Regulation (EC) 1831/2003 of the European Parliament and of the Council of 22 September 2003 on additives in animal feed is an important document. It’s not just a set of rules ,. The whole system , regulating the use of additives in animal feed in the territory of the European Union. This regulation has become fundamental to ensuring the safety and quality of feed, which in turn directly affects animal health and, ultimately, the safety of food that comes to the table for humans. The book is written by a team of authors, which allows combining the opinions of experts from various fields: veterinary medicine, agronomy, food safety and law. This makes it particularly valuable for professionals working in these fields, as well as for students and researchers seeking a deeper understanding of regulatory mechanisms in agriculture and animal husbandry. The topics raised in the book cover a wide range of issues, from scientific studies confirming the safety and effectiveness of supplements to the legal aspects of their use. Regulation 1831/2003 includes criteria for the evaluation and approval of additives, making it an indispensable tool for feed producers, veterinarians and agronomists. Readers will be able to learn about what supplements can be used, how they should be tested, and what consequences may arise from non-compliance with the rules. This book will be of interest not only to professionals, but also to those who are simply interested in environmental issues, sustainable agriculture and animal health. It can be useful for farmers who want to provide their animals with quality food, as well as consumers who care about what they eat. With a growing interest in organic food and safe eating, understanding of regulatory norms is becoming particularly relevant. The style of the authors is distinguished by clarity and accessibility, which allows even non-specialists in the field of veterinary medicine and agronomy to easily absorb the material presented. The book is replete with examples from practice, which makes it not only theoretically sound, but also practically useful. The authors seek to convey to the reader the importance of compliance with norms and rules in order to avoid negative consequences for animal and human health. In addition, the book Regulation (EC) 1831/2003 may be of interest to those studying European Union law, as it illustrates how legislation can affect specific industries and how it adapts to contemporary challenges. This makes it not only a training tool, but also an important source of information for lawyers working in the field of agrarian law. If you are looking for information on animal feed additives, how they are regulated at EU level, or want to understand how these rules affect food production and consumption, this book will be a real discovery for you. It not only informs, but also encourages reflection on the future of agriculture and its role in the modern world. Thus, Regulation (EC) 1831/2003 is not just a legal document, but an important step towards ensuring the safety and quality of the products we consume. Read this book to be aware of current issues relating to animal health and food safety.