How do I bottle-feed my kitten? - Oakdale Veterinary Group

You typically take kittens, and you would just pop the bottle in the mouth, just like you're feeding a baby. And if they're hungry, they'll drink.

How do I bottle-feed my kitten? - Animal Hospital of Statesville

It's going to take a lot of time. Depending on their age, kittens need to be fed very frequently—every two to three hours. Because their stomachs are small, so you can't feed them a lot of volume at one time. Therefore, they have to be fed very frequently.