Three experiments were conducted with Ross-type broiler chicks to determine the optimum level of in­clusion fish meal and value bloodmeal as a substitute for fishmeal in practical starter ra­tions. The was found In be 7.5%. Higher levels tended increase cost production lower growth performances. ad­dition all vegetable protein rations resulted better performances than ration. II that blood coul...

The present study aimed to investigate whether alternative dietary protein sources modulate the microbial communities in the distal intestine (DI) of Atlantic salmon, and whether alterations in microbiota profiles are reflected in modifications in host intestinal function and health status. A 48-day feeding trial was conducted, in which groups of fish received one of five diets: a reference die...