Thanks all for the suggestions ....
KMR - I picked up some KMR but worried that as it is cows milk that it would give the kittens diarrhea ... and they sure don't need the weight loss.
Inside - can't bring them inside as our inside cat is a DIVA and growls & hisses at the kittens. Don't want...
We are renters on a farm/storage facility and there are a few feral cats ... they assist with keeping rodent populations down. A feral kitten that was born this winter had kittens the end of April. She had 6 but 2 died at birth :-( . Last week Momma 'disappeared' :-(. Her kittens are not yet 2...