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This book discusses the structural and functional characteristics of the digestive system and how these vary among vertebrates.
Due to the extensive antimicrobial use in humans and agriculture, antimicrobial resistance (AMR) has emerged as a major threat to global health. The intensive use of antimicrobials in animals selects AMR genes, which then can be transferred to human pathogens via a variety of horizontal gene transfer mechanisms. Although the prevalence and mechanisms of AMR have been studied in common foodborne pathogens and indicator bacteria such as Escherichia coli, Staphylococcus aureus, and the species of Enterococcus, Salmonella, and Campylobacter, the situation with other rarely investigated veterinary and zoonotic bacteria such as Leptospira, Brucella, Borrelia, Lawsonia and other genera is less clear. In addition, the majority of surveillance and control programs have been designed to target commensal and zoonotic bacteria in food production animals, thus AMR bacteria in companion, wild and other animals have received less attention.
This book contains key contributions to the Xth International Symposium on Ruminant Physiology. Proceedings from past ISRP symposia have had a major influence on research and teaching in animal science over the years. Without a doubt the peer-reviewed chapters in this book, written by some of the best scientists in the field, will live up to this fine tradition. The chapters cover a wide range of topics spanning from digestion and absorption to metabolism, reproduction and lactation. Advancement of knowledge within important issues related to rumen fermentation, absorption mechanisms and splanchnic metabolism is treated in nine chapters. A number of chapters address the relationship between nutrition and gene expression illustrating important progress in scientific knowledge that can be obtained by applying the molecular biology methods to the field. Several chapters address the effects of nutrition on immunology and cover topics related to the health and welfare of production animals. In keeping with the increased attention on the relationship between food and human health, the book contains two important chapters on this topic.
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Food research (and funding) is becoming more and more focused on health. While researchers and product developers have made great strides in food engineering, there needs to be increased focus on what happens when the food is actually digested. How is the food absorbed? Do the benefits remain? Digestion is a complex topic, and this will be the first book aimed at food researchers. Authored by a physiologist and a food engineer, the book will be a welcome addition to the literature.