Are Bottle Fed Kittens More Affectionate . But if a kitten starts to become a biter at about 8 weeks, hold it in your hand and firmly tell it “no!” then put it down and withdraw your attention for some minutes. You will know you are doing a good job if your babies feel firm, are content and continue to gain weight. Kittens Bottle Feeding Cutest Moments YouTube from www.youtube.com There are plenty of kitten feeding bottles and nipples available for purchase online and at pet stores. This is the position the kitten would be taking up if it were nursing from its mother. Back to friend who decides to finish the bottle feeding.