添加复方中草药对育肥猪生长性能、营养物质表观消化率和血液指标的影响

doi:10.16431/j.cnki.1671-7236.2019.06.009

摘要/Abstract

摘要：

本研究旨在探讨中草药复方添加剂对育肥猪生长性能、营养物质消化率和血液指标的影响。选择130日龄左右、平均体重为（56.21±1.76） kg的健康育肥期杜×大×长三元杂交猪192头，按体重相近、公母比例相同原则，随机分为4组，每组4个重复，每个重复12头，4组中日粮中复方中草药的添加水平分别为0（对照组）、650、1 000和1 500 mg/kg。试验期37 d，其中预试期7 d，正试期30 d。测定育肥猪试验期间生长性能、营养物质表观消化率及血液生化指标、抗氧化指标及免疫指标。结果表明：①与对照组相比，650 mg/kg复方中草药组可在一定程度上提高育肥猪平均日增重，并降低料重比；②日粮中添加650、1 500 mg/kg复方中草药后，粗蛋白质（CP）表观消化率显著高于对照组（P<0.05），各组间中性洗涤纤维（NDF）、酸性洗涤纤维（ADF）、钙（Ca）、磷（P）表观消化率均无显著差异（P>0.05）；③日粮中添加650 mg/kg复方中草药显著提高了育肥猪血清高密度脂蛋白胆固醇（HDL-C）水平、谷胱甘肽过氧化物酶（GSH-Px）活性（P<0.05），同时显著降低了血清低密度脂蛋白胆固醇（LDL-C）水平、丙二醛（MDA）含量（P<0.05）；④日粮中添加复方中草药对机体免疫指标无显著影响（P>0.05）。综上，日粮中添加650 mg/kg复方中草药对育肥猪生长性能和养分表观消化率具有一定的积极作用，可改善育肥猪血液生化指标，降低血清中MDA含量，提高GSH-Px活性。

关键词: 南昌复方中草药; 育肥猪; 生长性能; 表观消化率

Abstract:

The purpose of this study was to investigate the effects of compound Chinese herbal medicine supplements on growth performance,nutrient apparent digestibility and blood parameters of finishing pigs.The 192 healthy and DYL crossbred finishing pigs with (56.21±1.76) kg body weight of 130 days old were selected and divided into 4 groups with 4 replicates per group and 12 heads per replicate according to the principle of similar body weight and the same proportion of males and females.The levels of compound Chinese herbal medicine in the diets of 4 groups were 0 (control group),650,1 000 and 1 500 mg/kg,respectively.The trial was divided into pre-feeding period (7 d) and formal period (30 d),and growth performance,nutrient apparent digestibility,biochemical indexes,antioxidant indexes and immune indexes in blood of finishing pigs were determined.The results showed that:①Compared with the control group,the 650 mg/kg group could increase the average daily gain and decrease the F/G to some extent (P>0.05).②After adding 650 and 1 500 mg/kg of compound Chinese herbal medicine to the diet,the apparent digestibility of CP was significantly higher than that of the control group (P<0.05),and the apparent digestibility of NDF,ADF,Ca,P did not show difference among the groups (P>0.05).③The addition of 650 mg/kg compound Chinese herbal medicine in the diet significantly increased the serum HDL-C level and GSH-Px activity of finishing pigs (P<0.05),and significantly decreased the serum LDL-C level and MDA content (P<0.05).④The addition of compound Chinese herbal medicine to the diet had no significant effect on the body's immune indexes (P>0.05).In summary,the addition of 650 mg/kg compound Chinese herbal medicine to the diet had a positive effect on the growth performance and nutrient apparent digestibility of finishing pigs,which could improve the blood biochemical indexes of finishing pigs,reduce the content of serum MDA and increase the GSH-Px activity.

Key words: compound Chinese herbal medicine; finishing pig; growth performance; apparent digestibility

中图分类号:

S828

李美发, 陈作栋, 梁欢, 柏峻, 赵二龙, 易中华, 瞿明仁, 许兰娇. 添加复方中草药对育肥猪生长性能、营养物质表观消化率和血液指标的影响[J]. 《中国畜牧兽医》, 2019, 46(6): 1636-1643.

LI Meifa, CHEN Zuodong, LIANG Huan, BAI Jun, ZHAO Erlong, YI Zhonghua, QU Mingren, XU Lanjiao. Effects of Compound Chinese Herbal Medicine on Growth Performance, Nutrient Apparent Digestibility and Blood Parameters in Finishing Pigs[J]. , 2019, 46(6): 1636-1643.

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