The book "Efficiency of using bentonite and sugar production defect in the premix in the cultivation of calves" by Alexei Anatolyevich Naumov is a unique study that combines elements of agronomy, veterinary medicine and zootechnics . This publication will be of particular interest to both agricultural specialists and students of agronomic and veterinary faculties, as well as to anyone who is interested in modern methods of increasing livestock productivity. In his book, Naumov discusses in detail the use of bentonite, a natural mineral with unique properties, in combination with a defect in sugar production. This approach to creating premixes for calves opens up new horizons in the field of feeding and caring for young . The author not only describes theoretical aspects, but also shares practical recommendations based on his own research and experience. The reader will be able to learn how to properly use these components to achieve maximum efficiency in growing calves, improving their health and productivity. The book will be useful not only to professional pet technicians, but also to farmers who seek to optimize their feed and increase the profitability of their business. It may also be of interest to undergraduate and graduate students who study modern technologies in animal husbandry. In the face of increasing competition in the agricultural market, such knowledge becomes especially relevant. The topics raised in the book cover a wide range of issues related to feeding and caring for calves. Naumov analyzes in detail the effect of bentonite on digestion and nutrient absorption, and also considers how a sugar production defect can become a valuable feed component. These aspects not only help to improve animal health, but also contribute to lower feed costs, which is an important factor for any manufacturer. The style of Alexei Anatolyevich Naumov is characterized by accessibility and clarity of presentation . He skillfully combines scientific data with practical examples, which makes the material easily perceived even for those who do not have deep knowledge in the field of zootechnics. Naumov is the author of several other works on agronomy and animal husbandry, and his research is always thorough and thorough. The book “Effective use of bentonite and sugar production defect in the premix in the cultivation of calves” will be an indispensable assistant for those who want to deepen their knowledge in the field of feeding and caring for young animals. It not only expands the horizons of understanding modern animal husbandry methods, but also offers practical solutions that can be applied in practice. If you are looking for information on how to improve the health and productivity of your calves, or want to learn about modern approaches to feeding, this publication should definitely take place on your shelf. Read, study, and apply the knowledge gained in practice, and you will see how your efforts will bear fruit in the form of healthy and productive animals.