Yes, juvenile rats respond better to tickling and tickling just after weaning will get the best results. Starting tickling past 3 months of age is harder and th

Yes, juvenile rats respond better to tickling and tickling just after weaning will get the best results. Starting tickling past 3 months of age is harder and there is less research on it. That said, some rats just don't respond well to tickling so if you see obvious negative behavior after 2-3 sessions then you should stop trying. Source: Recently certified rat tickler (proof: https://imgur.com/rzdvf61 https://imgur.com/rzdvf61)