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Observation of the Three Stages of Pregnancy in Sows by Veterinary Ultrasound

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Update time : 2024-09-05 11:24:03

Pregnant sows give birth at 3 months, 3 weeks, and 3 days -114 days after reproduction. The gestation period of sows is not divided into three months like human pregnancy, but they do have some milestones in fetal development.

Observation of the Countdown Stage for Sows by Veterinary Ultrasound

The gestation time of sows starts from reproduction. The estrus cycle of most sows is 21 days, so it is recommended to try breeding every three weeks. They maintain their standing heat, which is the period when sows are willing to reproduce, usually only for 36 to 60 hours. Pay attention to the date of breeding sows and boars together; This is the day when the calculation of pregnancy begins. Sows do not immediately show signs of pregnancy - a simple way to determine if a sow is pregnant through veterinary ultrasound is to see if the sow has returned to estrus within three weeks. If the sow does not do so, the sow may become pregnant.

 

Observation of sows during implantation stage using veterinary ultrasound

The fertilized egg takes some time to reach the resting position of the sow's uterus, usually between 15 and 20 days. Embryos can only survive after successful implantation of four or more embryos; Otherwise, the sow's body will reabsorb the embryo and return to its normal estrus cycle. Five or more implanted embryos mean that the sow's body will release enough estrogen to sustain pregnancy.

Observation of fetal skeletal development stages in sows using veterinary B-ultrasound

The images of the animal B-ultrasound machine show that the fetal bones are soft and organized until the 30th day. If a sow experiences problems during pregnancy until today, her body will reabsorb the piglets instead of allowing the sow to feed stillbirths. After 30 days of pregnancy, B-ultrasound images showed that the bones of the piglets and sows began to calcify and harden. This is the key to their development and successful pregnancy. After about the 35th day, pregnancy issues may lead to the mother pig infecting the mummy and resulting in stillbirth of the baby. After the skeleton is formed, babies look like small versions of sows, but they are not yet ready to be born. At 60 days, they cultivated most of their immune abilities using antibodies from mother pigs. They dEVOte the remaining pregnancy period to the development and ultimate growth of organs, systems, and brains.

 

Observation of the imminent delivery stage of sows using veterinary B-ultrasound

Even with the 114 day guide, you won't know exactly when the piglets and sows will appear. About four days before the baby appears, you may notice that your sow has a swollen or red external genitalia. Mother pigs may start creating a nest at their stall about 24 hours before delivery, moving bedding to a soft pile. You may also notice that 48 hours before the arrival of * * * babies, the mother pig's pacifier will leak liquid, which will turn from clear to white over time during delivery. Most sows do not require assistance to provide, although it can help piglets quickly find a nipple from which to drink colostrum. If you are concerned that the sow is overly nervous without piglets, please call a veterinarian for help.



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tags: Veterinary Ultrasound animal B-ultrasound
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