The book "Mechanisms of leukemia process in cattle in the Nizhny Novgorod region", written by Alexander Alexandrovich Orlov, is a unique study that immerses the reader in the world of veterinary medicine and zootechnics. This work is not only scientific, but also practical, which makes it a valuable resource for specialists in the field of animal husbandry, veterinarians, students of agricultural universities and everyone who is interested in animal health. The author focuses on leukemia, one of the most serious diseases affecting cattle. Orlov describes in detail the mechanisms of occurrence and development of this disease, based on his own research and observations in the Nizhny Novgorod region. The reader will be able to learn about how various environmental factors, genetic predisposition and animal conditions affect the development of leukemia. This study not only highlights the importance of early diagnosis and prevention, but also offers practical recommendations to combat this disease. The book will be of particular interest to veterinarians working with cattle, as well as animal technicians and agronomists dealing with animal health. It can also attract the attention of students studying veterinary medicine and zootechnics, as it contains a lot of useful data and modern research. For those interested in animal health, especially in the context of modern challenges in agriculture, this work will be a real find. The topics raised in the book go beyond a simple description of the disease. Orlov examines the impact of leukemia on livestock productivity, its economic consequences for farmers and agricultural enterprises It focuses on the importance of an integrated approach to problem solving, including genetic research, diagnosis and prevention. The reader will be able to see how science and practice can work together to achieve better results in the field of animal husbandry. The style of Alexander Alexandrovich Orlov is distinguished by clarity and accessibility, which allows even complex scientific concepts to convey to a wide audience. His previous works, such as Diseases of Cattle: Diagnosis and Treatment and Modern Methods of Veterinary Medicine, have also been recognized for their in-depth analysis and practical focus. In "Mechanisms of the Leukaemia Process", the author continues this tradition, offering the reader not only theoretical knowledge, but also practical advice that can be applied in real life. This book will be an indispensable helper for anyone who wants to better understand the problems associated with leukemia in cattle, and find effective ways to solve them. It opens new horizons in the field of veterinary medicine and zootechnics, emphasizing the importance of a scientific approach to animal health issues. Readers interested in modern animal husbandry research and practices will find in this work many valuable ideas and recommendations. If you are looking for information about leukemia in cattle, methods of its diagnosis and treatment, as well as how to improve the health of your animals, the book Orlov will be a real discovery for you. Do not miss the opportunity to enrich your knowledge and gain practical skills that will help you in your professional activities .