This monograph contains six chapters, each describing a recent advancement in animal science and zoology. Chapter One discusses recent developments in the knowledge of diapause in silkworm as well as the overall genomics of silkworm. Chapter Two reviews past studies and publications to provide a holistic understanding of the relationship between terrestrial mammals and mineral licks in the tropical rainforest of Malaysia. Chapter Three describes the effects of prenatal undernutrition in animal production systems. Chapter Four explores the relationships among straw-coloured fruit bats, particularly in connection with kin preference. Chapter Five deals with the functions of red blood cells in rainbow trout. Finally, Chapter Six details the history of the discovery of amphibian species in India.