FigureS3 Interval mapping forQTL with effects on TBA, LS, PS, OR and TN on SSC7. Chromosome-widesignificancelevel at P<0.05 (broken red line) and P<0.01 (solid red line). TBA, total born alive; LS, littersize; PS, prenatal survival; OR, ovulation rate; TN, teat number. 10 20 30 40 50 60 70 80 90 100 110 120 0 1 2 3 4 5 6 7 8 9 S0 02 5 SW 21 55 TN FB BM P5 SW 20 19 DAX X S0 10 2 S0 06 6 SW 63 2 S0 10 1 SW 76 4 F - v a l u e (v a r i a n c e r a ti o ) SSC7 - Marker positions and map length (cM) T BA LS PS OR TN 0 . 0 5 0 . 0 1