The book “The Influence of Ferrozan on the Metabolism and Productivity of Sows” by Vladimir Vasilyevich Demin is a unique study that immerses the reader in the world of animal husbandry and veterinary medicine, revealing important aspects related to the diet and health of pigs. This work will be of interest not only to specialists in the field of agronomy and veterinary medicine, but also to all who seek to deepen their knowledge of modern methods of increasing the productivity of agricultural animals. In his book, Demin examines the effect of ferrozene, a specialized drug containing iron, on metabolism in young sows. This question is extremely relevant, since the health of sows directly affects the quality and quantity of offspring, as well as the overall effectiveness of pig breeding. The author analyzes in detail how ferrosan helps improve metabolism, increasing the resistance of animals to various diseases and stresses, which in turn contributes to an increase in productivity. The book not only highlights the scientific aspects of the use of ferrozene, but also includes practical recommendations for farmers and veterinarians. Readers will be able to learn about methods of assessing the condition of sows, how to properly organize their feeding and care during puberty. Demin shares the results of his research, supporting them with statistical data and examples from practice, which makes the material accessible and understandable even for those who do not have deep knowledge in this field. Who can like this book? First of all, it will be of interest to students of agronomic and veterinary universities, graduate students and practitioners working in the field of animal husbandry . The book will also attract the attention of farmers who seek to improve the efficiency of their farms and improve the health of their animals. Readers interested in sustainable agriculture and modern methods of increasing productivity will find a lot of useful information in it. The topics raised in the book go beyond the mere study of ferrosan. Demin touches on animal health, feeding, genetics and herd management, making his work multifaceted and relevant in modern conditions. It emphasizes the importance of an integrated approach to sow care, which includes not only the use of supplements, but also the correct organization of conditions of detention and nutrition. The style of Vladimir Vasilyevich Demin is distinguished by scientific rigor and accessibility of the presentation . It skillfully combines theory and practice, which allows the reader not only to understand the essence of the issue, but also to apply the knowledge gained in practice. His arsenal includes many other works devoted to animal husbandry, which also deserve attention. Each of his works is imbued with the desire to improve the living conditions of animals and increase the productivity of agriculture. Thus, “The Influence of Ferrosan on the Metabolism and Productivity of Sows” is not just a book, but a storehouse of knowledge for those who want to deepen their knowledge in the field of pig breeding and veterinary medicine. It will become an indispensable assistant for professionals and amateurs seeking to improve their skills and improve the efficiency of their economy. Do not miss the opportunity to discover the world of modern technologies in animal husbandry and take a step towards successful business in this area!