Aquaculture, the farming of aquatic animals has been the world’s fastest food production sector and has gained importance all over the world. Shrimp culture has became synonyms of the aquaculture. Shrimp Seed production is the most important aspects for the successful farming.Quality of the larvae helps to boost up the production. Probiotics are one of the most important research developments in recent times in the field of health care. In this book effect of Lactobacillus acidophilus on growth, survival and quality of the larvae is discussed The work was very interesting for me. Microscopic photography of the various larval stages was a challenging job.The book will be very useful for students, hatchery entrepreneurs and researchers for further references and work.