A typical Sniffen article--well written, concise and very usable! We all need to look at the overall efficiencies described in this article. A major shift in the thought process of the nutritionist has to be increasing financial return instead of working to get maximum production.
In reference to the note from Helen Ajayi, one of the major problems with animal production in the developing regions is the lack of alternatives in feedstuffs available and the ability of the producer to get reliable information on the efficient use of their limited resources. Too often the only criteria is "how much protein" when the main limitation is other nutrients.