From: Genetic and genomic characterization of vulva size traits in Yorkshire and Landrace gilts
Breed | Traita | SSCb | Mbc | Candidate genes | Related QTL |
---|---|---|---|---|---|
Landrace | VA, VH, VW | 2 | 154–157 | PDGFRB, MGAT1 | Total number born, corpus luteum number [7], gestation length, mummified pigs [8]. |
 | VA, VH | 7 | 107–110 | FLRT2, SPATA7, TGFB3, IRF2BPL | Teat number [9,10,11,12], uterine horn length [13], nonfunctional nipples [14]. |
 | VA, VW | 8 | 4–6 | MAN2B2 | Corpus luteum number [7, 15, 16], total number born alive, total number born [17], nonfunctional nipples [18], cryptorchidism [19], plasma FSH concentration [20], teat number [21]. |
 | VA, VH | 10 | 8–19 | ESRRG, TGFB2 | Number of stillborn [8], corpus luteum number [7], teat number [9]. |
Yorkshire | VH | 1 | 87–91 | FYN, TSPYL1, TSPYL4 | Teat number [9, 22], total number born alive [8, 23], total number born, litter weight [23], mummified pigs [8]. |
 | VA, VH, VW | 1 | 282–287 | ACTL7A, ACTL7B, CTNNAL1, PTGR1 | Total number born, mummified pigs [8], teat number [9, 22, 24], age at puberty [10], left teat number, right teat number [22], corpus luteum number [7]. |
 | VH | 5 | 67 | CD9, GAPDH, AKAP3 | Teat number [17], uterine horn weight, reproductive tract weight, uterine horn length [25], corpus luteum number [7], litter weight [23]. |