动物营养学报 >

2020 , Vol. 32 >Issue 1: 129 - 137

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.01.018

猪营养与饲料 SWINE NUTRITION AND FEED

饲粮添加乳酸菌+酵母菌发酵液对母猪繁殖性能、初乳成分和血浆生化指标的影响

  • 马翠 ,
  • 高乾坤 ,
  • 张旺宏 ,
  • 祝倩 ,
  • 孔祥峰
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  • 1. 中国科学院亚热带农业生态研究所, 亚热带农业生态过程重点实验室, 动物营养生理与代谢过程湖南省重点实验室, 长沙 410125;
    2. 中国科学院大学, 北京 100049
马翠(1995-),女,河南商丘人,硕士研究生,从事单胃动物营养研究。E-mail:macui016@163.com

收稿日期: 2019-07-04

  网络出版日期: 2020-01-19

基金资助

国家重点研发计划项目（2018YFD0500404）；中科院STS区域重点项目（KFJ-STS-QYZD-052）；广西科技基地和人才专项（桂科AD17195043）；中科院王宽诚率先人才计划"产研人才扶持项目"

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Effects of Dietary Lactobacillus and Yeast Fermentation Broth on Reproductive Performance, Colostrum Composition and Plasma Biochemical Indexes of Sows

  • MA Cui ,
  • GAO Qiankun ,
  • ZHANG Wanghong ,
  • ZHU Qian ,
  • KONG Xiangfeng
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  • 1. Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China;
    2. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2019-07-04

  Online published: 2020-01-19

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摘要

为了探究饲粮添加乳酸菌+酵母菌发酵液对母猪繁殖性能、初乳成分和血浆生化指标的影响，试验选用3~7胎次、体况相近的妊娠巴马香猪32头，随机分为2组，每组16头。对照组饲喂基础饲粮，益生菌组饲喂在基础饲粮中添加乳酸菌+酵母菌发酵液[200 mL/（d·头）]的试验饲粮。试验期为配种至产后21 d。分娩当天记录母猪产仔数和产活仔数，称取每头仔猪的体重并计算窝重和平均个体重，于7、14和21日龄称取个体重，并计算平均个体重；每组随机选取12头母猪，于产后12 h内采集初乳，测定初乳成分；分别于妊娠45、75和105 d以及分娩后7和21 d，每组随机选取8头母猪，前腔静脉采血，测定血浆繁殖激素含量和生化指标。结果表明：与对照组相比，饲粮添加乳酸菌和酵母菌发酵液后仔猪平均初生个体重显著增加（P<0.05）；乳糖含量显著增加（P<0.05）；妊娠75 d时血浆催乳素（PRL）、促黄体素（LH）、孕酮（PROG）和雌二醇（E2）含量显著降低（P<0.05），血浆甘油三酯（TG）含量显著增加（P<0.05）；妊娠105 d时血浆TG和总胆固醇（TC）含量显著增加（P<0.05）；分娩后7 d时血浆TP含量显著降低（P<0.05），谷草转氨酶（AST）活性和TG含量显著增加（P<0.05）；分娩后21 d时血浆TC、高密度脂蛋白-胆固醇（HDL-C）和低密度脂蛋白-胆固醇（LDL-C）含量显著增加（P<0.05）。综上所述，饲粮添加乳酸菌+酵母菌发酵液可影响血浆生化指标和繁殖激素含量，改善机体对营养物质的吸收利用，利于母猪繁殖性能的提高。

关键词： 益生菌; 巴马香猪; 繁殖性能; 初乳成分; 血浆生化指标

本文引用格式

马翠 , 高乾坤 , 张旺宏 , 祝倩 , 孔祥峰 . 饲粮添加乳酸菌+酵母菌发酵液对母猪繁殖性能、初乳成分和血浆生化指标的影响[J]. 动物营养学报, 2020 , 32(1) : 129 -137 . DOI: 10.3969/j.issn.1006-267x.2020.01.018

Abstract

This study was conducted to explore the effects of dietary Lactobacillus +yeast fermentation broth on reproductive performance, colostrum composition and plasma biochemical indexes of sows. A total of 32 pregnant Bama mini-pigs with the similar body condition during three to seven parities were used and randomly allocated to two groups with 16 sows per group. The sows in the control group were fed a basal diet, and those in the experiment group were fed the basal diet supplemented with Lactobacillus +yeast fermentation broth[200 mL/(d·pig)]. The trial period was from mating to postpartum 21 d. On the day of birth, the litter size and alive litter size were recorded, as well as the litter birth weight of piglets. The body weight of the piglets was individually weighed to calculate the average body weight at 1, 7 and 21 days of age, respectively. Twelve sows were randomly selected from each group, and colostrum was collected within 12 h after delivery to determine milk composition. Eight sows were randomly selected from each group on 45, 75, and 105 d of pregnancy and 7 and 21 d of postpartum, respectively, and blood samples were collected by precaval vein into heparin coated-tubes to obtain the plasma for further analysis of reproductive hormones contents and plasma biochemical indexes. The results showed that, compared with the control group, after adding Lactobacillus +yeast fermentation broth in the diet, the average birth weight of piglets significantly increased (P<0.05), as well as the lactose content (P<0.05), on the pregnancy 75 d, the plasma contents of prolactin (PRL), luteinizing hormone (LH), progesterone (PROG)and estradiol (E2) significantly decreased (P<0.05), but plasma triglyceride (TG) content significantly increased (P<0.05); on the pregnancy 75 d, the plasma content of TG and total cholesterin (TC) significantly increased (P<0.05); on the lactation 7 d, the plasma content of total protein significantly decreased (P<0.05), while the plasma TG content and aspartate aminotransferase activity significantly increased (P<0.05); on the lactation 21 d, the plasma content of TC, high density lipoprotein-cholesterol and low density lipoprotein-cholesterol significantly increased (P<0.05). Collectively, these findings suggest that dietary Lactobacillus +yeast fermentation broth can affect plasma biochemical indexes and reproductive hormone contents, improve the uptake and utilization of nutrients, which is beneficial to the improvement of sow reproductive performance.

Key words： probiotics; Bama mini-pigs; reproductive performance; colostrum composition; plasma biochemical indexes

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