Short Communications

Effects of Betaine Addition Modes on Reproductive Performance and Serum Contents of Growth Hormone and Insulin-Like Growth Factor-Ⅰ of First Parity Sows

  • ZHANG Xingyan ,
  • FENG Tao ,
  • XU Xiaoling ,
  • BAI Jiahua ,
  • HUANG Zheng ,
  • HAN Xiangmin ,
  • LIU Yan
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  • 1. Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China;
    2. College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China

Received date: 2015-03-23

  Online published: 2015-09-12

Abstract

The experiment was conducted to study the effects of betaine addition modes on reproductive performance, as well as serum contents of growth hormone (GH) and insulin-like growth factor-Ⅰ (IGF-Ⅰ) of first parity sows. Totally 120 healthy Large white gilts were selected and randomly divided into 3 groups. Gilts in control group were fed a basal diet, and in betaine Ⅰ group were fed the basal diet supplemented with 1 000 mg/kg betaine from 3 day post-mating to weaning, while gilts in betaine Ⅱ were fed the basal diet supplemented with 2 000 mg/kg betaine from 110 day post-mating to weaning. The results showed that compared with control group, 1) the number of weaned piglets at age of 21 days in betaine Ⅰ group was significantly increased by 1.73 piglets (P<0.05), and litter weaning weight at age of 21 days was significantly increased by 22.83% (P<0.05). Diet supplemented with 1 000 mg/kg betaine could significantly increase the serum GH content in 10 or 21 days after parturition (P<0.05 or P<0.0l), as well as significantly elevate the serum IGF-Ⅰ content in day 110 of pregnant and 10 or 21 days after parturition (P<0.0l). 2) Weaning-to-estrus interval within 7 days after weaning was significantly shorter by 1.29 d in gilts of betaine Ⅱ group (P<0.05). Diet supplemented with 2 000 mg/kg betaine could significantly increase the serum GH content in 10 or 21 days after parturition (P<0.0l). This study shows that gilts diet supplemented with betaine can increase reproductive performances, in which 1 000 mg/kg supplementation can have more positive effects on serum GH and IGF-Ⅰ contents in first parity sows.

Cite this article

ZHANG Xingyan , FENG Tao , XU Xiaoling , BAI Jiahua , HUANG Zheng , HAN Xiangmin , LIU Yan . Effects of Betaine Addition Modes on Reproductive Performance and Serum Contents of Growth Hormone and Insulin-Like Growth Factor-Ⅰ of First Parity Sows[J]. Chinese Journal of Animal Nutrition, 2015 , 27(9) : 2878 -2883 . DOI: 10.3969/j.issn.1006-267x.2015.09.027

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