Veterinary B-ultrasound Equipment

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The role of veterinary B-ultrasound in dystocia in bitches

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Update time : 2024-09-26 11:21:54

Diagnose dystocia in bitches by using veterinary B-ultrasound. For example, if the posture and position of the fetus in the bitch's body are poorly developed or the maternal pelvis is damaged after birth, resulting in strong and continuous contractions for more than 30 minutes, but no fetus is expelled; if the contractions are weak or absent for 2-3 hours, and the delivery interval exceeds 4 hours, it proves that the dog has dystocia. The specific situation can be diagnosed by veterinary B-ultrasound.

Treatment of dystocia: Drug treatment: After the birth canal examination, if the cervix has opened, the fetal position has been corrected, and the uterus is weak in contraction, 3-5 units of oxytocin are selected for intramuscular injection. If milk leakage is found after the injection and the fetus still cannot be expelled, veterinary B-ultrasound examination should be used, and cesarean section should be considered. Correction and traction: Abnormal fetal posture, position and direction may cause dystocia. According to the common clinical dystocia fetal position, there are many dorsal positions (the head and tail of the fetus are at the base of one uterine horn, and the back of the fetus is at the edge of the uterine body); followed by abdominal position (the head and tail of the fetus are at the base of one uterine horn, and only one or two forelimbs enter the uterine body); and breech position (the fetus is in a sitting position, first with the tail inserted into the birth canal or the two forelimbs are extended forward to enter the birth canal at the same time as the head, increasing the area of the birth canal and causing dystocia). At this time, the mother's vagina can be washed with disinfectant (Sanisol solution), and she can stand on the table or delivery bed, and the vaginal wall can be smeared with lubricating oil. The assistant will turn the tail over, and the midwife will use the index finger or middle finger of the right hand to correct the fetus through the vagina, and the left hand will help push the fetus through the abdominal wall to make the fetus enter the normal fetal position, and then use the fingers to pull the fetus with the mother's contractions to make the fetus delivered. If the fetus still cannot be delivered, veterinary B-ultrasound examination should be performed, and laparotomy should be considered as soon as possible. Caesarean section: It is mainly suitable for those who do not respond to drug treatment, have narrow birth canal, the fetus is too large, the head cannot pass through the hard birth canal of the mother, and correction and traction are ineffective. Within 24 hours after the start of contraction, the fetal survival rate can reach more than 80%. After 24 hours, the fetal survival rate gradually decreases. Veterinary B-ultrasound examination can confirm whether the fetus died in the mother's body. You can also palpate the two sides of the mother's abdominal wall with both hands, or use a stethoscope to listen to the fetal heart sounds on both sides of the mother's abdominal wall.



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