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The following table shows the amount produced annually by 

 a single animal of the kind named, and its value as manure, 

 when fermented : 



Yearly 

 amount. 



Pig Urine. ..1000 Ibs. 

 Horse " . . 2000 " 

 Cow " ..2000 " 

 Sheep "*. 500 " 

 Human" ... 750 " 



The following table shows the amount of water and of the 

 valuable constituents only contained in 1,000 Ibs. of dung of the 

 animals named in its natural or undried state : 



Phosphoric 

 acid. 



Potash. 



Nitrogen. Ammonia. 



Water. 



Pig Dung 840 Ibs. 



Horse" ..743 " 



Cow " 864 " 



Chicken" 850 " 



Sheep " 670 " 



Human " 750 " 



The following table shows the amount produced annually by 

 a single animal of the kind named, and its value, assuming the 

 phosphoric acid to be soluble, and the nitrogen as actual am- 

 monia. 



Amount. 



Pig 200 Ibs. 



Horse 2,000 " 



Cow 2.000 " 



Chicken 5 " 



Sheep 50 " 



Human 100 " 



Phosphoric 

 acid. 



Potash. 



Ammonia. Value. 



The solid and liquid excretions taken together, will show the 

 following annual value of each animal : 



Pig Excrements, solid and liquid $ 4.62 



Horse " " " 19.73 



Cow " " " 8.07 



Sheep 

 Human 



2.75 

 3.66 



It is exceedingly important that all these solid and liquid 

 excrements should be retained, and for this purpose the stable 

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