コナヒョウヒダニの繁殖条件の研究 : 2. 各種飼料における繁殖状況について

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タイトル別名
  • Studies on the environmental requirements for the breeding of the dust mite, Dermatophagoides farinae Hughes, 1961 : Part 2. Observations on the mode of breeding in various kinds of food
  • コナヒョウヒダニの繁殖条件の研究-3-各種飼料における繁殖状況について
  • コナヒョウヒダニ ノ ハンショク ジョウケン ノ ケンキュウ 3 カクシュ シリョウ ニ オケル ハンショク ジョウキョウ ニ ツイテ

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説明

An experiment was carried out to observe the nutritional requirements of Dermatophagoides farinae for efficient breeding. The breeding mode of D. farinae with 27 kinds of diet was compared with the control, composed of equal amout of dried yeast and powdered fish, which has been used for maintaining the mites in our laboratory. Approximately 800 mites were inoculated on 20g of the above series of diet, and they were kept at 25℃ and 60% R.H. The mites in 0.5g of the culture media were counted every two weeks by the saturated saline floatation method. Higher reproduction was observed in four kinds of diet than control : (1) 5% of lard plus fatless control (the fats being extracted thereof, and 5% of lard being added) produced the highest count 9,930 in 18 weeks; (2) 5% salad-oil plus fatless control, 8,085 in 18 weeks; (3) dried yeast and bean-flour (1 : 1), 4,110 in 22 weeks : (4) driedyeast and egg-albumin (1 : 1), 2,935 in 22 weeks; while the control, 2,595 in 18 weeks. It is assumed that fats, especially animal fats in the diet, might contain some substance to meet nutritional requirement for this species. As source of protein any of powered fish, bean-flour, and egg-albumin was satisfactory to breed this species.

収録刊行物

  • 衛生動物

    衛生動物 24 (2), 117-121, 1973

    日本衛生動物学会

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