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Study on hormonal induction of lactation in non-pregnant pigs

Research Project

Project/Area Number 16K18785
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Animal production science
Research InstitutionAzabu University

Principal Investigator

Noguchi Michiko  麻布大学, 獣医学部, 講師 (40506721)

Co-Investigator(Renkei-kenkyūsha) SUZUKI Takehito  麻布大学, 獣医学部, 准教授 (90532052)
SATO Reiichiro  麻布大学, 獣医学部, 准教授 (00582826)
Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2016: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsブタ / 初乳 / 泌乳誘起 / 泌乳制御
Outline of Final Research Achievements

This study examined the possibility of induction of artificial lactation in non-pregnant sows. Pseudopregnant sowsinduced with intramuscally injection of 30 mg estradiol dipropionate (EDP) were divided into 4 groups; additional treatment of 5 mg EDP on 5 (n=4) or 10 days (n=3) days before PGF2alpha treatment or additional treatment 10 mg EDP on 5 (n=3) or 10 days (n=3) days before PGF2alpha treatment. Artificial lactation was induced 61.5% animals. IgG concentrations in milk in pseudopregnant sows showed the peak at 24-h after the first PGF2alpha treatment and the peak value was significantly high compared than that in colostrum in pregnant sows. These results indicates that additional treatment of EDP in pseudopregnant pigs can induce artificial lactation. This study also show the milk obtained from pseudopregnant pigs contain high amount of IgG as well as colostrum in pregnant pigs.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • Research Products

    (3 results)

All 2017

All Presentation (3 results)

  • [Presentation] 偽妊娠豚を応用した泌乳モデル作出の検討2017

    • Author(s)
      野口倫子、宮内麻衣、伊藤裕希、鈴木武人、金子一幸
    • Organizer
      第160回日本獣医学会学術集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 偽妊娠豚を応用して作出された泌乳モデル豚による哺育が子豚の発育性に及ぼす影響2017

    • Author(s)
      宮内麻衣、伊藤裕希、佐藤礼一郎、川口博明、野口倫子、金子一幸
    • Organizer
      第160回日本獣医学会学術集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 偽妊娠豚を応用して作出された泌乳モデル豚の子豚哺育中の乳中成分の変化2017

    • Author(s)
      伊藤裕希、宮内麻衣、鈴木武人、野口倫子、金子一幸
    • Organizer
      第160回日本獣医学会学術集会
    • Related Report
      2017 Annual Research Report

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Published: 2016-04-21   Modified: 2019-03-29  

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