UNSPECIFIED. (2003) Survival of Theileria parva in its nymphal tick vector, Rhipicephalus appendiculatus, under laboratory and quasi natural conditions. PARASITOLOGY, 126 (Part 6). pp. 571-576. ISSN 0031-1820

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Abstract

Groups of nymphal Rhipicephalus appendiculatus Muguga, having a mean of 1 or 9 Theileria parva Muguga-infected salivary gland acini per tick, were kept under quasi-natural conditions at an altitude of 1950 in or 20 degreesC at a relative humidity of 85% in the laboratory and their survival and infection prevalence and abundance determined over time. Theileria parva infections for both categories of ticks survived in the nymphal ticks for 50 or 26 weeks post salivary gland infection under quasi-natural or laboratory conditions respectively, There was a distinct decline in infections in the more heavily infected nymphae under both conditions of exposure, reflecting an apparent density dependence in parasite survival. Nymphal ticks having an average infection level of 1 infected salivary gland acinus per tick, survived for up to 69 or 65 weeks post-repletion under quasi-natural or the laboratory conditions respectively. Nymphae having an average infection level of 9 infected salivary gland acini per tick survived for a similar duration under each of the 2 conditions. The infection level of 9 infected salivary gland acini per tick did not seem to significantly affect the survival of the tick vector compared to those having an average of 1 infected salivary gland acinus per tick.

Item Type:	Journal Article
Subjects:	Q Science > QL Zoology
Journal or Publication Title:	PARASITOLOGY
Publisher:	CAMBRIDGE UNIV PRESS
ISSN:	0031-1820
Date:	June 2003
Volume:	126
Number:	Part 6
Number of Pages:	6
Page Range:	pp. 571-576
Identification Number:	10.1017/S0031182003003147
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/9061

Data sourced from Thomson Reuters' Web of Knowledge

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