How to tell if a mare is pregnant

Author: Randy Alexander
Date Of Creation: 27 April 2021
Update Date: 1 July 2024
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Ask the Vet - How to tell if your horse is pregnant
Video: Ask the Vet - How to tell if your horse is pregnant

Content

Spring is a period of heat for mare when the weather is warm and bright. During spring and summer, a mare can have a frequency of heat every 3 weeks. If you have a stallion and it has mated with a stallion during your estrous cycle, you will most likely have to check if it is pregnant. The gestation period of the horse is 11 months and the mare starts not to care about her stomach until the last 3 months of pregnancy. Here's how we know a horse is pregnant.

Steps

Method 1 of 2: Use a non-chemical method

  1. Check the female's behavior towards the male. A mare suspected to be pregnant may expose a male 14 days from the date of mating to observe their behavior.If pregnant, the mare will most likely reject the male advance and will not bring the anus toward the male as they did during heat. Even so, mates may reject males even when not in heat for other reasons.

  2. Watch for signs of heat in the stallion. Some females raise their tails, open and close the labia and pistil, urinate or spray mucus from the inside, acting as a sign of the oestrus cycle. If a female develops these symptoms 21 days after fertilization, they will not become pregnant.

  3. Invite your veterinarian to feel the rectum. Veterinarians may perform rectal palpation 16 to 19 days after mating. Your doctor will insert your hand into the mare's rectum to check the uterus for signs of pregnancy. These signs include the size, shape of the uterus, and swelling spots in the ovaries.

  4. Use an ultrasound to diagnose whether the mare is pregnant. This requires the doctor to insert a probe into the rectum to take pictures and to see if they are pregnant or not. After 16 days of mating, the fetus can be detected and when the fetus is 55 to 70 days old, doctors can determine their sex.
    • An ultrasound machine uses sound waves to take pictures of the uterus and can monitor the fetal heart rate.
    • Ultrasound is the most commonly used method of monitoring a horse's pregnancy as it is the most reliable method.
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Method 2 of 2: Use chemical method

  1. Conduct a blood test for the mare. It is possible to determine the pregnancy of the mare through the pregnancy hormone test. This is especially useful for those who do not like a non-chemometric determination of their pregnancy because their rectum is too small.
    • The veterinarian will take a blood sample. They will send the test sample to the lab and analyze.
    • Analyze the serum concentration (PMSG) of mares 40 to 100 days after mating.
    • If your horse is pregnant but miscarries, the PMSG test can give inaccurate results.
    • Analysis of Oestrone sulphate levels 100 days after birth. Oestrone sulphate levels increase while a horse is pregnant, but will return to normal if the pregnancy is lost.
  2. Urine test for horses. When verifying pregnancy, oestrone sulphate can be found in the urine of a mare. The urine test can be done at home by a veterinarian or breeder.
    • Buy a home pregnancy test device from grocery stores or online.
    • Test your stallion's urine about 110 to 300 days after mating.
    • Cut a container between 2 and 3.8 liters in half. Use the bottom to store the horse's urine.
    • Follow the instructions on the pregnancy test kit to analyze your horse's urine. It usually takes 10 minutes to get results.
  3. Confirm pregnancy test results. Using the chemical tests outlined above can tell if your horse is pregnant, but it is best done by a veterinarian, even if it is a test method. Chemical or non-chemical to ensure that the fetus does not miscarriage. In addition, chemical testing is sometimes not done properly, so the veterinarian's intervention is recommended to get the best results. advertisement

Advice

  • Horse owners often invite their veterinarian to do initial pregnancy tests to determine if they are pregnant. Having twins can be dangerous to your horse.
  • Mares usually give birth prematurely or experience miscarriages in the first 100 days of pregnancy. A home pregnancy test is a low-cost method that can be done for a second pregnancy test after 100 days of pregnancy.