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Foreword 



An investigation into the subject of the utilization of fish waste in 

 Canada was undertaken for the Commission of Conservation by Mr. 

 J. B. Feilding, who was authorized on October 2, 1916, to 'undertake 

 work of an experimental character to determine the possibility of pro- 

 ducing stock food and various valuable by-products from fish' caught in 

 the Great lakes. It was at first proposed to conduct the experiments 

 on Georgian bay, but, for various reasons, it was decided that 

 Port Dover, on lake Erie, would be more suitable. The investigation 

 covered a period of two months and was made at the latter place. The 

 report which follows is Mr. Feilding's account of what was accomplished. 

 The figures regarding cost of production appended to the report under 

 the heading "Approximate Costs" were supplied at a later date by Mr. 

 Feilding. ^ . , 



The Commission wiiHeff to express its appreciation of the assistance 

 rendered .fcy,: ajid: eDUJtdsiefe jieceWed from, Hon. F. G. Macdiarmid, 

 Minister*^" Pifbli'c' Works", 'Ontario, the late Mr. A. Sheriff, Deputy 

 Minister of Game and Fisheries, Ontario, Mr. D. McDonald, Superin- 

 tendent of Game and Fisheries, Ontario; from the following members 

 of the sta^ff of the Central Experimental Farm, Ottawa, Mr. J. H. Gris- 

 dale, Director, Dr. Frank T. Shutt, Assistant Director and Dominion 

 Chemist; Mr. E. S. Archibald, Dominion Animal Husbandman and 

 Mr. F. C. Elford, Dominion Poultry Husbandman. The Commission 

 is also indebted to Prof. J. W. Bain, B.A. Sc., of Toronto University, 

 for the use of his laboratory. 



JAMES WHITE, 

 Assistant to Chairman, and Deputy Head 



Ottawa, April 24, 1918. 



EXCHANGE 



