19 to 26 grams of proteins are present in 4oz of fish.
Approximately 502.6 mg. of phenylalanine can be found in a 4 oz. steak.
4 ounces of Rep Snapper have 23 grams of protein.)
Wolfram|Alfa (see link below) estimates 31 grams of protein.
One serving of protein equals 4 ounces, which is about 23 grams of protein.
Solid White Albacore (tuna) in water Serving Size: 2 oz. drained Protein: 13g
About 0.22 ounces.
That is 0.667 ounces.
http://www.bu.edu/nfc/article_protein.html Indicates the answer is 28 grams
72 ounces
6 pounds 4 ounces is 2.83kg
That is approximately 4 ounces
You need approximately 12 pounds of shrimp.