Genetic dissection and genomic prediction for pork cuts and carcass morphology traits in pig

Xie, Lei; Qin, Jiangtao; Rao, Lin; Cui, Dengshuai; Tang, Xi; Chen, Liqing; Xiao, Shijun; Zhang, Zhiyan; Huang, Lusheng

doi:10.1186/s40104-023-00914-4

Journal of Animal Science and Biotechnology

Table 4 Effects of different models, validation methods, and SNPs datasets on the prediction accuracy of GEBV

From: Genetic dissection and genomic prediction for pork cuts and carcass morphology traits in pig

Genotype data	CC1 chip genotyping data	CC1 chip genotyping data	CC1 chip genotyping data	Genotype imputation data
Models	GBLUP	BSLMM	GBLUP	GBLUP
Validation methods	Fivefold cross-validation	Fivefold cross-validation	Leave-one-out	Leave-one-out
Samples	2,012	2,012	2,012	2,012
Pork cuts weight
Shoulder cut	0.486	0.570	0.541	0.455
Middle cut	0.519	0.513	0.535	0.556
Leg cut	0.530	0.548	0.567	0.541
Boneless boston shoulder	0.408	0.406	0.508	0.576
Boneless picnic shoulder	0.547	0.640	0.597	0.481
Front ribs	0.395	0.586	0.487	0.356
Fore leg bones	0.502	0.512	0.508	0.522
Scapula bones	0.554	0.579	0.576	0.609
Loin	0.521	0.513	0.553	0.585
Belly	0.525	0.519	0.553	0.556
Ribs	0.565	0.664	0.568	0.461
Chine bones	0.450	0.487	0.452	0.467
Back fat	0.546	0.547	0.565	0.590
Boneless leg	0.558	0.586	0.583	0.560
Tenderloin	0.514	0.603	0.590	0.538
Hind leg bones	0.507	0.635	0.569	0.442
Tail and pelvis bone	0.346	0.342	0.373	0.402
Pork cuts proportion
Shoulder cut	0.335	0.562	0.418	0.314
Middle cut	0.521	0.610	0.523	0.456
Leg cut	0.559	0.560	0.567	0.546
Boneless boston shoulder	0.496	0.517	0.569	0.571
Boneless picnic shoulder	0.548	0.665	0.604	0.496
Front ribs	0.321	0.498	0.426	0.369
Fore leg bones	0.512	0.562	0.571	0.531
Scapula bones	0.586	0.656	0.635	0.589
Loin	0.502	0.509	0.567	0.543
Belly	0.501	0.489	0.534	0.540
Ribs	0.573	0.693	0.573	0.505
Chine bones	0.462	0.596	0.459	0.314
Back fat	0.536	0.559	0.558	0.547
Boneless leg	0.585	0.583	0.603	0.585
Tenderloin	0.516	0.586	0.563	0.526
Hind leg bones	0.559	0.561	0.564	0.573
Tail and pelvis bone	0.372	0.438	0.403	0.309
Carcass morphology traits
Half carcass weight	0.530	0.538	0.563	0.551
Carcass weight	0.518	0.521	0.547	0.581
Straight length	0.567	0.661	0.597	0.577
Oblique length	0.540	0.652	0.590	0.528
Thoracic length	0.579	0.749	0.595	0.502
Lumbar length	0.395	0.510	0.445	0.476
Thoracic number	0.549	0.882	0.594	0.484
Lumbar number	0.353	0.373	0.335	0.331
Single lumbar length	0.544	0.714	0.594	0.541
Shoulder backfat depth	0.412	0.528	0.466	0.364
6th_7th rib backfat depth	0.422	0.445	0.495	0.466
Waist backfat depth	0.451	0.441	0.480	0.514
Hip backfat depth	0.460	0.443	0.541	0.536
Mean of backfat depth	0.486	0.504	0.558	0.552

The data in the table are the accuracy of predicting GEBV for all traits

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ISSN: 2049-1891

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