21 pricing feed ingredients on the basis of market values nutrients n r st pierre1 department animal sciences ohio state university 1contact at 221a science bldg 2029 fyffe road columbus oh 43210 614 292 6507 fax 1515 email pierre 8 osu edu summary in many instances nutritionists manufacturers dairy producers and their advisors need an estimate what a is worth nutritional to facilitate formulation balanced diets purchase appropriate price competitive feedstuffs up until now all methods used shared common flaws we derived maximum likelihood method that uses composition prices traded given unit costs break even was programmed as windows application named sesame software can be 1 rapidly accurately identify commodity purchasing opportunities 2 benchmark from nutrient requirements introduction variety have been proposed implicitly fall into one two general categories equation based ebm