CONTENTS xiii 



standards— Value of the streptococcus estimation— Value of the 

 B. enteriticUs sporogenes estimation— Value of the examination of the 

 stained centrifugalised deposit — Bacteriological milk standards: 

 utility, variations with nature of the milk, suggested standards. 



PAET III 

 PUBLIC HEALTH CONTEOL OF THE MILK SUPPLY 



CHAPTER XV 



Existing Conditions of the Milk Supply . 243 



Structural byre defects : floor, drainage, lighting, ventilation, air 

 space — Proximity of the manure heap to the byre — Cleanliness 

 of the cows — Cleanliness of the milk vessels — Water supply for 

 cows and for washing milk vessels — The milking process as usually 

 conducted — Wet milking — Milk transit — The cooling of milk — 

 Railway transit — Churns and milk contamination — Milk-sorting at 

 railway stations — Conditions under which milk is purveyed — 

 General shops selling small amounts of milk — Provision for milk 

 storage on consumer's premises. 



CHAPTER XVI 



Reforms in the Conditions of Milk Supply . . .Hi 



Essential structural requirements of a good cowshed — Air-space 

 standards — Lighting and ventilation requirements — Influence of 

 cold sheds on the cows — Floor construction and drainage of cow- 

 sheds — Water supply to sheds and cows — The essentials of clean 

 milking — Milking machines — Freedom of the cow and those who 

 handle milk from disease — Milk strainers— Cooling of milk — Rate 

 of cooling and heating up of milk — Types of milk coolers — Milk- 

 collecting depots and factories — Sanitary milk churns — Locking of 

 churns in transit — Railway transit — Regulating the mixing of 

 milk — Improvements in milk-purveying — Bottles v. cans for delivery 

 —Types of milk bottle— Care of milk by the consumer. 



CHAPTER XVII 



Legal Powers in England applicable to Milk . . 298 



Contagious Diseases (Animals) Act, 1878— Dairies, Cowsheds, and 

 Milkshops Orders— Model regulations under the Orders— Public 



