Portable Testing pregnant instrument 1.uesd for pigs 2.accurate and portable 3.high quality,long lifsapn Testing pregnant instrument for pigs Description:Ultrasound ScannerAccessories: 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 ...