EXERCISE 51 (Continued) 



3. If mixed hay, corn stalks, ground oats and corn meal are available 

 and represent the cheapest feeds on the market, what proportion of each had 

 better be fed to a dairy herd; suggest an improvement in the ration by pur- 

 chasing a small amount of some feed that will tend to balance the ration at a 

 minimum cost, according to local market prices. 



91 



