| 大豆磷脂油有效能值评定及其在仔猪饲粮中的应用效果 |
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| 引用本文： | 蒲俊宁,韩鸽,陈代文,毛湘冰,虞洁,郑萍,何军,余冰.大豆磷脂油有效能值评定及其在仔猪饲粮中的应用效果[J].动物营养学报,2017,29(4). |
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| 作者姓名： | 蒲俊宁 韩鸽 陈代文 毛湘冰 虞洁 郑萍 何军 余冰 |
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| 作者单位： | 四川农业大学动物营养研究所,动物抗病营养教育部重点实验室,雅安 625014 |
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| 基金项目： | 四川省科技支撑计划项目，广州倚德生物科技有限公司合作项目 |
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| 摘 要： | 本研究包括2个试验,试验1旨在评定大豆磷脂油的有效能值;试验2旨在研究大豆磷脂油对断奶仔猪生长性能、血清脂质代谢及直肠微生物数量的影响。试验1(代谢试验):选用16头平均体重(27.54±1.20)kg的"杜×长×大"去势公猪,随机分为2个组,每个组8个重复,每个重复1头猪,分别饲喂基础饲粮和4%大豆磷脂油替换基础饲粮的试验饲粮,预试期5d,正试期4 d。试验2(饲养试验):选用54头23日龄断奶、初始体重(6.50±0.48)kg"杜×长×大"仔猪,按体重相近原则随机分为3个组,每个组6个重复,每个重复3头猪,分别饲喂基础饲粮(含2%大豆油,对照组)、1.0%磷脂油饲粮(大豆磷脂油等量替代基础饲粮中50%大豆油,即含1.0%大豆油+1.0%磷脂油)和1.5%磷脂油饲粮(大豆磷脂油等能替代基础饲粮中50%大豆油,即含1.0%大豆油+1.5%磷脂油),试验期35 d。代谢试验结果表明:大豆磷脂油的表观消化能为31.32 MJ/kg,表观代谢能为30.07 MJ/kg。饲养试验结果表明,与对照组相比:1)第15~35天,1.0%、1.5%磷脂油饲粮组仔猪平均日采食量(ADFI)分别提高了6.23%和3.13%(P0.05),平均日增重(ADG)分别提高了6.66%和5.28%(P0.05);第1~35天,1.0%磷脂油饲粮组仔猪ADFI和ADG分别提高了5.34%和5.64%(P0.05)。2)1.0%磷脂油饲粮组仔猪腹泻率和腹泻指数分别降低了5.81%和13.41%(P0.05)。3)1.0%磷脂油饲粮组仔猪血清甘油三酯和游离脂肪酸的含量分别降低了10.91%和12.80%(P0.05);1.5%磷脂油饲粮组血清甘油三酯、总胆固醇和高密度脂蛋白胆固醇含量分别降低了7.27%、5.33%和10.53%(P0.05)。4)第15天,1.0%和1.5%磷脂油饲粮组仔猪直肠粪便大肠杆菌数量分别降低了4.88%和4.12%(P0.05);第36天,1.0%磷脂油饲粮组仔猪直肠粪便大肠杆菌数量降低了4.88%(P0.05)。综上可见,大豆磷脂油的表观消化能为31.32 MJ/kg,表观代谢能为30.07 MJ/kg;饲粮添加1.0%大豆磷脂油等量替代基础饲粮中的大豆油,可一定程度提高仔猪ADFI和ADG,降低腹泻率和直肠粪便大肠杆菌数量。
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| 关 键 词： | 大豆磷脂油 有效能值 断奶仔猪 应用效果 |
Evaluation of Effective Energy Value and Utilization of Soybean-Lecithin Oil in Diets of Weaned Piglets |
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| PU Junning,HAN Ge,CHEN Daiwen,MAO Xiangbing,YU Jie,ZHENG Ping,HE Jun,YU Bing.Evaluation of Effective Energy Value and Utilization of Soybean-Lecithin Oil in Diets of Weaned Piglets[J].Acta Zoonutrimenta Sinica,2017,29(4). |
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| Authors: | PU Junning HAN Ge CHEN Daiwen MAO Xiangbing YU Jie ZHENG Ping HE Jun YU Bing |
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| Abstract: | The study contained two experiments to evaluate the effective energy value of soybean-lecithin oil and to determine the effects of soybean-lecithin oil on growth performance, serum lipid metabolism and rectal microflora number of weaned piglets. Experiment 1 ( metabolism experiment): sixteen emasculated pigs ( Du-roc×Landrance×Yorkshire) with an average body weight of (27.54±1.20) kg were randomly divided into 2 groups with 8 replicates in each group and 1 pig in each replicate. The pigs were fed basal diet and experiment diet which used 4% soybean-lecithin oil replaced basal diet, respectively. The trial lasted for 5 days for adapta-tion, and 4 days for sampling. Experiment 2 (feeding experiment): fifty four weaned piglets (Duroc×Land-rance×Yorkshire, weaned at 23 days of age ) with initial body weight of (6.50±0.48) kg were randomly di-vided into 3 groups with 6 replicates per group and 3 pigs per replicate. Pigs were fed the basal diet ( 2% soy-bean oil, control group), 1.0% soybean-lecithin oil diet (50% soybean oil in basal diet was substituted by the same amount of soybean-lecithin oil, 1.0% soybean oil+1.0% soybean-lecithin oil) and 1.5% soybean-lecithin oil diet ( 50% digestible energy provided by soybean oil in basal diet was substituted by the same digestible en-ergy of soybean-lecithin oil, 1.0% soybean oil+1.5% soybean-lecithin oil) . The whole trial lasted for 35 days. The metabolism experiment results showed that soybean-lecithin oil contained 31.32 MJ/kg apparent digestible energy and 30. 07 MJ/kg apparent metabolizable energy. The feeding experiment results showed as follows, compared with the control group: 1) on day 15 to 35, the average daily feed intake ( ADFI) of piglets in 1.0% and 1.5% soybean-lecithin oil group was increased by 6.23% and 3.13% (P>0.05), and the average daily gain (ADG) was increased by 6.66% and 5.28% (P>0.05). Furthermore, on day 1 to 35, the ADFI and ADG of piglets in 1.0% soybean-lecithin oil diet group were improved by 5.34% and 5.64% ( P>0.05) , respectively. 2) The diarrhea rate and diarrhea index of piglets in 1.0% soybean-lecithin oil diet group were de-creased by 5.81% and 13.41% ( P>0.05) , respectively. 3) The content of serum triglyceride ( TG) and free fatty acid in serum of piglets in 1.0% soybean-lecithin oil diet group were reduced by 10. 91% and 12. 80%( P>0.05); the content of TG, total cholesterol and high density lipoprotein cholesterol in serum of piglets in 1.5% soybean-lecithin oil diet group were reduced by 7.27%, 5.33% and 10.53% (P>0.05), respectively. 4) On day 15, the rectal fecal Escherichia coli number of piglets in 1.0% and 1.5% soybean-lecithin oil diet group was reduced by 4.88% and 4.12% ( P>0.05) , respectively;on day 36, the rectal fecal Escherichia coli number of piglets in 1.0% soybean-lecithin oil diet group was reduced by 4.88% (P>0.05). In conclusion, the apparent digestible energy and apparent metabolizable energy of soybean-lecithin oil were 31. 32 and 30.07 MJ/kg, respectively. 1.0% soybean-lecithin oil replaced equivalent soybean oil in basal diet can improve ADFI and ADG, decrease diarrhea and the rectal fecal Escherichia coli number of piglets to some extent. |
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| Keywords: | soybean-lecithin oil effective energy value weaned piglets utilization |
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