maximum growth was achieved by larvae fed 50 % of the phenylalanine level found in larval tissues , threonine and tryptophan were the limiting amino acids in this study and are probably required in the diet in excess of twice the concentration occuring in larval tissues , probable ranges for quantitative amino-acid requirements of t. molitor were determined and suggestions were made for improving the nutritional adequacy of the amino-acid mixture .
C1514721
ranges
C0392762
quantitative