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. 2017 Jul 3;49:54. doi: 10.1186/s12711-017-0329-y

Table 5.

Number of random covariates (windows) and computation time for each model

Modela Number of random effectsb Computation time (h)d
Fatc Lwtc SCSc Fatc Lwtc SCSc
BayesA SNP 37,226 37,356 37,229 13.1 6.6 13.0
Hap125e 37,848 37,775 37,898 15.2 7.8 15.1
Hap250f 64,724 64,634 64,730 23.5 13.1 24.4
BayesB SNP 18,589 18,637 18,629 10.0 5.1 9.9
Hap125e 18,899 18,831 18,954 13.6 6.2 13.9
Hap250f 32,332 32,273 32,388 18.1 9.2 18.0
BayesN SNP 17,748 (4701) 17,639 (4671) 18,254 (4805) 26.7 12.5 25.6
Hap125e 18,451 (8264) 18,303 (8223) 18,711 (8344) 30.2 16.0 30.0
Hap250f 31,596 (4737) 31,281 (4706) 32,103 (4809) 37.6 18.9 38.1

aSNP = SNP model with 250 kb windows

bAverage number of SNPs or haplotype alleles fitted in each chain of the MCMC

cFat = Milk fat yield; Lwt = liveweight; SCS = somatic cell score

dComputation time for running the analysis on the training set containing all breeds with a chain length of 41,000

eHap125 = Haplotypes of length 125 kb, fitting only haplotype alleles >10% frequency in training data set

fHap250 = Haplotypes of length 250 kb, fitting only haplotype alleles >1% frequency in training data set