Just wanted to throw out there a couple of things about milk bottles -
1. When you switch to a milk bottle you then have to wean you baby/toddler from that bottle as well. My second child did
not want to give up his milk bottle for anything. It took a whole year and a traumatic Grandma-stealing-the-bottle-from-his-little-hands incident for him to finally stop. There were tears. Lot of them. Not good.
2. Milk replacing the bottle doesn't really make sense. Nutritionally you baby needs more than just the milk and will probably want a snack around the same time anyway.
I found that switching to a sippy cup filled with milk and accompanied by a snack was better. For #1 and #3 (lol, don't ask why I shook things up with #2) I replaced one day bottle with milk and a snack... then another... and eventually we were just done. I start at about 12 months and really by 13 months both little kiddos had been weaned entirely. I plan to do the same with #4.

Hopefully it will go equally well!
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