饲粮粗纤维水平对生长育肥期深县猪生长性能、营养物质表观消化率和血清生化指标的影响

doi:10.3969/j.issn.1006-267x.2019.09.052

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摘要本试验旨在研究不同饲粮粗纤维水平对生长育肥期深县猪生长性能、营养物质表观消化率和血清生化指标的影响，以确定生长育肥期深县猪适宜的饲粮粗纤维水平。选取日龄、体重[（15.68±1.26）kg]基本一致的健康生长育肥期深县猪30头，随机分为3组，每组10个重复，每个重复1头猪，分别饲喂粗纤维水平为6%、8%和10%的试验饲粮。试验期38 d，其中预试期7 d，正试期31 d。结果表明：1）6%和8%粗纤维水平组的平均日增重（ADG）显著高于10%粗纤维水平组（P<0.05），8%粗纤维水平组的平均日采食量（ADFI）显著高于6%粗纤维水平组（P<0.05），6%粗纤维水平组的料重比（F/G）显著低于8%和10%粗纤维水平组（P<0.05）。2）8%粗纤维水平组的粗蛋白质（CP）、总能（GE）表观消化率显著高于6%和10%粗纤维水平组（P<0.05），6%粗纤维水平组的钙（Ca）、磷（P）表观消化率显著高于10%粗纤维水平组（P<0.05），6%粗纤维水平组的粗纤维（CF）表观消化率显著低于8%和10%粗纤维水平组（P<0.05）。3）10%粗纤维水平组的血清白蛋白（ALB）、总蛋白（TP）含量显著低于6%和8%粗纤维水平组（P<0.05）。综合各项指标得出，适宜的饲粮粗纤维水平可提高生长育肥期深县猪的生长性能，改善营养物质表观消化率，以粗纤维水平为7.57%时效果最佳。

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	芦春莲

关键词 ：深县猪, 饲粮粗纤维水平, 生长育肥期, 生长性能, 表观消化率

Abstract：This experiment was conducted to study the effects of different dietary crude fiber levels on growth performance, nutrient apparent digestibility and serum biochemical indexes of growing and finishing Shenxian pigs, to determine optimal dietary crude fiber level of growing and finishing Shenxian pigs. Thirty healthy growing and finishing Shenxian pigs with similar age and similar body weight of (15.68±1.26) kg were randomly allotted to 3 groups and 10 replicates per group and 1 pig per replicate. Pigs were fed the experimental diets with 6%, 8% and 10% crude fiber levels, respectively. The experiment lasted for 38 days including pre-test period of 7 days and test period of 31 days. The results showed as follows:1) average daily gain (ADG) in 6% and 8% crude fiber level groups was significantly higher than that in 10% crude fiber level group (P<0.05), average daily feed intake (ADFI) in 8% crude fiber level group was significantly higher than that in 6% crude fiber level group (P<0.05), and the ratio of feed to gain in 6% crude fiber level group was significantly lower than that in 8% and 10% crude fiber level groups (P<0.05). 2) The apparent digestibility of crude protein (CP) and gross energy (GE) in 8% crude fiber level group were significantly higher than those in 6% and 10% crude fiber level groups (P<0.05), the apparent digestibility of calcium (Ca) and phosphorus (P) in 6% crude fiber level group were significantly higher than those in 10% crude fiber level group (P<0.05), and the apparent digestibility of crude fiber (CF) in 6% crude fiber level group was significantly lower than that in 8% and 10% crude fiber level groups (P<0.05). 3) The contents of albumin (ALB) and total protein (TP) in serum in 10% crude fiber level group were significantly lower than those in 6% and 8% crude fiber level groups (P<0.05). Comprehensive analysis of various indicators, optimal dietary crude fiber level can enhance growth performance, improve nutrient apparent digestibility of growing and finishing Shenxian pigs, and 7.57% crude fiber level can reach the optimum effect.

Key words： Shenxian pig dietary crude fiber level growing and finishing stage growth performance apparent digestibility

收稿日期: 2019-03-05

PACS:

S816

基金资助:河北省生猪产业技术体系营养与饲料岗位（HBCT2018110203）

通讯作者: 芦春莲,教授,硕士生导师,E-mail:13833038290@163.com E-mail: 13833038290@163.com

作者简介: 安亚辉(1994-),男,河北南和人,硕士研究生,从事动物营养与饲料科学研究。E-mail:sky18233225115@126.com

引用本文:

安亚辉, 曹洪战, 苗玉涛, 李广东, 邢荷岩, 李赛, 芦春莲. 饲粮粗纤维水平对生长育肥期深县猪生长性能、营养物质表观消化率和血清生化指标的影响[J]. 动物营养学报, 2019, 31(9): 4371-4377.
AN Yahui, CAO Hongzhan, MIAO Yutao, LI Guangdong, XING Heyan, LI Sai, LU Chunlian. Effects of Dietary Crude Fiber Level on Growth Performance, Nutrient Apparent Digestibility and Serum Biochemical Indexes of Growing and Finishing Shenxian Pigs. Chinese Journal of Animal Nutrition, 2019, 31(9): 4371-4377.

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