Sources of bacteria in milk are being discussed after Bacterial testing of milk and cream.
From stable air, especially when dust, cobwebs and manure abound.
2. From unclean hands that milk the cows.
3. From unclean utensils.
4. From contaminated water.
5. From the air of any place whose surroundings are unclean.
6. From impure starters.
7. From any unclean thing with which milk, cream, or butter comes in contact