Interesting... is that like sponsoring a cow until it's time for buchering, or does the sponsor have to literally take one half of the cow, after slaughter?
The USDA requires animals to be sold by the half unless the live animal is sent to an approved processing plant. In my area I would have to transfer the animals for a couple of hours to get to a plant so I could sell the meat at a farmers market, so I just sell halves.
The big processors don't like competition. Thank you government for protecting me.