Haemaphysalis longicornis若ダニ唾液腺内におけるTheileria sergenti感染に及ぼす各種恒温の影響

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タイトル別名
  • Effect of constant temperatures on Theileria sergenti infection in salivary glands of nymphal Haemaphysalis longicornis.
  • Haemaphysalis longicornis若ダニ唾液腺内におけるTheileria sergenti感染に及ぼす各種恒温の影響〔英文〕
  • Haemaphysalis longicornis ワカ ダニ ダエキセンナイ

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The parthenogenetic Okayama strain of Haemaphysalis longicornis larvae which had engorged on cattle parasitaemic with the Fukushima stock of Theileria sergenti isolated in Japan were incubated at constant temperatures between 15 and 35°C during their pre-moult and post-moult periods. The Theileria infection rates in the salivary glands of the resultant nymphal ticks were assessed by staining with methyl green/pyronin stain. Constant temperatures of 15, 30 and 35°C were detrimental to the infection of salivary glands. The high infection levels were discernible in ticks incubated at 20 and 25°C. No maturation of T. sergenti was observed in salivary glands of ticks exposed to 35°C without the blood meal stimulus.

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