过瘤胃胆碱对黔北麻羊羔羊生长性能及血浆生化指标的影响

田兴舟, 韦济友, 李明忠, 肖玉贵, 莘海亮, 韩晓洁, 朱伦琴, 段永邦, 赵文金, 吴文旋

doi:10.3969/j.issn.1006-267x.2014.09.050

动物营养学报 >

2014 , Vol. 26 >Issue 9: 2857 - 2865

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.09.050

研究简报 Short Communications

过瘤胃胆碱对黔北麻羊羔羊生长性能及血浆生化指标的影响

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1. 贵州大学动物科学学院, 贵阳 550025;
2. 黔东南民族职业技术学院, 凯里 556000;
3. 贵州省凯里市畜牧兽医办公室, 凯里 564600;
4. 习水县富兴牧业有限公司, 习水 556400;
5. 贵州大学新农村发展研究院·中国西部发展能力研究中心, 贵阳 550025

田兴舟（1989-），男，贵州长顺人，硕士研究生，从事反刍动物营养研究。E-mail：527163364@qq.com

收稿日期: 2014-04-18

网络出版日期: 2014-09-10

基金资助

国家自然科学基金（31360563）；公益性行业（农业）科研专项经费项目（201303143）；贵州大学SRT项目（贵大SRT字（2013）088）

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Effects of Rumen-Protected Choline on Growth Performance and Plasma Biochemical Indices of Lambs of Qianbeima Goats

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1. College of Animal Science, Guizhou University, Guiyang 550025, China;
2. Qiandongnan National Polytechnic, Kaili 556000, China;
3. Kaili Animal Husbandry and Veterinary Bureau of Guizhou Province, Kaili 564000, China;
4. Fuxing Husbandry Co., Ltd., Xishui County, Xishui 564600, China;
5. Institute of New Rural Development · China Center for Western Development Capacity Research, Guizhou University, Guiyang 550025, China

Received date: 2014-04-18

Online published: 2014-09-10

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摘要

本试验旨在研究补饲过瘤胃胆碱（RPC）对黔北麻羊羔羊生长性能及血浆生化指标的影响。选取体况良好、体重相近的4月龄黔北麻羊羔羊20只随机分为对照组[(15.89±1.66) kg]和试验组[(15.30±1.86) kg]和试验组，每组10只。对照组饲喂基础饲粮，试验组补饲10 g/d的RPC。试验期40 d，其中预试期10 d，正试期30 d。结果表明，补饲RPC：1）显著提高干物质采食量全期平均值（P<0.05），显著降低料重比（P<0.05）；2）对干物质、粗蛋白质、粗脂肪、中性洗涤纤维的表观消化率无显著影响（P>0.05），但可显著提高酸性洗涤纤维、粗灰分的表观消化率（P<0.05）；3）可显著提高食入氮、吸收氮和沉积氮（P<0.05）；4）对血浆超氧化物歧化酶活性以及丙二醛、葡萄糖、尿素氮、极低密度脂蛋白、甘油三酯、总胆固醇、肌酐浓度的全期平均值均无显著影响（P>0.05）。在本试验条件下，补饲10 g/d的RPC可提高黔北麻羊羔羊生长性能，但对血浆生化指标没有显著影响。

关键词： 过瘤胃胆碱; 生长性能; 血浆生化指标; 黔北麻羊羔羊

本文引用格式

田兴舟, 韦济友, 李明忠, 肖玉贵, 莘海亮, 韩晓洁, 朱伦琴, 段永邦, 赵文金, 吴文旋 . 过瘤胃胆碱对黔北麻羊羔羊生长性能及血浆生化指标的影响[J]. 动物营养学报, 2014 , 26(9) : 2857 -2865 . DOI: 10.3969/j.issn.1006-267x.2014.09.050

Abstract

This study was conducted to investigate the effects of rumen-protected choline (RPC) on growth performance and plasma biochemical indices of lambs of Qianbeima goats. Twenty healthy lambs of Qianbeima goats aged 4 months with similar body weight were randomly divided to 2 groups {control group [(15.89±1.66) kg] and test group [(15.30±1.86) kg]} with 10 lambs in each group. Lambs in control group were fed a basal diet and those in test group were supplemented with 10 g/d RPC. The Trial lasted for 40 days, which consisted of a 10-day pretrial and a 30-day formal trial. The results showed that the supplementation of RPC: 1)significantly increased of the mean of dry matter intake during the whole period (P<0.05), and significantly reduced the ratio of feed to gain (P<0.05); 2) did not affect the apparent digestibility of dry matter, crude protein, ether extract and neutral detergent fiber (P>0.05), however, significantly increased those of acid detergent fiber and ash (P<0.05); 3) significantly increased nitrogen intake, retained nitrogen and absorbed nitrogen (P<0.05); 4) did not affect the mean of superoxide dismutase activity, as well as the concentrations of malondialdehyde, glucose, urea nitrogen, very low density lipoprotein, triglyceride, total cholesterol and creatinine in plasma during whole period (P>0.05). Under the conditions in the present study, the supplementation of 10 g/d RPC can improve growth performance but has no beneficial effects on plasma biochemical indices of lambs of Qianbeima goats.

Key words： rumen-protected choline; growth performance indices; plasma biochemical indices; lambs of Qianbeima goats

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