动物营养学报 >

2021 , Vol. 33 >Issue 12: 7148 - 7159

DOI: https://doi.org/10.3969/j.issn.1006-267x.2021.12.054

研究简报 SHORT COMMUNICATION

膨化苜蓿草粉-亚麻籽对母猪养分表观消化率以及母猪、仔猪免疫功能和血清激素含量的影响

  • 苏莹莹 ,
  • 刘旭乐 ,
  • 赵淑敏 ,
  • 焦喜兰 ,
  • 王成章 ,
  • 李振田 ,
  • 孙骁
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  • 1. 河南农业大学动物科技学院, 郑州 450002;
    2. 河南农业大学动物医学院, 郑州 450002;
    3. 河南省草地资源创新与利用重点实验室, 郑州 450002;
    4. 河南省牧草工程技术研究中心, 郑州 450002
苏莹莹(1995-),女,河南焦作人,硕士研究生,从事动物营养与饲料科学研究。E-mail:hnndsuying@163.com

收稿日期: 2021-04-27

  网络出版日期: 2021-12-16

基金资助

郑州市农业科技重大专项"安全高效低成本饲料产业化共性技术研究与示范"（30800063）

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Effects of Extruded Alfalfa Meal-Flaxseed on Apparent Nutrient Digestibility of Sows and Immune Function and Serum Hormone Contents of Sows and Piglets

  • SU Yingying ,
  • LIU Xule ,
  • ZHAO Shumin ,
  • JIAO Xilan ,
  • WANG Chengzhang ,
  • LI Zhentian ,
  • SUN Xiao
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  • 1. College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China;
    2. College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China;
    3. Key Laboratory of Innovation and Utilization of Grassland Resources in Henan Province, Zhengzhou 450002, China;
    4. Henan Engineering Research Center for Forage, Zhengzhou 450002, China

Received date: 2021-04-27

  Online published: 2021-12-16

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摘要

本试验旨在研究膨化苜蓿草粉-亚麻籽对母猪养分表观消化率以及母猪、仔猪免疫功能和血清激素含量的影响。试验选用80头胎次、体况和预产期接近的长×大妊娠母猪，随机分为4组（对照组、试验Ⅰ组、试验Ⅱ组和试验Ⅲ组），分别饲喂添加不同比例（0、5%、10%和15%）膨化苜蓿草粉-亚麻籽的试验饲粮，每组4个重复，每个重复5头。试验从母猪妊娠83 d开始，至哺乳21 d结束。结果表明：1）与对照组相比，试验Ⅲ组的酸性洗涤纤维（ADF）表观消化率显著升高（P<0.05），试验Ⅱ组和试验Ⅲ组的中性洗涤纤维（NDF）表观消化率显著升高（P<0.05），试验Ⅰ组和试验Ⅲ组的粗脂肪（EE）表观消化率显著升高（P<0.05）。2）与对照组相比，试验Ⅱ组母猪血清中免疫球蛋白M（IgM）和胰岛素（INS）含量显著升高（P<0.05），试验Ⅲ组母猪血清中催乳素（PRL）和INS含量显著升高（P<0.05）。3）与对照组相比，试验Ⅲ组仔猪血清中免疫球蛋白A（IgA）含量显著升高（P<0.05），试验Ⅱ组仔猪血清中免疫球蛋白G（IgG）和IgM含量显著升高（P<0.05），试验Ⅰ组、试验Ⅱ组和试验Ⅲ组仔猪血清中INS含量显著升高（P<0.05）。4）与对照组相比，试验Ⅰ组、试验Ⅱ组和试验Ⅲ组的哺乳期耗料量、总耗料量和总饲料成本显著升高（P<0.05），试验Ⅱ组的断奶仔猪头数、仔猪总收益和窝毛利润显著升高（P<0.05）。综上所述，饲粮中添加膨化苜蓿草粉-亚麻籽可以提高母猪养分表观消化率，改善母猪和仔猪的免疫功能和激素分泌，增加母猪泌乳期采食量和断奶仔猪头数，提高经济效益。

关键词： 膨化; 苜蓿草粉; 亚麻籽; 养分表观消化率; 免疫功能; 激素含量

本文引用格式

苏莹莹 , 刘旭乐 , 赵淑敏 , 焦喜兰 , 王成章 , 李振田 , 孙骁 . 膨化苜蓿草粉-亚麻籽对母猪养分表观消化率以及母猪、仔猪免疫功能和血清激素含量的影响[J]. 动物营养学报, 2021 , 33(12) : 7148 -7159 . DOI: 10.3969/j.issn.1006-267x.2021.12.054

Abstract

This experiment was conducted to study the effects of extruded alfalfa meal-flaxseed on apparent nutrient digestibility of sows and immune function and serum hormone content of sows and piglets. Eighty Landrace×Large White pregnant sows with similar parity, body condition and expected delivery date were randomly divided into 4 groups (control group, trial group Ⅰ, trial group Ⅱ and trial group Ⅲ) with 4 replicates in each group and 5 pigs in each replicate. Sows in the 4 groups were fed experimental diets supplemented with different proportions (0, 5%, 10% and 15%) of extruded alfalfa meal-flaxseed. The experiment period was from 83 days of pregnancy to 21 days of lactation in sows. The results showed as follows:1) compared with the control group, the acid detergent fiber (ADF) apparent digestibility of trial group Ⅲ was significantly increased (P<0.05), the neutral detergent fiber (NDF) apparent digestibility of trial group Ⅱ and trial group Ⅲ was significantly increased (P<0.05), and the ether extract (EE) apparent digestibility of trial group Ⅰ and trial group Ⅲ was significantly increased (P<0.05). 2) Compared with the control group, the contents of immunoglobulin M (IgM) and insulin (INS) in serum of sows of trial group II were significantly increased (P<0.05), and the contents of prolactin (PRL) and INS in serum of sows of trial group Ⅲ were significantly increased (P<0.05). 3) Compared with the control group, the serum immunoglobulin A (IgA) content of piglets of trial group Ⅲ was significantly increased (P<0.05), the contents of immunoglobulin G (IgG) and IgM in serum of piglets of trial group Ⅱ were significantly increased (P<0.05), and the serum INS content of piglets of trial group Ⅰ, trial group Ⅱ and trial group Ⅲ was significantly increased (P<0.05). 4) Compared with the control group, the feed consumption in lactation, total feed consumption and total feed cost of trial group Ⅰ, trial group Ⅱ and trial group Ⅲ were significantly increased (P<0.05), and the number of weaned piglets, total income of piglet and gross profit a litter of trial group Ⅱ were increased significantly (P<0.05). To sum up, the extruded alfalfa meal-flaxseed supplementation in diets can increase apparent nutrient digestibility of sows, improve immune function and hormone secretion of sows and piglets, increase the feed intake of sows during lactation and the number of weaned piglets, and improve economic benefits.

Key words： extruded; alfalfa meal; flaxseed; nutrient apparent digestibility; immune function; hormone content

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