United States Department of the Interior, Oscar L. Chapman, Secretary 

 ^'ish and Wildlife Service, Albert M. Day, Director 



Special Scientific Reoort^ Fisheries, m., 60 

 TESTS OF MTCHERY FOODS FOR BLUEBACK SALMON 19h9 

 By Leslie A. Robinson, David D. Palmer, and i^oger E. Burrows 



CONTENTS 



Page 



Introduction .....o...... 1 



Conditions of Experiment 2 



Results of Experiment , 3 



Beef Liver control ..,,.....,. U 



Tuna Liyer h 



Salmon Viscera Components 6 



Effect of 'Salmon Meals at Different i\/ater Temperatures .... 8 

 Effect of the Drying Process on the Utilization of 



Salmon Meal 11 



Comparison of Hake ^iiith Hog Spleen or Hog Liver 13 



Hog Liver-Salmon Viscera vdth Various Supplements 13 



Comparison of Crab Meal with Salmon Meals l5 



Recommended Production Diets for Blueback Salmon l8 



Summary , l8 



Acknowledgements 20 



Literature Cited , 21 



