MA.KUAL OF CATTLE- FEEBIN-ft. 353 



after Iiaving fulfilled its functions in tlie body, is nearly all 

 excreted in the urine in a form quite as available for vege- 

 tation as before, the gain attainable by using the fish as 

 fodder becomes plain. 



Little experience has yet been had concerning the effect 

 of fish on the quality of animal products. It is perhaps to 

 be anticipated that it would injuriously affect the flavor of 

 milk, but it seems raobable that it would form an excellent 

 fodder for fattenii^. It does not appear to have been 

 used as fodder to any extent in this country. In the " Ee- 

 port of the Secretary of the Maine Board of Agriculture " 

 for 1804, some account is given of its use as fodder for 

 sheep, hogs, and fowls, and in subsequent reports of the 

 same board its use is again mentioned, but the writer is 

 not aware that it has elsewhere become a recognized article 

 of cattle food. In Korway, fish is said to be used to a con- 

 siderable extent as food for cattle, and in a book on Ice- 

 land, published over one hundred years ago,* the use of 

 fish for feeding cows is mentioned. 



It would be of interest to test the value of this feeding- 

 stuff further, and also to experiment on the use of fish 

 guano from which the oil is more completely extracted 

 than from the common article, e. gc., that produced by 

 Adamson's or Goodalc's process. 



Dried Blood and Meat. — A few experiments on this 

 material as a feeding-stuff have been made by Wildt-f 

 The material contained 91.87 per cent, of protein, and the 

 digestion coefficient for this substance was found to be for 

 swine 72 and for sheep 62, the rest of the fodder being in 

 one case potatoes and in the other barley straw. 



* ''Natural History of Iceland," by N. Horrebow, London, 1752. 

 fLandw, Jahrbucher, VI., 177, and Landw, Yersuohs-Stationen, 



"VV" 01 



