With new "World Markets" opening, the challenge to boost the Production efficiency of livestock products is increasing. The cost of feeding accounts for the largest single input in a production operation, thus, there is a need for a better understanding of nutrition and feeding. Written to appeal to both experts and beginners in the field, this new edition provides the reader with an understanding of the principles relating to livestock feeding. Parts I and II cover everything from nutrients, feedstuffs, minerals, vitamins, and additives to feed preparation/processing and ration formulation. Part III provides detailed information on different livestock species, such as, swine, poultry, dairy cows, beef cows and cattle. Domesticated species, such as horses, sheep, goats, dogs, cats, and rabbits are covered in Part IV Each species chapter discusses the management and feeding practices unique to that particular species. Feedstuff characteristics and nutrient guidelines are given for various classes of the species in the Appendix Tables. Advances in genetics, changes in scientific knowledge, food security, and concerns about the environment are just a few of the areas that have had an impact on livestock production. Because of these changes, it is essential that individuals and companies understand the effect feeding and management of livestock have on livestock production systems. Kellems and Church's "Livestock Feeds and Feeding, 5th edition, " provides the basis for this understanding and is a handy reference for anyone involved in livestock production.