192 



fodders, etc., when fed in excess, tend to decrease the per cent of olein, 

 while linseed meal, gluten feeds, succulent pasture grasses, etc., are con- 

 ducive of raising the per cent of olein. 



The volatile fatty acids do not seem to be appreciably affected by 

 the feed the cows receive. They are influenced, however, by the period 

 of lactation as shown in Tables IX and X. 1 



Table IX. 

 Slioicing the Effect of the Period of Lactation on the MilJc Fats. 



Time. . 



Reichert- 



Meissl 

 Number. 



Soluble 

 Acids. 



Insoluble 

 Acids. 





32.41 



7.39 



87 26 









29.48 



7.07 



87 99 









29.95 



7.08 



87 90 











29.97 



7.11 



87.72 









29.56 



7.00 



87.72 









29.21 



6.82 



88.19 









28.06 



6.45 



88 4 









25.32 



5.84 



88.6 









25.45 



6.01 88 5 







10th month 



27.45 



6.26 88.1 







Hunziker. Proceedings of tlie Indiana Academy of Science, 1908, page 144. 



