CONTENTS. 



Page. 



Introduction 5 



Review of the scientific work done in the United States 6 



Chemical and histological data on frozen poultry 6 



Action of low temperatures on chicken fat 11 



Formation of ammoniaeal nitrogen at freezer temperatures 12 



Bacterial content of frozen flesh 13 



Examination of storage eggs 13 



Industrial application of refrigeration 14 



Chilling poultry 15 



Chill rooms 15 



Circulation of air 16 



Time required for chilling 18 



Chilling for long or short hauls 18 



Containers 19 



Transportation 21 



Holding for shipment 21 



Poultry refrigerator cars , 22 



Mixed cars 23 



Insulation of cars 23 



Thermograph records 24 



Refrigeration in the market 27 



Frozen poultry 29 



The refrigeration of eggs , 33 



Scientific data applied to the industrial use of refrigeration 38 



[Cir. 64] 



3 



