Conversation so far:
does a 10 week old kitten need milk
When the kittens are 8 weeks or older, they no longer need the milk but may enjoy it anyway.
when do kittens stop drinking milk
Kittens drink their mother's milk until the mother gradually weans them as early as 4 weeks old.

Question: what do kittens eat instead
Self-contained rewrite: what do kittens eat instead of milk when they are weaned off milk