Health Aspects of Recycling Animal Wastes by Feeding

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Abstract
Approximately 1.6 billion tons of animal wastes are produced annually in the United States. Since a large portion of the wastes is from animals managed under intensive systems, the wastes must be handled in a manner which will cause minimum risk to human health and comfort. The wastes possess substantial nutritional value. Satisfactory performance was obtained when these were fed to farm animals and the taste of meat, milk and eggs has not been adversely affected. Recycling by feeding the wastes is not sanctioned by F.D.A. due to potential hazards from pathogens and drug residues. No indication has been obtained of harmful effects in humans consuming meat, milk and eggs from animals fed waste. The only documented evidence of deleterious effect on animal health from feeding animal wastes was copper toxicity in sheep fed broiler litter containing high levels of copper. This is not a serious problem with other farm animals since they are not as sensitive to high dietary copper. Copyright © 1975. American Society of Animal Science . Copyright 1975 by American Society of Animal Science.

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