Plant damage

One of my Aussie Dendrobium seedlings had the newest growth chomped and I lost two growing leads from a Cattleya lueddemanniana. If these losses don't immediately stimulate new leads to break then these plants will be set back by many, many months. I have also lost several growing root tips on a number of plants. I don't know if these losses are from snails/slugs or mice - I have seen evidence for both and will try to eliminate these critters ASAP. These newest losses took place after I had already applied Sluggo, but since the stuff doesn't act instantaneously that alone does not rule out snails/slugs as the culprit.