﻿CONTENTS. 



Department Bulletin No. 1.— Medical Milk Commissions and Certified 



Milk. . - p age. 



The work of milk commissions 1 



The first commission: Its organization and objects 1 



Origin and meaning of the term ' ' certified milk " 3 



The control of dairies 3 



Requirements and standards 4 



Methods and work of the various milk commissions 5 



Some general considerations 7 



The American Association of Medical Milk Commissions 11 



The production of certified milk ,- 13 



Equipment and methods 13 



Information secured from producers 18 



Sanitary condition of certified-milk dairies 20 



Quality of certified milk 20 



Keeping qualities of certified milk 21 



Is the production of certified milk profitable? 21 



Obstacles to the profitable production of certified milk 22 



The future of certified milk 24 



The Certified Milk Producers' Association 24 



Appendix 25 



Methods and standards for the production and distribution of certified 



milk 25 



Hygiene of the dairy 25 



Transportation 28 



Veterinary supervision of the herd 28 



Bacteriological standards 29 



Chemical standards and methods 31 



Methods and regulations for the medical examination of employees, 



their health and personal hygiene 36 



Department Bulletin No. 2. — The Fish-scrap Fertilizer Industry of 

 the Atlantic Coast. 



Purposes of the investigation 1 



Historical 3 



Present status 5 



The menhaden 7 



Other fish used in the preparation of fertilizers 14 



The alleged destruction of food fish in the menhaden industry 19 



Technology 21 



Composition of fish and fish scrap 32 



Uses 36 



Possibilities in the development of the fish-scrap industry 39 



Oils '. 46 



1 



