What Is a Sterile Female Horse Called? Understanding Molly Mules
Learn what a sterile female horse is called and why molly mules are typically sterile offspring of donkeys and horses.
Video transcript
A sterile female horse is called a molly mule. Mules are the offspring of a male donkey and a female horse, and they are typically sterile due to the differing number of chromosomes in donkeys and horses.
Questions and answers
Why are molly mules sterile?
Molly mules are sterile because they are hybrids of a male donkey and a female horse, which have different numbers of chromosomes that prevent viable reproduction.
What is the difference between a mule and a hinny?
A mule is the offspring of a male donkey and a female horse, while a hinny is the offspring of a male horse and a female donkey.
Can female horses be sterile for reasons other than being molly mules?
Yes, female horses can be sterile due to various health or reproductive issues, but a sterile female horse created by breeding with a male donkey is specifically called a molly mule.
Are all mules sterile animals?
Most mules are sterile due to their mixed chromosome sets, though there are extremely rare cases of fertility.