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This article was co-written by Pippa Elliott, MRCVS. Elliott is a veterinarian with more than thirty years of experience in veterinary surgery and pet treatment. She graduated from the University of Glasgow in 1987 with a degree in veterinary surgeon. She has worked at a veterinary clinic in her hometown for more than 20 years.
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Spring is the period of estrus for mares when the weather is warm and there is plenty of light. During spring and summer, a mare can have estrus every 3 weeks. If you have a stallion and it has mated with a stallion during the heat cycle, you will most likely have to check to see if it is pregnant. The gestation period of horses is 11 months and mares begin to ignore their stomachs until the last 3 months of gestation. This is how we know a horse is pregnant.
Steps
Using non-chemical methods
- An ultrasound machine uses sound waves to take pictures of the uterus and can monitor the fetal heart rate.
- Ultrasound is the commonly used method for monitoring equine pregnancies because it is the most reliable method. [6] X Research Source
Using chemical methods
- Your veterinarian will take a blood sample. They will send the sample to the lab for analysis.
- Analyze serum levels (PMSG) of mares 40 to 100 days after mating.
- If your horse is pregnant but miscarried, testing for PMSG may be inaccurate.
- Oestrone sulphate level analysis after 100 days of birth. Oestrone sulphate levels are elevated when the horse is pregnant, but this level will return to normal if the pregnancy is lost.
- Buy a home pregnancy test from grocery stores or online.
- Test the urine of stallions 110 to 300 days after mating.
- Cut a 2 to 3.8 liter container in half. Use the bottom to hold the horse’s urine.
- Follow the instructions written on the pregnancy test kit to analyze your horse’s urine. Usually it takes 10 minutes to get results.
Advice
- Horse owners often invite their veterinarian to perform initial pregnancy tests to determine if they are carrying twins. A twin pregnancy can be dangerous to your horse.
- The mares often give birth prematurely or miscarry during the first 100 days of gestation. A home pregnancy test kit is an inexpensive method that can be used for a second pregnancy test after the first 100 days of pregnancy.
This article was co-written by Pippa Elliott, MRCVS. Elliott is a veterinarian with more than thirty years of experience in veterinary surgery and pet treatment. She graduated from the University of Glasgow in 1987 with a degree in veterinary surgeon. She has worked at a veterinary clinic in her hometown for more than 20 years.
This article has been viewed 9,121 times.
Spring is the period of estrus for mares when the weather is warm and there is plenty of light. During spring and summer, a mare can have estrus every 3 weeks. If you have a stallion and it has mated with a stallion during the heat cycle, you will most likely have to check to see if it is pregnant. The gestation period of horses is 11 months and mares begin to ignore their stomachs until the last 3 months of gestation. This is how we know a horse is pregnant.
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