FISHERY INDUSTRIES OP THE UNITED STATES, 1925 219 



Production of fish and whale oils, 1921 to 1925 



•i Data not available. 



Fish scrap and meal. — The total value of scrap and meal of all 

 kinds produced in 1925 was $4,650,635, made up as follows: Dried 

 scrap and meal, 69,733 tons, valued at $3,500,496; acidulated scrap, 

 41,773 tons, valued at $1,109,067; crude or green scrap, 5,477 tons, 

 valued at $9,414; and shrimp bran, 1,079 tons, valued at $31,658. A 

 large portion of the dried and acidulated scrap was produced in the 

 menhaden industry, and the whaling industry also contributed 

 Jargely to the dried-scrap production. 



Comparative statistics of the production of scrap and meal from fish (includ- 

 ing menhaden), whale, and shrimp 



Fish glue. — In 1925, the production of fish glue was 510,816 

 gallons, valued at $589,064. The production of this commodity has 

 increased appreciably, as may be seen from the following figures on 

 the production for the last five years : 



Shell by-products. — In 1925 there w T ere produced 226,971 tons of 

 crushed oyster shell for poultry grit, valued at $2,075,057; 67,818 

 tons of oyster-shell lime, valued at $303,261 ; and 360 tons of crushed 

 marine clam shells, valued at $4,413 ; a total of 295,149 tons of shell 

 products, valued at $2,382,731. 



