. Die kommerzielle Fischerei. Fischerei Fischhandel. 10 DIE KOMMERZIELLE FISCHEREI REVIEW Vol. 13, Nr. 10. SERVICE LABORATORIEN September 1951 ANALYSE UND CCMPOSITION: Öl Inhalt der Pazifischen Küste Drachenköpfe und Atlantik Barsch: Beispiele von Pacific Coast rockfish (Sebastodes pinniger) und der Atlantik Barsch (Sebastes marinus) Filets in Neu-england verpackt waren, de analysiert - Termine die Palette der Ölgehalt. Die Ergebnisse waren wie folgt: (jeder Wert repräsentiert den Inhalt Prozentsatz einer einzelnen Filet): Pazifikküste rockfish (Se-bastodes pinniger) - 4,13; 1,17; 3,0; 1,74; 2,00; 2,45; 3.

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. Commercial fisheries review. Fisheries; Fish trade. 10 COMMERCIAL FISHERIES REVIEW Vol. 13, No. 10. SERVICE LABORATORIES September 1951 ANALYSIS AND CCMPOSITION: Oil Content of Pacific Coast Rockfish and Atlantic Ocean Perch: Samples of Pacific Coast rockfish (Sebastodes pinniger)and of Atlantic ocean perch (Sebastes marinus) fillets packed in New England were analyzed to de- termine the range of oil content. The results were as follows: (each value repre- sents the oil-content percentage of a single fillet): Pacific Coast rockfish(Se- bastodes pinniger)—4.13; 1.17; 3.0; 1.74; 2.00; 2.45; 3.10; 3.78; 3.25; 1.91; 2.37; 2.12; 2.85; 2, 46; 1.98; and 1.55 percent. Atlantic ocean perch (Sebastes marinus)— 7.29; 4.68; 4.80; 6.53; 5.19; 6.65; 4.08; 5.75; 4.28; 5.13; 6.65; 4.21; 6.38; 4.38; 7.30; and 6, 16 percent. (Seattle). Ccaaposition and Cold Storage Life of Freshnirater Fish: Very little information is available as to the chemical composition of inland fresh^ffater fish and no pub- lished information whatever is available concerning the coldr-storage life of fresh- water fish. The project's purpose is the determination of the chemical ccmposition and cold-storage life of such fish. Preliminary arrangeiments have been made for the shipment of frozen samples of fresh-water fish by Railway Express froa the Lake Erie region to the Seattle labora- tory. (Seattle). BYPRODUCTS; Vitamin Content and Nutritive Value of Fishery Byproducts; This project aims to determine the range of concentration of certain vitamins, especial- ly vitamin 63^2 ^^ riboflavin in fish meal from different sources and to determine the possible presence of unknown vitamins and other grovfth substances which may be present in fish meal. Concentration of the extract of fish livers started last month was continued and has almost been completed. The next step will be to attempt to obtain a micro- biological procedure for the fish factor. The method proposed by Norris at Cornell University is to be used

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