[Drago]

I think like amity said, it's all up to preference! Both work very well and as long as your ham likes it, it's fine to use. I personally dislike bowls simply due to the maintenance needed to keep them clean and free of bedding, but that doesn't make them bad, just a bit more work! If you want to use a bowl that's fine as long as your ham likes it, a bottle is just fine too, and you could use both if you really wanted to