Improving the Reproductive Performance of Sows by Using Ultrasonic Backfat Measurement Technique

LI Rui-xiang, HAN Li-kang, WANG Xin-jun, MENG Wei-hong, WANG Shuo

Animal Husbandry and Feed Science . 2019, (10): 91 -94 . DOI: 10.12160/j.issn.1672-5190.2019.10.019