Predicting direct and indirect breeding values for survival time in laying hens using repeated measures

Table 2 Rank correlations between observed and predicted phenotypes (±SE) and approximate accuracies for lines W1 and WB

Model	Time-dependent	Rank correlation				Approximate accuracy
Model	Time-dependent	W1	% Improvement^a	WB	% Improvement^a	W1	WB
STM	–	0.135 ± 0.012	–	0.170 ± 0.012	–	0.44	0.46
RMM.t	No	0.148 ± 0.012	+10	0.185 ± 0.012	+9	0.48	0.51
RMM.p	No	0.162 ± 0.012	+20	0.174 ± 0.012	+2	0.53	0.47
GLMM	No	0.150 ± 0.012	+11	0.190 ± 0.012	+12	0.49	0.52
RMM.t	Yes	0.063 ± 0.013	−53	0.134 ± 0.012	−21	0.20	0.37
RMM.p	Yes	0.049 ± 0.013	−64	0.124 ± 0.012	−27	0.16	0.34
GLMM	Yes	0.081 ± 0.013	−41	0.149 ± 0.012	−12	0.26	0.41

Rank correlations between observed and predicted phenotypes and approximate accuracies using STM, RMM.t, RMM.p, and GLMM are provided for lines W1 and WB. All models were analysed by either excluding (time-dependent = no) or including (time-dependent = yes) timing of IGE expression
^aCompared to STM

ISSN: 1297-9686