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2009 Fiscal Year Final Research Report

Studies on development of mucosal immune system in piglets for establishment of animal production system with reduced use of antimicrobials

Research Project

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Project/Area Number 19380153
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Zootechnical science/Grassland science
Research InstitutionKyoto Prefectural University

Principal Investigator

USHIDA Kazunari  Kyoto Prefectural University, 大学院・生命環境科学研究科, 教授 (50183017)

Project Period (FY) 2007 – 2009
Keywords仔ブタ / 腸管IgA分泌 / 離乳 / 抗菌剤 / 粘膜免疫
Research Abstract

In the animal agriculture, the disease control of infant animals is crucial for the efficient production. Weaning period is the most vulnerable period to the infection. Therefore, many antimicrobials have been applied as feed additive, growth promoters, to the weaning animals. However, it is required to establish animal production systems without any anitimicrobials or with minimum use of antimicrobials from the social pressure that demands non-contaminated food with any chemicals. In this context, it is obvious to increase the resistance of infant animals against the infectious diseases. To this end, it is necessary to accelerate the developemnt of the mucosal immune system of the infant animals. In this study, we have shown (1) decrease in luminal IgA concentration around weaning, (2) Increase in the risk of infection in this particular period, (3) late weaning(35d old) induced development of mucosal immune system, (4) Stimulation by probiotic lactobaciilus was more helpful in late weaning animals.

  • Research Products

    (7 results)

All 2010 2009 2008 Other

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (1 results) Remarks (1 results)

  • [Journal Article] Prevalence of porcine reproductive and respiratory syndrome virus and porcine circovirus type 2 in piglets after weaning on a commercial pig farm in Japan.2010

    • Author(s)
      Kenichi Sasaki, Takamitsu Tsukahara, Osamu Taira, Kotaro Tsuchiya, Mitsugi Itoh, Kazunari Ushida
    • Journal Title

      Animal Science Journal 81巻

      Pages: 135-141

    • Peer Reviewed
  • [Journal Article] An epidemiological survey on pigs showing symptoms of enteric diseases and dyspepsia in Japan.2009

    • Author(s)
      Kazunari Ushida, Akio Kishimoto, Shong-Ji Piao, Mitsugi Itoh, Akira Shiga, Nobuo Nakanishi, Takamitsu Tsukahara
    • Journal Title

      Animal Science Journal. 80巻

      Pages: 556-561

    • Peer Reviewed
  • [Journal Article] Oral administration of Lactobacillus plantarum Lq80 and Megasphaera elsdenii iNP-001 induces efficient recovery from mucosal atrophy in the small and the large intestines of weanling piglets.2009

    • Author(s)
      Yoshida Y, Tsukahara T, Ushida K.
    • Journal Title

      Animal Science Journal 80巻

      Pages: 709-715

    • Peer Reviewed
  • [Journal Article] Decreasing Traits of Fecal Immunoglobulin A in Neonatal and Weaning Piglets.2008

    • Author(s)
      Kazunari Ushida, Chiyoko Kameue, Takamitsu Tsukahara, Kikuto Fukuta, Nobuo Nakanishi
    • Journal Title

      Journal of Veterinary Medical Science 70巻

      Pages: 849-852

    • Peer Reviewed
  • [Journal Article] Quantitative real-time PCR monitoring of Escherichia coli and Clostridium perfringens with oral administration of Lactobacillus plantarum strain Lp80 to weaning piglets2008

    • Author(s)
      Takahashi S, Y. Yoshida, Nakanishi N, Tsukahara T, Ushida K.
    • Journal Title

      Animal Science Journal 79巻

      Pages: 737-744

    • Peer Reviewed
  • [Presentation] ブタ糞便中イムノグロブリンA濃度の新生仔から出荷までの推移2009

    • Author(s)
      塚原隆充・佐々木謙一・井上亮・中西信夫・牛田一成
    • Organizer
      日本畜産学会
    • Place of Presentation
      日本大学
    • Year and Date
      2009-03-28
  • [Remarks]

    • URL

      http://seika.kpu.ac.jp/~k_ushida/ushidaintro.html

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Published: 2011-06-18   Modified: 2016-04-21  

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