18-21 days after copulated
Accessories: stereo earphone, search head, teaching tapes, lubricant and portable carry bags.
1. Simple type pregnant detectors.
2. It can check whether the sow get pregnant or not after 18~21 days of the sow copulated with the male. Thus the deed can lower the cost and increase the return.
3. If the sow copulated with the male are not pregnant after checking,we can fast grasp and forecast the next rut,then we can save the fodder and improve the efficiency.
4. The failure rate of checking pregnancy is almost zero.