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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2051

Title: Joint modelling of repeated measurements and event time: Application to performance traits and survival of lambs bred in sub-humid tropics
Authors: NGUTI, Rosemary
BURZYKOWSKI, Tomasz
Rowlands, J
RENARD, Didier
JANSSEN, Paul
Issue Date: 2005
Publisher: E D P SCIENCES
Citation: GENETICS SELECTION EVOLUTION, 37(2). p. 175-197
Abstract: We considered the analysis of a study for Dorper, Red Maasai and crossbred lambs born over a period of 6 years at the Diani Estate, Kenya. The study was designed to compare survival and performance traits of genotypes with differing susceptibilities to helminthiasis. The available data include information on time to death and repeated measurements of body weight, packed cell volume (PCV) and faecal egg count (FEC) of the animals. In the paper, we consider joint modelling of the survival time and the repeated measurements. Such an approach allows to account for the possible association between the survival and repeated measurement processes. The advantages and limitations of the joint modelling are discussed and illustrated using the Diani Estate study data.
Notes: Univ Nairobi, Dept Math, Nairobi, Kenya. Limburgs Univ Ctr, Ctr Stat, Diepenbeek, Belgium. Int Livestock Res Inst, Nairobi, Kenya.Nguti, R, Univ Nairobi, Dept Math, Nairobi, Kenya.r.wangeci@cgiar.org
URI: http://hdl.handle.net/1942/2051
DOI: 10.1051/gse:2004043
ISI #: 000227515200003
ISSN: 0999-193X
Category: A1
Type: Journal Contribution
Validation: ecoom, 2006
Appears in Collections: Research publications

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