I don't have a problem with horses being raised for meat being used as so. I do have a problem with horses that were used as pets being used for meat. I put that equal to eating the family dog. And yes, any animal that is considered a pet - cow, chicken, turkey, pig etc..etc... I do not eat. And...
I would call your local animal control or ASPCA and inform them of the ad. It is illegal to kill horses for meat etc... on personal property or whatever....... some people geesh