The branch of biotechnology which uses genetic engineering to modify organisms is known as animal biotechnology. Some of the techniques used in animal biotechnology are recombinant DNA, cloning, etc. Animal biotechnology can improve the growth rate and immunity of an animal. The various studies that are constantly contributing towards advancing technologies and evolution of the field are examined in the detail in this book. It aims to serve as a resource guide for students and experts and contribute to the growth of the discipline.