[Petrova]

I've always wondered why horses are not used as livestock since they can also produce milk and have commercial use as well such plowing fields or transportation.

[lonelyasacloud]

Eating horse meat has a long history and is still part of the culture in many places e.g. Mongolia, France. https://en.wikipedia.org/wiki/Horse_mea

[Funes-]

Mare milk is consumed and commercialized [0].

[0] https://en.wikipedia.org/wiki/Kumis.