STATE DAIRY ASSOCIATION. 503 



In Germany, laid down a feeding standard of 25 pounds dry matter, 2.5 

 pounds protein, 12.5 pounds carboliydrates and .6 pound fats for a cow of 

 1,000 pounds, live weight, in twenty-four hours. Experimenters and feed- 

 ers in this country have been inclined to reduce the amount of protein, 

 which is the expensive element of feeds, and have still had very grati- 

 fying results. 



To figure out a dairy ration weigh the clover hay and the corn 

 stover given to each cow. Aim to give each one all she will clean up. 

 If, when you feed again, much is left, weigh it back and subtract this 

 amount from the amount fed; the result will be the amount consumed. 

 Get a table of analyses. One appears in Hoard's Dairyman, of December 

 6, 1901. The figures show that 100 pounds of clover hay has 84.7 pounds 

 of dry matter. Suppose the average cow consumed five pounds of clover 

 hay. Then multiply the number of pounds of dry matter— 84.7 by 5, and 

 set the decimal point two places to the left, which is the same as dividing 

 by 100, and we have 4.235 pounds of dry matter consumed. The table 

 shows 6.8 pounds digestible pi'otein. Multiply this by 5 and set the deci- 

 mal two places to, the left, and we have .34 pound. Carbohydrates 35.8 

 pounds multiplied by 5, moving the decimal two places to the left, equals 

 1.79 pounds; fat, 1.7 pound multiplied by 5 equals .085 pound. 



Suppose 8 pounds of corn stover were consumed. The table shows 

 that there are 59.5 pounds of dry matter, 1.7 pound protein, 32.4 pounds 

 carbohydrates and .7 pound fat in 100 pounds of corn stover. Multiply- 

 ing we have in our 8 pounds of corn stover 4.76 pounds dry matter, .136 

 pound protein, 2.592 pounds carbohydrates and .056 pound fat. 



Now, try 30 pounds silage; then add together the figures in each one 

 under each head and compare this with the standard given by Wolff. It 

 will be found to be short in each column, and much shorter in the protein 

 column than in the others. This indicates that the remainder of the 

 ration must be a concentrated one. Suppose gluten feed is available; 

 then, if we feed to the limit, which is about 4 pounds to the cow, add this 

 amount to each column of our ration, figured as before, we are still" 

 short, and more concentrated feed is still needed to bring it up to the 

 standard. Let's try bran, 4 pounds. This ration figured out in tabular 

 form looks as follows: 



