For the gilts and sows, the litter size was 11. 9 and 14. 3 respectively, and the alive piglets per litter at birth,ere 7.6 and 18. 4 respectively, and 40-day weaning weight was 58.00kg and 103. 02kg respectively.

• 头胎和第二胎，窝平产仔数 分别为11.；9头和14