Nature Archives 1869 - 2009
Process Engineering, Biotechnology, Nutrition Technology
[Auszug] Over 6 billion chickens, 100 million beef cattle, 90 million pigs, 11 million sheep, and 10 million dairy cattle are clamoring to be fed. As a result, 40 million tons of commercial feed are consumed annually in the U.S. by animals of these types. Livestock and poultry in the European Community (EC) ...
Type of Medium: