FISHERY INDUSTRIES OF THE UXITED ST.^TES, 



Value of canned crabs, 1921 to 1927 



425 



BY-PRODUCTS 



The total value of by-products, including the products of the 

 menhaden and whahng industries, amounted to $12,793,256 in 1927. 

 These were made up of fish and whale oils; fish, whale, and shrixnp 

 scrap, meal, and bran; shell products; fish glue; and miscellaneous 

 by-products. Their total value was 5 per cent more than in the 

 previous year. 



Oils. — The production of fish and marine-animal oils in 1927 

 amounted to 10,874,113 gallons valued at S4, 905, 021, which is 

 sHghtly less in quantity and value than a year ago. Of the total 

 production in 1927, 37* per cent consisted of menhaden oil; 23 per 

 cent, sardine oil; 21 per cent, herring oil; 14 per cent, whale and sperm 

 oil; and 5 per cent, oil from miscellaneous fish. 



Scrap and meal. — The total value of fish scrap and meal of all kinds 

 produced in 1927 was S4,321,082, which is an increase of 18 per cent 

 over the value for the preceding year. Of the total value, that for 

 dried scrap and meal accounted for 85 per cent; acidulated scrap, 13 

 per cent; shrimp bran and crude or green scrap, 2 per cent. The 

 quantity of dried scrap and meal and shrimp bran produced was 

 greater than in the previous year, while there was a decHne in the 

 production of acidulated scrap and crude or green scrap. 



Production of miscellaneous by-products, 1927 



Products 



Fish and whale scrap and meal: 



Dried tons.. 



Crude or green do 



Shrimp bran do 



Oil: 



Salmon .gallons-. 



Sardine do 



Tuna do 



Herring do 



Whale do 



Sperm do 



Cod liver, crude do 



Miscellaneous do 



Liquid glue do 



Miscellaneous by-products '.pounds. - 



Total 1 1,879,171 



.Atlantic and Gulf 

 coasts 



Pacific coast 

 (including Alaska) 



Quantity 

 10. 071 

 1,960 

 1,427 



Value I Quantity 



$532,019 ' 32,007 



8,942 • 



44,716 --. .- 



Value 

 , 761, 900 



257, 020 



283, 817 



14, 025 



512, 136 



1, 731, 709 



96,416 



242, 424 



7,250 



860, 396 



87, 008 



205, 519 

 2, 514, 562 



32, 895 

 2, 034, 667 

 1, 520, 900 



10,500 



43, 140 



584, 950 



85, 



1, 116, 



8, 



863, 



751, 



4, 



607 



699 



Total 



Quantity 



42,078 



1,960 



1,427 



205, 519 



2, 514, 562 



32, 895 



2,291,687 



1, 520, 900 



10, 500 

 283,817 



57, 165 

 512, 136 



2, 316, 659 



4, 623, 056 



Value 

 $2, 293, 919 

 8,942 

 44,716 



85, 061 



1,116,725 



8,265 



960, 250 



751, 765 



4,200 



242, 424 



19, 857 



860, 396 



105, 707 



6, 502, 227 



' Includes herring skins and scales, isinglass, flsh flour, pickled whale meat, whalebone, and shark skins, 

 fins, and meat. 



Note.— The oils produced on the Pacific coast are reported in "trade" gallons (732 pounds), and those 

 produced on the Atlantic and Gulf coasts are reported in United States gallons (about 7.74 pounds). 



