ive never had problems with kits drinking from a water bottle some are just a little slower getin used till it than others they learn quick but it still always good to have a dish of water to
when your handling your ferrets just keep putting the collar on it it will soon get used till it and put new holes in your collar strap to suit the neck size of the ferret your working just make sure its on tight not to tight
my kits be eating rabbits from 3 weeks old i always gut and skin mine then give them it so your new kits should be well weaned if there 8 weeks and they should be eating dry mix to