This book covered the current knowledge on structural as well as functional attributes of Heat shock protein 70 (Hsp70), which is the prime as well as abundant stressor protein in biological systems. In this book, the authors discuss research including the Heat Shock Proteins: History, Discoveries, and Implications in Diseases, Therapeutic and Research Options; Intracellular Versus Extracellular Hsp70; Role of Hsp70 in Sperm Quality; Heat Stress and Livestock Adaptation: An HSP70 Perspectives; Bovine Heat Shock Protein 70 (Hsp70) and Its Role In Thermoregulation; The Role of Hsp70 in Sperm Quality; comprehensive review on HSP70 in shrimps and role of microbial heat shock protein70 (mHSP70) in the development of veterinary vaccines. This book will be convenient for researchers engaged in the fields of Medicine, Physiology, Clinical Trials, Biotechnology, Molecular Medicine and Pathology.