It can be done, but it is not common. Due to the trauma involved with major abdominal surgery on such a large animal, the desexing of a female horse usually involves the removal of the ovaries only,...
A fixed female horse is still called a mare, in general female horses are not fixed unless you are trying to keep the population down. Female horses are rarely fixed to control breeding as it isn't a...
A female horse before a year of age is called a foal (the same as a male horse before weaning). Between 1 and 4 years of age, a female horse is called a Filly. After four years, a female horse is...