the relationship between livestock and man. Recent developments are discussed, such as increasing the mineral value of feeds by the use of additives and enhancing mineral availability through the use of organic sources of trace elements. The concept of the mineral footprint of livestock production is introduced and methods of mineral feeding that lower environmental pollution are presented. Opportunities and problems in manipulating the mineral content of livestock to improve the mineral status of consumers are also addressed. The book is an essential resource for researchers and students in animal nutrition, agriculture and veterinary medicine, and a useful reference for those concerned with human nutrition and environmental protection.

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