NaCl 処理によるニジマス受精卵の水カビ病発生防除

  • Kitancharoen Nilubol
    Division of Fish Diseases, Nippon Veterinary and Animal Science University
  • 小野 淳
    Tokyo Metropolitan Fisheries Experimental Station Okutama Branch
  • 山本 淳
    Oshino Trout Hatchery, Yamanashi Prefectural Fisheries Technology Center
  • 畑井 喜司雄
    Division of Fish Diseases, Nippon Veterinary and Animal Science University

書誌事項

タイトル別名
  • The Fungistatic Effect of NaCl on Rainbow trout Egg Saprolegniasis.
  • fungistatic effect of NaCl on rainbow t

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説明

With 1 hour exposure time, the maximum concentration of NaCl which was not toxic to rainbow trout eggs was 25 ppt at 13°C. The present study showed that interval treatment with 25 ppt NaCl for 1 h, twice a week, decreased fungal infection and increased the hatching rate of rainbow trout eggs. Continuous treatments with NaCl at concentrations of 3, 5, 7 ppt apparently increased the hatching rate to almost the same level. Furthermore, in the group treated with 7 ppt NaCl, no fungal infection was detected.

収録刊行物

  • 魚病研究

    魚病研究 32 (3), 159-162, 1997

    日本魚病学会

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