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Joint modelling of repeated measurements and event time: Application to performance traits and survival of lambs bred in sub-humid tropics

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Title Joint modelling of repeated measurements and event time: Application to performance traits and survival of lambs bred in sub-humid tropics
 
Creator Nguti, R.
Burzykowski, T.
Rowlands, G.J.
Renard, D.
Janssen, P.
 
Subject TROPICAL ZONES
SUBHUMID ZONES
LAMBS [SHEEP]
MODELS
MEASUREMENT
ANIMAL PERFORMANCE
BODY WEIGHT
GENOTYPES
HAEMATOCRIT
PARASITOSES
MORTALITY
SURVIVAL
HELMINTHS
MATHEMATICAL MODELS
 
Description 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 state study data.
 
Date 2013-05-06T07:01:06Z
2013-05-06T07:01:06Z
2005
 
Type Journal Article
 
Identifier Genetics, Selection, Evolution;37(2): 175-197
0999-193X
https://hdl.handle.net/10568/28662
 
Language en
 
Source Genetics, Selection, Evolution