In British Columbia, Canada, there is a system called Loop Resources (https://loopresource.ca/ https://loopresource.ca/) whereby grocers and farmers can connect

In British Columbia, Canada, there is a system called Loop Resources (https://loopresource.ca/ https://loopresource.ca/) whereby grocers and farmers can connect and expired food can be set aside and picked up by farmers to feed to their animals. The one farmer I know who participates collects a pickup truck full 3x per week, and he is only one of several farmers collecting from that grocer.