How long is the pregnancy of a mare

Do you have a mare and want to know everything about reproduction? Well, keep reading because we're going to tell you all about the pregnancy of the mare . If you own horses, the idea that your own mare breeds may be attractive to you, but you have to have certain knowledge to undertake this goal. You must know everything about reproduction and especially about pregnancy. In .com we tell you how long the pregnancy of a mare lasts .

Steps to follow:


The pregnancy of a mare usually lasts between 10 or 11 months, although it could be extended until the year according to circumstances. Like all viviparous animals, the brood develops inside the belly of the mare, feeds on it and once developed the moment of birth arrives. The mares usually stop only one young that is known as "foal". In some cases twin pregnancies have been detected but they usually do not come to fruition.


The reproductive stage in horses begins at puberty, between 15 and 24 months in females, in the case of males it is between 14 and 18 months. Already at this stage horses can reproduce but their sexual maturity reaches at 4 years. Horses have a very long sexual life in time: females up to 15 years and in males all their lives.

In we tell you how old a horse lasts.


To understand when it is possible for a pregnancy to occur, you must know when the mares are zealous . Mares have a seasonal ovulation cycle and usually correlate with spring and summer, when there are more hours of light. The normal thing is that they go into heat every 21 days and their menstruation lasts between 5 and 7 days. Your ovulation occurs 24 or 48 hours before the end of the heat.

Once mating has taken place, the mare will breed a baby for a period of approximately 11 months. When it is born, the baby will start to get up and breastfeed minutes after birth and will continue to breastfeed in the next 6 or 8 months of life.


If your mare is pregnant it is recommended that you take some precautions. Most of the development of a baby is accelerated in the last months of pregnancy so a mare can be mounted safely in the first 6 months of pregnancy but then you have to let the female is quiet so there are no risks of abortion .

In these final months you must give an extra supply of protein-rich food to promote the development of the fetus. Apart from the food, you should ensure that your female does regular exercise so that the circulation of the hind legs is not affected.