How Long Can Puppy Food Sit Out. Unopened, canned pet food is good to use until the “use by” or “best by” date marked on the can. If necessary, confinement in a small space should be temporary and for short periods of time, say, a couple of hours, tops.
If the can itself doesn't specify how long it will keep once refrigerated, throw it out or use it after one or two days. We give ours away for free at our office. How long can canned dog food sit out before needing to be replaced?
As this happens, say “sit” and reward the puppy.
Cheap kibble can seem very appealing in terms of your bank balance, but it can be a false economy. Stretch out the time your puppy waits to get a treat. Dog obedience is a lifelong training process, but you can train your puppy simple commands in a few days. Always take the puppy out after meals or naps and before bed or being left alone.