1.Pigs ultrasound monitoring follicular development and ovulation provide a reliable scientific basis for when to breed and improve breeding rate;
2.B ultrasound early pregnancy monitoring can find empty sows in time at the earliest 18 days after breeding,so as to make corresponding treatment as soon as possible;
3.B ultrasound monitoring during pregnancy can detect stillborn foetus,abortion and embryo absorption in time,and can estimate the number of pregnant offspring at the same time;
4.B-ultrasound monitoring during the delivery period can determine the vitality of the fetus and whether the fetus and the placenta are exhausted;
5.Postpartum B-ultrasound monitoring can observe the recovery of the uterus,and diagnose endometritis,pyometra,effusion and other reproductive disorders;
6.It can be used for the determination of backfat thickness and eye muscle area in vivo,providing accurate data for breeding pig breeding and quality identification.