124 MARKET DAIRYING 
Fig. 42 shows a galvanized iron milk bottle case, 
enclosed by a box made of one-inch boards and pro- 
vided with a tight fitting cover. Cases of this kind should 
be used in warm weather to keep the milk cool during 
Fig. 42 —Insulated Galvanized Iron Milk Bottle 
Case. 
delivery. On especially warm days, crushed ice should 
be used around the bottles. This style of case is also 
recommended where bottles are shipped. 
A great deal of milk is spoiled while in transit to the 
consumer. The last milk delivered on the route may 
be on the road five or six hours before it finally 
reaches its destination. If carried in open, uniced cases, 
on warm days, an exposure of such duration may easily 
shorten the keeping quality of the milk by eight or more 
hours. - 
A matter of prime importance in delivering milk in 
bottles is to have them thoroughly sterilized before using. 
Unless this is done milk will not keep long and, what is 
worse, is likely to disseminate disease along the route. 
