Doppler Ultrasound Scanner for pigs 1.high accurancy image 2.human enjeneering design,waterproof 3.good after service Doppler Ultrasound Scanner for pigs Accessories: stereo earphone,search head,teaching tapes,lubricant,and portable carry bag1. It can check whether the sow get pregnant or not since sow copulated with male. Thus the deed can lower the cost and increase the return.2. If the pig ...