THE EFFECT OF USING DIFFERENT RATIOS OF FISH BY-PRODUCTS (INTERNAL ORGANS) ADDED TO THE STOMACH POWDER ON SOME FEED EVALUATION CRITERIA AND PROTEIN FOR COMMON CARP (CYPRINUS CARPIO L.): THE EFFECT OF USING DIFFERENT RATIOS OF FISH BY-PRODUCTS (INTERNAL ORGANS) ADDED TO THE STOMACH POWDER ON SOME FEED EVALUATION CRITERIA AND PROTEIN FOR COMMON CARP (CYPRINUS CARPIO L.). IJMRCP 2025, 17 (2), 51-59.