486 



IOWA ACADEMY OF SCIENCE Vol. XXV, 1918 

 TABLE X. COMPOSITION OF FECES. 



The analyses given for the feces represent their composition 

 when moist. Heifer No. 301, which consumed less hay and more 

 water than did heifer No. 298, produced the feces with the higher 

 moisture content. The 'bulk of the feces evidently depends to a 

 large extent on the amount of water consumed. 



TABLE XI. 

 SUMMARY OF NUTRIENTS CONSUMED AND DEFECATED. 



Dry Matter 



Protein 



Nitrogen-free-extract 



Crude Fiber 



Ether Extraat 



lbs. 

 55.44 

 4.51 



28.42 



16.40 



1.24 



lbs. 



19.51 



2.36 



9.22 



4.82 



.52 



lbs. 

 57.03 



4.59 

 29.19 

 17.02 



1.26 



lbs. 



19.99 



2.43 



9.33 



5.02 



.52 



This table again demonstrates the similarity between the pow- 

 ers of the two heifers for using roughage and also indicates that 

 their powers of digestion are very nearly equal. 



TABLE XII. 

 COEFFICIENTS OF DIGESTIBILITY. 



