サトウキビ抽出物の飼料添加が子豚の免疫機能に及ぼす影響 Effects of Dietary Supplement of Sugar Cane Extract on Immune Performance in Growing Piglets

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子豚における末梢血中の各種免疫担当細胞の動態及び生産性に対するサトウキビ抽出物(SCE)の効果について検討した.体重30~70kg時の子豚に抗菌性飼料添加物(AGP)無添加の肥育前期用飼料に0.05%のSCEを添加したSCE添加区,AGPを添加したAGP添加区及び無添加区を設け不断給餌����で飼養した.その結果,細胞性免疫の指標となる遅延型過敏反応(DTH)はSCE添加区が他区より有意に高く,CD4陽性細胞率はSCE添加区がAGP添加区より有意に高かった.増体はSCE添加区がAGP添加区と無添加区より高値を,飼料要求率ではSCE添加区が無添加区より低値を示した.以上のことから,SCEの子豚への給与はヘルパーT細胞免疫応答を増強し,宿主の防御能を高めること,並びに生産性を改善させることが示唆された.

This study was carried out to determine the effect of Sugar Cane Extract (SCE) on immune performance in piglets. Eighteen piglets whose initial and final bodyweight were 30 kg and 70 kg, respectively, were assigned to three dietary treatment groups : no SCE supplemental diet without dietary antimicrobial supplement (control diet), a control diet with 0.05% dietary supplement SCE, and a control diet with dietary antimicrobial supplement. Each of the three groups comprised almost equal numbers of piglets from two breeding sows. Delayed-type hypersensitivity (DTH) was significantly higher (<i>P</i><0.01) in the SCE diet group than in the other groups. CD4 lymphocytes were significantly higher (<i>P</i><0.05) in the SCE diet group than in the antimicrobial diet group. Average daily gain in the SCE diet group was higher than in the other groups, and feed conversions in the SCE diet and the antimicrobial diet groups were higher than in the control group. These results suggest that SCE improves the reinforcement of the helper T-cell immune response, improving the protective capacity and productivity in growing piglets.

収録刊行物

  • 日本獣医師会雑誌 = Journal of the Japan Veterinary Medical Association

    日本獣医師会雑誌 = Journal of the Japan Veterinary Medical Association 64(12), 946-949, 2011-12-20

    日本獸医師会

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各種コード

  • NII論文ID(NAID)
    10030288561
  • NII書誌ID(NCID)
    AN00191857
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04466454
  • NDL 記事登録ID
    023391718
  • NDL 請求記号
    Z18-352
  • データ提供元
    CJP書誌  NDL  IR  J-STAGE 
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