Sell Fish meal. In the diet of poultry should periodically include fish meal, which is one of the most nutritious protein food. Fish meal is manufactured from non-target fish and fish waste. Its constituent protein is easily absorbed by the body of the bird and contains an optimal balance of essential amino acids (lysine and methionine). Therefore, fish has a high biological value. Fishmeal contains from 46 to 60% protein and 15-18% fat, almost all amino acids, many minerals and vitamins.