In order to obtain accurate test results, the test can be carried out at the earliest 18 days after sow breeding. At the latest, it should not exceed 75 days after sow breeding. The test performed 18 days after breeding should be repeated after 30 days to ensure accurate. Test Results.During the test, it is best to isolate and quiet the sow (test while feeding), you will only need 15-30 seconds to get the test results, if you are familiar with the test program, you may only It takes 5 seconds to complete a sow test.Product name: Veterinary portable ultrasonic scannerSpecifications：HandheldMaterial: edible pp plasticWorking temperature: room temperatureProduct Size：16*6*2.4cmProduct weight: 217GScope of application: for pigs, sheep, cows, horses and other mammalsFeatures: Stable detection, high accuracy, simple operation, easy to use.Package:1*Veterinary portable ultrasonic scannerDirections:The beginning of the test shall be carried out on the right side of the sows, apply some oil on the surface of probe or sows testing parts.The best test position is located in the sow nipple line more than an inch and the sow hind legs before two inches (5 to 8 cm).The test Angle is about 45 degrees to the front, 45 degrees to the side. In this position and adjust the Angle of pregnant detectors to scan the entire uterus.Then you judge whether the sow is pregnant according to the sound.Test result:The sound is discontinuity----Sow is not pregnantThe sound is continuity----sow is pregnantAttention:If you receive the Veterinary Portable Ultrasonic Instrument with any problem, please feel free to contact us, we will reply for you within 12 hours.