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World Food Supply
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Fundamental Issues...
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Animal Nutrition: Resources and New Challanges

G. Flachowsky,
Federal Agricultural Research Centre, Braunschweig (FRG)
J. Kamphues,
Institute of Animal Nutrition,
School of Veterinary Medicine Hannover (FRG)
June 15-16, 2000
Federal Agricultural Research Centre, FAL Braunschweig

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Final Statement

Although the world's population is expected to grow by only 25% in the next 20 years, an increase of 50% in the demand for food of animal origin is projected. The decrease in absolute and per capita land area available for agricultural use will result in less area available for producing feed and to increased competition between humans and animals for energy and nutrients. In this context it is an important task of the science of animal nutrition to discover and exploit new resources, particularly products which cannot be used directly by humans (e.g. high-fiber organic substances) or which are considered undesirable or unsuitable for human consumption (offal and other food industry byproducts). Whereas the utilization of byproducts as animal feed was once an exemplary economic model for recycling, in recent years doubts have arisen, due to the occurrence of BSE and the discovery of dioxins in feed. In industrialized countries agricultural policy has in part responded to these issues with new regulations. But it is very doubtful if it can be considered ecologically responsible, economically reasonable or in the long term politically justifiable to use byproducts considered valuable by nutritionists as fuel or to dispose of them as waste. Such a trend may be tenable for a short time in Europe, but it will not be acceptable worldwide, particularly in regions where feed supplies are scarce.

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