The preent book has been written with the objective to cover the syllabus of Courses prescribed at country level by V.C.I. and I.C.A.R. for B.V.Sc. & A.H students and for B.Sc. (Ag.) students of Indian Universities on Animal Genetics, Population Genetics and Animal Breeding, particularly in Indian context. Hope this book will be of great help and great use in general to all interested in the subject and particularly to the under-graduate and post-graduate students, to the teachers and for those who appear in All India Competitive Examination of JRF, SRF, NET, SET, and others. This book has covered all the topics of the subject of animal genetics and breeding prescribed in the syllabus. The entire subject matter has been spread over 27 chapters. The first 10 chapters of the book have been devoted to principles of Animal Genetics, next 9 chapters to Population Genetics concerning with the genetic structure of population for qualitative and quantitative characters and last 8 chapters to Animal Breeding covering the methods of exploitation of genetic variation for the genetic improvement of farm animals