My pekins love romaine lettuce. I had bought a 6 pack at Sam's and they have already eaten all of it, with the help of my rabbit and turtles. I just got a recall notice stating that the lettuce may be contaminated with E. coli? I can't seem to find anything online about how/if E. coli contaminated lettuce might harm them. Can anyone offer up some help? They don't seem to be sick or act sick, just concerned. Thanks