42. In no circumstances should anything be added to milk to prevent
its souring. Cleanliness and cold are the only preventives needed.
43. All milk should be in good condition when delivered at a creamery
or a cheesery. This may make it necessary to deliver twice a day
during the hottest weather.
44. When cans are hauled far they should be full, and carried in a
spring waggon.
45. In hot weather cover the cans, when moved in a waggon, with a
clean wet blanket or canvas.