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Effects of temperature and relative humidity on the egg laying pattern of Rhipicephalus sanguineus (Koch, 1844) infesting sheep in semi-arid region of Nigeria

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Author(s): AA Biu | MA Abdulkadir | TH Isadu

Journal: Sokoto Journal of Veterinary Sciences
ISSN 1595-093X

Volume: 10;
Issue: 2;
Start page: 18;
Date: 2012;
Original page

Keywords: egg-laying pattern | humidity | Rhipicephalus sanguineus | semi-arid | Nigeria | temperature.

ABSTRACT
The ovipositional pattern of fully engorged adult female Rhipicephalus sanguineus infesting sheep was studied under belljar conditions of mean ± SD (range) temperature of 25.4±2.16 (23-29oC) and relative humidity 90% and ambient conditions of 26.4±2.4 (23.6-31.6oC) and relative humidity 63.0±3.93 (51.3-72%). The pre-oviposition days under belljar conditions (11.1±9.15) was significantly shorter (p0.05) under belljar (22.3±9.69) than ambient (23.7±10.7) conditions with the total mean ± SD number of eggs laid under each condition as 1021.9±1082.4 and 1096.9±1173.0 respectively (p
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