This book deals with optimization of Protein contents one of the prime Nutritional components of diet for Pacific white shrimp Litopenaeus vannamei of tropical region. The contents include determination of digestible protein, digestible energy requirements and formulation of feeds accordingly to suit the needs of the shrimp to induce maximal growth interms of production. The book content Provides good and useful information on L. vannamei nutrition requirements with emphasis on Proteins.