饲粮添加甜菜碱对巴马香猪繁殖性能、初乳成分及血浆代谢物和繁殖激素含量的影响

高乾坤; 马翠; 孔祥峰; 尹富贵; 韩强; 印遇龙; 王占彬

doi:10.3969/j.issn.1006-267x.2020.02.020

动物营养学报 >

2020 , Vol. 32 >Issue 2: 646 - 653

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.02.020

猪营养与饲料 SWINE NUTRITION AND FEED

饲粮添加甜菜碱对巴马香猪繁殖性能、初乳成分及血浆代谢物和繁殖激素含量的影响

高乾坤 ,
马翠 ,
孔祥峰 ,
尹富贵 ,
韩强 ,
印遇龙 ,
王占彬

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1. 河南科技大学动物科技学院, 洛阳 471000;
2. 中国科学院亚热带农业生态研究所, 动物营养生理与代谢过程湖南省重点实验室, 长沙 410125;
3. 山东祥维斯生物科技股份有限公司, 潍坊 261000

高乾坤(1993-),男,河南永城人,硕士研究生,从事动物营养与饲料科学研究。E-mail:gaoqiankun19@163.com

收稿日期: 2019-07-29

网络出版日期: 2020-02-21

基金资助

湖湘高层次人才聚集工程——创新人才项目（2018RS3111）；山东祥维斯生物科技股份有限公司横向课题（20190101-ISA-XWS）；中国科学院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）

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Effects of Dietary Betaine Supplementation on Reproductive Performance, Colostrum Composition and Plasma Metabolite and Reproductive Hormone Contents of Bama Mini-Pigs

GAO Qiankun ,
MA Cui ,
KONG Xiangfeng ,
YIN Fugui ,
HAN Qiang ,
YIN Yulong ,
WANG Zhanbin

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1. College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471000, China;
2. Hunan Provincial Key Laboratory of Animal Nutrition Physiology and Metabolism Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China;
3. Shandong Xiangweisi Biotechnology Co., Ltd., Weifang 261000, China

Received date: 2019-07-29

Online published: 2020-02-21

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摘要

本试验旨在研究饲粮添加甜菜碱对巴马香猪繁殖性能、初乳成分及血浆代谢物和繁殖激素含量的影响。选取3~7胎次巴马香猪40头，随机分为2组，每组20头，单栏饲养。对照组饲喂基础饲粮，试验组在基础饲粮中添加3.5 kg/t甜菜碱盐酸盐。试验期为母猪配种后第3天至分娩后第21天。结果表明：与对照组相比，饲粮添加甜菜碱显著降低仔猪死亡率（P<0.05），增加断奶仔猪数（P=0.087）；饲粮添加甜菜碱显著增加初乳中乳蛋白和尿素氮含量（P<0.05）；饲粮添加甜菜碱显著降低妊娠第75天血浆总蛋白（TP）含量（P<0.05），显著降低妊娠第105天血浆TP含量和谷草转氨酶（AST）活性（P<0.05），显著增加妊娠第75天血浆碱性磷酸酶（ALP）活性以及产后第7天血浆AST和ALP活性（P<0.05），且妊娠第105天血浆ALP活性呈增加趋势（P=0.073）；饲粮添加甜菜碱显著降低妊娠第45天血浆催乳素（PRL）、孕酮（PROG）、促卵泡素（FSH）和雌二醇（E2）含量以及妊娠第75天血浆PRL和PROG含量（P<0.05），且妊娠第75天血浆E2含量（P=0.061）和妊娠第105天血浆FSH含量（P=0.062）呈下降趋势。综上所述，饲粮添加甜菜碱可改善初乳成分和血浆代谢物含量，降低血浆繁殖激素含量，进而增加断奶仔猪数。

关键词： 甜菜碱; 巴马香猪; 繁殖性能; 初乳成分; 血浆代谢物; 繁殖激素

本文引用格式

高乾坤 , 马翠 , 孔祥峰 , 尹富贵 , 韩强 , 印遇龙 , 王占彬 . 饲粮添加甜菜碱对巴马香猪繁殖性能、初乳成分及血浆代谢物和繁殖激素含量的影响[J]. 动物营养学报, 2020 , 32(2) : 646 -653 . DOI: 10.3969/j.issn.1006-267x.2020.02.020

Abstract

The present study was conducted to determine the effects of dietary betaine supplementation on reproductive performance, colostrum composition and plasma metabolite and reproductive hormone contents of Bama mini-pigs. Forty Bama mini-pigs with 3 to 7 parities were randomly divided into two groups, with 20 pigs per group, and fed individually. Pigs in the control group were fed a basal diet, while the others in the experimental group were fed the basal diet supplemented with 3.5 kg/t betaine hydrochloride. The trial period was from day 3 after mating to postpartum day 21. The results showed that compared with the control group, dietary betaine supplementation significantly decreased the mortality rate of piglets (P<0.05), and increased the number of piglets at weaning (P=0.087); dietary betaine supplementation significantly increased the milk protein and urea nitrogen contents in colostrum (P<0.05); dietary betaine supplementation significantly decreased the plasma total protein (TP) content on pregnancy day 75 (P<0.05), significantly decreased the plasma TP content and glutamic oxaloacetic transaminase (AST) activity on pregnancy day 105 (P<0.05), significantly increased the plasma alkaline phosphatase (ALP) activity on pregnancy day 75 and plasma AST and ALP activities on postpartum day 7 (P<0.05), and the plasma ALP activity on pregnancy day 105 was showed an increasing trend (P=0.073); dietary betaine supplementation significantly decreased the contents of prolactin (PRL), progesterone (PROG), follicle stimulating hormone (FSH) and estradiol (E2) in plasma on pregnancy day 45 and contents of PRL and PROG in plasma on pregnancy day 75 (P<0.05), and the plasma E2 content on pregnancy day 75 (P=0.061) and plasma FSH content on pregnancy day 105 (P=0.062) were showed an decreasing trend. In conclusion, dietary betaine supplementation can improve the colostrum composition and plasma metabolite contents, decrease plasma reproductive hormone contents, and then increase the number of piglets at weaning.

Key words： betaine; Bama mini-pigs; reproductive performance; colostrum composition; plasma metabolite; reproductive hormone

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