The influence of cold on ticks and Piroplasma parvum
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Date
Authors
Theiler, Arnold, Sir, 1867-1936
Journal Title
Journal ISSN
Volume Title
Publisher
Pretoria: Government Printer and Stationery Office
Abstract
Resume:
1. A temperature of 0 C. retards the hatching of Rhipicephalus appendiculatus nymphae into adults.
2. A temperature of 0 C. does not interfere with the development of the parasite within the engorged nymphae.
3. A temperature of 0 C. does not kill the virus contained in engorged nymphae of Rhipicephalus appendiculatus.
4. Larval ticks of Rhipicephalus decoloratus die within thirty minutes when exposed to a temperature of -18 C.
5. Larval ticks of Rhipicephalus decoloratus do not die when exposed to a temperature of -18 C. for fifteen minutes.
6. Larval ticks of Rhip1:cephalus decoloratus do not die when exposed to a temperature of -5 C. for twenty-four hours.
7. The majority of larval ticks of Rhipicephalus decoloratus die when exposed to a temperature 6f -5 C. for forty-eight hours.
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Keywords
Veterinary medicine, Veterinary reports, South Africa, Temperature, Rhipicephalus decoloratus, Rhipicephalus appendiculatus
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Citation
Theiler, A 1909, 'The influence of cold on ticks and piroplasma parvum', Report of the Government Veterinary Bacteriologist for the year 1907-1908, pp. 10-13.