100 



Analysis of Feeding Materials [146, 147 



The order in which the rest of the operations should be 

 taken depends very much on the operator. 



146. Method of Entry. — The student should describe 

 in his note book the operations performed, and in entering 

 data should use one page for weights and reserve the page 

 facing it for calculation of percentages. 



After calculating, the results of analysis are entered as 

 follows : 



These analyses are typical. 



Qualitative Examination 



147. Although the feeding value of an oil cake depends 

 very largely on the percentage of oil and albuminoid com 

 pounds which it contains, still two cakes which give identical 

 analyses may vary in value on account of their condition, purity, 

 and taste. 



The condition may be judged by breaking up the cake and 

 noting its hardness and structure. 



The purity cannot be determined without careful micro- 

 scopic examination, though there are one or two tests by means 



