Recent recommendations, based on reputable research, list the range for dietary protein to be from 10-30 grams of protein per kilogram body weight per day.
Here's the site I use for blanket sizes-about half way down page in bold type: http://knitting.about.com/od/knittingskills/a/blanket_sizes.htm. Says standard baby blanket size is 45x60 inches. When I've made baby blankets, I've made them closer to the actual crib size (28x52), because you don't need them to drape over the sides like a regular blanket.
Bed or Crib: How Long to Make Your Tied-Fleece Blanket. One of the most common questions I am asked about this project is how long to cut the fabric. My recommendation is to go to the fabric store and ask the attendant to cut the fleece to the dimensions you want. A normal twin blanket is 66 x 90 inches. A typical crib blanket is 45 by 60 inches.