From The Womanly Art of Breastfeeding, 8th Edition by La Leche League International (c) 2011
The only thing I have to add to the above recommendations is to make the baby "work" for "letdown" while bottle feeding so that they have to suck that first stimulatory suck that they do when they latch onto the breast, which triggers the mother to let down. After a minute or so you can allow the nipple to get more milk to simulate letdown. After several minutes there, tilt the bottle backwards again so they have to "work" for another "letdown" and continue until the baby is finished (NOT necessarily until the bottle is empty).
For folks who need some rules to follow- general rules of thumb include no more than once ounce per hour, and it's a good idea to have 20-30 minutes be the goal to finish the bottle. If the baby is finishing the bottle in less time than that, their stomachs won't have enough time to communicate to their brains that they're full. Slow feeds more accurately replicate breastfeeding so they prevent both overfeeding and flow preference! It's generally much better to offer smaller amounts more frequently (i.e. 1.5-2 ounces every 1.5-2 hours) than larger amounts less often (i.e. 3-4 ounces every 3-4 hours).
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