Sarah Miller
September 2, 2012

You know that human breast milk is very important for babies’ development. (If you don’t know this, go ostentatiously bottle-feed a baby doll near a farmers market! It will be fun, I promise.) But for various reasons, sometimes new moms can’t breastfeed — they need medication that shows up in breast milk, for instance, or they just don’t produce enough. And this is where genetically engineered goats, uh … butt in.

Animal scientists at the University of California, Davis have figured out how to genetically engineer domesticated mammals to produce some of the enzymes and proteins found in breast milk. This means that infants who couldn’t breastfeed could instead drink goat milk with about 60 percent of the beneficial immune-boosting and just general good-for-you power of mother’s milk.

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