Many people are asking whether pig B-ultrasound can detect whether sows are in estrus? A good B-ultrasound machine can determine whether sows are in estrus based on the development of follicles. This requires technical guidance and training from professional technical teachers. Sows refuse to mate, which is related to sow limb diseases, cervical or urethral inflammation, etc. In addition, the individual differences between male and female pigs are too large, and the boars are not sexually active or lack of breeding, and it is difficult to complete breeding with experience. It is necessary to deal with the specific situation accordingly. Of course, it is also very important to use pig B-ultrasound to check and then judge.

Return to estrus or repeated infertility is mainly related to reproductive disorders, boar breeding ability and frequency of use, sow fallopian tube and metritis, high temperature stress, and good or bad artificial insemination technology. The feeding and management of male and female pigs should be strengthened, pig B-ultrasound examinations should be used frequently, boars should be used reasonably, the environmental temperature should be improved, sows should be bred in time, any form of stress should be avoided, metritis and porcine parvovirus disease should be prevented, and three consecutive recurrences of estrus should be eliminated after pig B-ultrasound examination.

Veterinary B-ultrasound

The lack of estrus or delayed estrus in weaned sows is mainly related to parity, season, length of gestation, body condition, feed quality and feeding level, environmental temperature and epidemic factors. B-ultrasound examination of pigs, excluding metritis and other reproductive disorders, mainly should strengthen feeding management. If there is still no estrus 30 days after weaning, after B-ultrasound examination of pigs, hormone treatment is required (one-time injection of 2 ml of sex hormone or the same treatment as gilts). Postpartum injection of antibiotics and sex hormones in sows can help prevent the lack of estrus or delayed estrus of sows after weaning.

There are many reasons for miscarriage, including diseases (infectious and non-infectious diseases), toxins, genetic factors, the influence of drugs (oxytocin, vasopressin, ergot alkaloids, etc.), high temperature environment or sudden climate change, mixed group fighting, climbing, trauma, etc. In addition to strengthening feeding management, strengthening B-ultrasound examinations for pigs, keeping pregnant sows in a quiet, cool and constant environment as much as possible, and avoiding feed deterioration, poisoning and drug and hormone interference, the main thing is to strengthen disease prevention and control measures to prevent the impact of diseases.

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