Neitz, W.O.Walters, H.S.Boughton, F.De Lange, M.Bigalke, R.D.Howell, P.G.Reinecke, R.K.Walker, Jane B.De Kock, V.E.2016-07-072016-07-0720161972Neitz, WO, Boughton, F & Walters, HS 1972, 'Laboratory investigations on the life-cycle of Rhipicephalus theileri Bedford & Hewitt, 1925 (Ixodoidea: Ixodidae)’, Onderstepoort Journal of Veterinary Research, vol. 39, no. 2, pp. 117-122.0330-2465http://hdl.handle.net/2263/54037The articles have been scanned in colour with a HP Scanjet 5590;300dpi. adobe Acrobat XI Pro was used to OCR the text and also for the merging and conversion to the final presentation PDF-format.Detailed data on the rearing of the progeny of a single R. theileri female for 7 generations at 25 to 26°C and 85 to 90% RH are presented in a series of tables and a figure. The average duration of the lifecycle is 491 days. The reason for the mortality rate of 96% of the immature stages in all batches during the prefeeding, feeding and premoulting stages is obscure.en© 1972 ARC - Onderstepoort and Faculty of Veterinary Science, University of Pretoria (original). © 2016 University of Pretoria. Department of Library Services (digital).Veterinary medicineVeterinary medicine -- South AfricaArticle