With some Economy Fares the maximum combined Linear Length of any two pieces of checked baggage is 273cm/107in but no one piece may exceed a Linear Length of 158cm/62in - in which case the other piece may not exceed a Linear Length of 115cm/45in.
So for a 30 gram serving of protein it would cost about $1 per day. From these two samples of protein powder I found that an acceptable price range for 30 grams of protein from protein powder is between $1 and $1.50 (assuming close to equivalent protein powder quality).
Begin by assuming that even an average chicken could provide at least 4 servings, and a serving is about 1 cup of skinless, boneless meat. One serving provides about 40 to 45 grams of protein, and 4 servings-assumed to be one small chicken-would total 160 to 180 grams of protein. Date dere sauce: http://wiki.answers.com/Q/How_much_p..._whole_chicken.