給水の紫外線消毒によるクロアワビ筋萎縮症の予防

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タイトル別名
  • Prevention of Amyotrophia in Large Scale Production of Juvenile Abalone, Haliotis discus discus, by Ultraviolet Irradiation of Water Supply.
  • キュウスイ ノ シガイセン ショウドク ニ ヨル クロアワビキン イシュクショウ ノ ヨボウ

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Amyotrophia of juvenile abalones has been a serious impediment in large scale production of Haliotis discus discus and H. discus hannai at the Fukuoka Mariculture Corporation since 1984. The efforts to prevent this infectious disease by removal of all the stocks from the facilities, disinfection of the facilities and washing fertilized eggs with U.V. -irradiated sea water were unsuccessful. Since the sea water supply was suspected to be contaminated with the etiological agent, a rearing experiment was conducted using three groups of juvenile H. discus discus that were previously reared in untreated, anthracite-filtered or U.V. -irradiated sea water, respectively, at their larval stages. Amyotrophia occurred in the former two groups but not in the last group that was reared in U.V.-irradiated sea water. U.V.-irradiation of sea water supply with other measures mentioned above has succeeded to produce healthy juveniles on a large scale in the hatchery for consecutive three years since 1999.

収録刊行物

  • 水産増殖

    水産増殖 50 (2), 227-232, 2002

    日本水産増殖学会

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