Why does milk have to be kept in a refrigerator?

Answer 1

If you don't mind having your milk grow bacteria, turn sour, then become a runny and sour version of cottage cheese; leave it out of the refrigerator all the time. Depending on the type of bacteria growing in the milk it could just be unpleasantly sour or it could make you sick or possibly kill you!

This is also why milk is usually pasteurized: to kill any bacteria that happen to be in the milk, preventing illness caused by spoiled milk and extending the shelf life of the milk in the store.

Answer 2

To keep it fresh.

Milk contains friendly traces of bacteria, which willcontinueto grow. Although harmless, the quicker the bacteria grow, the faster the milk spoils and goes off.

Refrigerationslows down the rate at which the bacteria grow.

Answer 3

Because it is highly perishable and will spoil quickly if it is not refrigerated.

Answer 4

To slow down the bacteria in it, and keep it from going bad in just a few hours.

Answer 5

Because since american's dont have as much fat in their milk it spoils really fast if you don't put it in the fridge.

Answer 6

Because if you don't keep it cool the milk will go off much quicker!

Answer 7

It will spoil very quickly if not refrigerated at around 40 degrees.

Answer 8

for it to be fresh

Answer 9

cause it would get rotten