The technique by which semen is collected and then introduced into the female reproductive tract at the right time is referred to as artificial insemination. Under hygienic conditions, the semen is placed either into the cervix or the uterus. Using this technique, germplasm of the male animals of the highest quality can be utilized effectively with least regard to their location, especially in remote locations. Artificial insemination is helpful in livestock improvement. It allows the use of injured animals and increases the rate of conception. Mating of animals with great difference in size also becomes possible. Popular insemination methods employed include recto vaginal method and spectrum method. The book presents researches and studies performed by experts across the globe. Also included in this book is a detailed explanation of the various concepts and applications of artificial insemination. As this field is emerging at a rapid pace, the contents of this book will help the readers understand the reproductive technologies in farm animals.