Breeding horses is a thrilling experience. It requires a lot of hard work, patience, and attention to detail. When it comes to breeding mares, checking if they are pregnant is one of the most important things to do. There are various methods of determining if a mare is pregnant, each with its pros and cons. In this article, we will take a close look at some of the ways you can use to check if your mare is pregnant.

Ultrasound

Ultrasound is the most common and reliable method of checking if a mare is pregnant. The procedure involves using sound waves to create an image of the fetus. The veterinarian will apply a lubricant to the mare’s belly and use an ultrasound probe to scan the reproductive tract. The procedure is safe and straightforward, and you can get reliable results as early as 14-16 days after breeding.

Ultrasound is beneficial in that it is non-invasive and does not pose any risks to the mare or the fetus. It is also an excellent tool for monitoring the mare’s reproductive health during pregnancy. However, the cost of the equipment needed to perform ultrasound can be steep, and you may also need to pay for the services of a highly skilled professional.

Rectal Palpation

Rectal palpation involves inserting a gloved hand into the mare’s rectum to feel for the presence and size of the fetus. This procedure can be performed as early as 18-21 days after breeding, and it is relatively reliable. However, it is not as accurate as ultrasound, and there is a risk of injuring the mare or the fetus during the procedure.

Hormonal Testing

Hormonal testing involves analyzing the mare’s blood or urine to determine her hormone levels. After breeding, the mare’s body will begin to produce a hormone called Pregnant Mare Serum Gonadotropin (PMSG). The hormone levels increase as the pregnancy progresses. You can start testing for PMSG as early as 7-10 days after breeding.

While hormone testing is an easy and noninvasive method of checking if a mare is pregnant, it is not as reliable as ultrasound or rectal palpation. The hormone levels can also be influenced by other factors such as stress, illness, or infertility.

Behavioral Changes

Mares that are pregnant may exhibit some behavioral changes such as increased appetite, weight gain, and lethargy. However, these signs are not always definitive, and they can also be influenced by other factors such as stress, illness, or season.

Concluding Thoughts

Breeding horses can be overwhelming, and checking if your mare is pregnant is a crucial step in the process. While there are various methods of checking for pregnancy, ultrasound remains the most reliable and widely used method. It is recommended that you consult a licensed veterinarian to perform any of these methods to ensure the safety of your mare and the fetus. With patience and due diligence, you can ensure your mare has a healthy and successful pregnancy.

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