animals shall have access to clean water in all holding pens and, if held longer than 24 hours, access to feed

As part of the USDA Humane Slaughter Act, “animals shall have access to clean water in all holding pens and, if held longer than 24 hours, access to feed.” Note the pipe rail on the cattle side to prevent cattle from defecating in tanks (this is a problem in parts of the world where bulls are raised.