（35±3）日龄、平均体重为（7.85±0.67） kg断奶仔猪50头，随机分为5个组，每组10个重复，每个重复1头仔猪。负对照组（NC组）饲喂基础饲粮，其他各组分别在基础饲粮中添加40 mg/kg硫酸黏杆菌素（正对照组，PC组）、1×109 CFU/kg植物乳杆菌（LP组）、40 mg/kg苦荞黄酮（BF组）和1×109 CFU/kg植物乳杆菌+40 mg/kg苦荞黄酮（LB组）。试验期28 d。结果表明：1） BF组1~28 d仔猪的平均日增重显著高于NC组和PC组（P<0.05），分别提高了52.74%和34.14%。2） NC组仔猪的各营养物质消化率显著低于其他各组（P<0.05）；LB组仔猪的总能、干物质、有机物和磷的消化率显著高于其余各组（P<0.05）。3） BF组仔猪的血清总蛋白、白蛋白、尿素氮、葡萄糖、游离脂肪酸、免疫球蛋白G、免疫球蛋白A、免疫球蛋白M含量显著高于NC组（P<0.05）。LP组仔猪的血清总抗氧化能力、超氧化物歧化酶、谷胱甘肽过氧化物酶、过氧化氢酶活性显著高于NC组和PC组（P<0.05），而血清丙二醛含量显著低于NC组和PC组（P<0.05）。由此可见，苦荞黄酮提高了断奶仔猪生长性能和免疫功能，而植物乳杆菌改善了断奶仔猪机体抗氧化能力，二者联合应用还改善了饲粮营养物质消化率。

关键词： 仔猪; 植物乳杆菌; 苦荞黄酮; 生长性能; 营养物质消化率; 血清指标

本文引用格式

王强, 张乃锋, 崔凯, 王世琴, 吕小康, 刁其玉 . 植物乳杆菌和苦荞黄酮及其复合物对断奶仔猪生长性能、营养物质消化率及血清指标的影响[J]. 动物营养学报, 2018 , 30(1) : 170 -179 . DOI: 10.3969/j.issn.1006-267x.2018.01.022

Abstract

This experiment was conducted to investigate effects of dietary Lactobacillus plantarum, buckwheat flavone and their compounds on growth performance, nutrient digestibility and serum indices of weaned piglets. Fifty 35-day-old weaned piglets weighed (7.85±0.67) kg were selected and assigned into 5 groups with 10 replicates per group and 1 pig per replicate. Piglets in negative control (NC) group were fed a basal diet, and others were fed basal diets supplemented with 40 mg/kg colistin sulfate (positive control group, PC group), 1×109 Lactobacillus plantarum (LP group), 40 mg/kg buckwheat flavone (BF group) and both 1×109 Lactobacillus plantarum and 40 mg/kg buckwheat flavone (LB group). The experiment lasted for 24 days. The results showed as follows:1) the average daily gain of piglets at 1 to 28 days in BF group was significantly higher than that in NC group and PC group (P<0.05), and increased 52.74% and 34.14%, respectively. 2) The nutrient digestibility of piglets in NC group was significantly lower than that in other groups (P<0.05), the digestibility of total energy, dry matter, organic matter and phosphorus of piglets in LB group was significantly higher than that in other groups (P<0.05). 3) The contents of total protein, albumin, urea nitrogen, glucose, free fatty acids, immunoglobulin G, immunoglobulin A and immunoglobulin M in serum of piglets in BF group were significantly higher than those in NC group (P<0.05). The activities of total antioxidant capacity, superoxide dismutase, glutathione peroxidase, catalase in serum of piglets in LP group were significantly higher than those in NC group and PC group (P<0.05), however, the serum malondialdehyde content was significantly lower than that in NC group and PC group (P<0.05). The results indicate that Lactobacillus plantarum can improve the antioxidant ability while buckwheat flavone can increase the growth performance and immune ability of weaned piglets. Moreover, combination of Lactobacillus plantarum and buckwheat flavone can promote the diet nutrient digestibility.

Key words： weaned piglets; Lactobacillus plantarum; buckwheat flavone; growth performance; nutrient digestibility; serum indices

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