It's not as low as I had read previously... this may be due to diff in feed profiles now.. or I could have read faulty data before...
comparing wiki link and this data, egg whites are slightly low in : threonine, lysine, and histidine... not massively, but slightly...
so, now that you brought this to my attention, I will revise my statement... add 1 yolk to every 8-10 eggs...
btw, thank you for bringing this to my attention... I like to have fully correct knowledge in my head, not slightly incorrect...
Amino Acid Profile per 100g(Egg whites)Alanine 5.49g Isoleucine 5.0g Serine 6.07g
Arginine 4.54g Leucine 6.80g Threonine 3.41g
Aspartic Acid 6.09g Lysine 4.64g Tryptophan 1.18g
Cystine 1.88g Methionine 3.01g Tyrosine 3.21g
Glutamic 10.89g Phenylalanine 4.94g Valine 6.02g
Histidine 1.67g Proline 2.92g Glycine 2.89g