Feed Science and Technology

Effects of N-Carbamyl Glutamate and Taurine on Semen Quality, Serum Hormone Parameters and Antioxidant Capacity of Breeding Boars

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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: 2015-04-15

  Online published: 2015-10-15

Abstract

This study was conducted to determine the effects of dietary supplementation of N-carbamyl glutamate (NCG) and taurine (Tau) on semen quality, serum hormone parameters, seminal plasma protein content and antioxidant capacity of breeding boars.Twenty 18-month-old Yorkshire boars with similar weight healthy were randomly divided into 4 groups with 5 replicates per group and 1 pig per replicate.Pigs were fed basal diet (control group), basal diet+0.2% NCG (NCG group), basal diet+0.6% Tau (Tau group), basal diet+0.2% NCG+0.6% Tau (NCG+Tau group).The trial lasted for 100 days.The results showed as follows: 1) compared with the control group, dietary supplemented with NCG, Tau and NCG+Tau significantly decreased the ejaculation reaction time (P<0.01), and significantly increased the ejaculation time (P<0.01).The main effects analytic result showed that during 56 to 100 days, dietary supplemented with NCG significantly improved the semen volume (P<0.05), dietary supplemented with NCG or Tau+NCG significantly improved the sperm motility (P<0.05), dietary supplemented with NCG significantly decreased the percentage of abnormal sperm (P<0.05).2) Compared with the control group, during 56 to 100 days, dietary supplemented with NCG or NCG+Tau significantly improved serum follicle stimulating hormone (FSH) content (P<0.01), dietary supplemented with NCG+Tau significantly improved the content of luteinizing hormone (LH) and testosterone (T) in serum (P<0.01).3) The main effects analytic result showed that dietary supplemented with NCG significantly improved seminal plasma total protein (TP) content (P<0.05), dietary supplemented with Tau significantly improved seminal plasma albumin (ALB) content (P<0.05).4) The main effects analytic result showed that during 56 to 100 days, dietary supplemented with NCG significantly improved total antioxidant capacity (T-AOC) and glutathione peroxidase (GSH-Px) activity in seminal plasma (P<0.05), dietary supplemented with Tau or NCG+Tau significantly improved seminal plasma superoxide dismutase (SOD) activity (P<0.05).Analyze the data synthetically, dietary supplemented with NCG and Tau can regulate the serum hormone secretion level, help to increase the sexual desire, and improve the protein quality in seminal plasma, as well as the antioxidant capacity and the quality of semen.

Cite this article

ZHU Yujing, ZHU Guangnan, LI Fangfang, ZHENG Lili, GAO Yuan, MENG Ling, GUO Fulai, DING Lan, MI Chuntao, ZHANG Yong . Effects of N-Carbamyl Glutamate and Taurine on Semen Quality, Serum Hormone Parameters and Antioxidant Capacity of Breeding Boars[J]. Chinese Journal of Animal Nutrition, 2015 , 27(10) : 3125 -3133 . DOI: 10.3969/j.issn.1006-267x.2015.10.018

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