“…Table 4 shows the dietary treatment and the calculated analysis of each ration. Menge and Lillie (1960), Summers et al (1959a,b), and others have obtained fairly consistent responses from fish soluble supplementation with rations containing high levels of methionine. Growth was not significantly improved by adding 3.5 percent of either fish meal, whole fish meal (solubles added) oi poultry byproducts meal to the ration oi with a 4 percent dietary level of condensed fish solubles.…”