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Mare. A broodmare. Note slight distension of belly, indicating either early pregnancy or recent foaling. A mare is an adult female horse or other equine. [1] In most cases, a mare is a female horse over the age of three, and a filly is a female horse three and younger. In Thoroughbred horse racing, a mare is defined as a female horse more than ...
Mares are dewormed a few weeks prior to foaling, as the mare is the primary source of parasites for the foal. [16] Mares can be used for riding or driving during most of their pregnancy. Exercise is healthy, though should be moderated when a mare is heavily in foal. [17]
When a mare is pregnant, she is said to be "in foal". When the mare gives birth, she is "foaling", and the impending birth is usually stated as "to foal". A newborn horse is "foaled". After a horse is one year old, it is no longer a foal, and is a "yearling". There are no special age-related terms for young horses older than yearlings.
Endometrial cups are unique to animals in the horse family, and so named because of their concave shape. [1] They are a placenta-associated structure, [2] found in the uterine wall of a mare from about 38 to 150 days into a pregnancy. After about 70 days, they begin to regress, [3] and are eventually destroyed by the immune system. [2]
This is a collection of lists of mammal gestation period estimated by experts in their fields. The mammals included are only viviparous (marsupials and placentals) as some mammals, which are monotremes (including platypuses and echidnas) lay their eggs. A marsupial has a short gestation period, typically shorter than placental.
The drug Premarin is a mixture of estrogens extracted from the urine of pregnant mares (pregnant mares' urine), and was previously a widely used drug for hormone replacement therapy. [227] The tail hair of horses can be used for making bows for string instruments such as the violin, viola, cello, and double bass. [228]
A mare may be in heat for 4 to 10 days, followed by approximately 14 days in diestrus. Thus, a cycle may be short, totaling approximately 3 weeks. [ 21 ] Horses mate in spring and summer; autumn is a transition time, and anestrus occurs during winter.
The major brand name of the natural form of CEEs manufactured from the urine of pregnant mares is Premarin. [6] Major brand names of fully synthetic versions of CEEs include Cenestin and Enjuvia in the United States and C.E.S. and Congest in Canada. [6] [8] [9] CEEs are also formulated in combination with progestins. [6]