FEED SCIENCE AND TECHNOLOGY

Effect of Dietary Taurine on Semen Quality, Serum Hormone Content and Seminal Plasma Antioxidant Capability of Breeding Boars

  • LI Fangfang ,
  • JIANG Chaoqun ,
  • ZHU Yujin ,
  • ZHENG Lili ,
  • GAO Yuan ,
  • MENG Ling ,
  • GUO Fulai ,
  • DING Lan ,
  • ZHANG Yong
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  • 1. College of Animal Sciences and Veterinary Sciences, Shenyang Agricultural University, Shenyang 110866, China;
    2. Liaoning Debao Argi-Animal Husbandry Co., Ltd., Shenyang 110171, China;
    3. Shenyang Fukang Agriculture and Animal Husbandry Technology Co., Ltd., Shenyang 110164, China

Received date: 2015-10-30

  Online published: 2016-04-11

Abstract

This study was conducted to investigate the effect of dietary taurine on libido, semen quality, serum hormone content and seminal plasma antioxidant capability of breeding boars. Twenty four healthy adult large Yorkshire breeding boars with similar age and weight were randomly divided into 4 groups with 6 replicates per group and 1 pig per replicate. Breeding boars were fed diets supplemented with 0(control), 2, 4 and 6 g/kg taurine, respectively. The feeding trial lasted for 90 days consisted of 2 periods of 1 to 45 days and 46 to 90 days. The results showed as follows:1) the libido(P<0.05), semen production(P<0.01) and the sperm motility(P<0.05) of breeding boars in 6 g/kg taurine level group were significantly higher than those in control group during 46 to 90 days. The sperm density of breeding boars in 4 g/kg taurine level group was significantly higher than that in control group, and the sperm abnormality rate in 4 g/kg taurine level group was significantly lower than that in control group during 46 to 90 days(P<0.05). 2) The contents of serum luteinizing hormone(P<0.01) and serum testosterone(P<0.05) of breeding boars in 6 g/kg taurine level group were significantly higher than those in control group. 3) The content of seminal plasma malondialdehyde of breeding boars in 6 g/kg taurine level group was significantly lower than that in control group during 46 to 90 days(P<0.05), the activity of superoxide dismutase in 6 g/kg taurine level group was significantly higher than that in control group during 46 to 90 days(P<0.05), and the activity of glutathione peroxidase in 4 g/kg taurine level group was significantly higher than that in control during 46 to 90 days(P<0.05). In conclusion, dietary taurine can regulate serum hormone level, increase seminal plasma antioxidant capability, and finally improve the libido and semen quality of breeding boars. Under the condition of this experiment, the optimum level of dietary taurine is 6 g/kg.

Cite this article

LI Fangfang , JIANG Chaoqun , ZHU Yujin , ZHENG Lili , GAO Yuan , MENG Ling , GUO Fulai , DING Lan , ZHANG Yong . Effect of Dietary Taurine on Semen Quality, Serum Hormone Content and Seminal Plasma Antioxidant Capability of Breeding Boars[J]. Chinese Journal of Animal Nutrition, 2016 , 28(4) : 1122 -1128 . DOI: 10.3969/j.issn.1006-267x.2016.04.021

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