Because that is where it's freshest: right out of the cow. The sooner it gets tested the better the results. If it is left for later chemical changes in the milk could skew the results, which is never good when testing milk.
A dairy farm
Both cows milk and water-buffalo's milk produce a violet colour when tested with biuret solution because they both contain protein.
Cows are being tested because Scientists need it to test it for MILK
at a farm if they have pigs
milk
in a farm. and then transportation is a truck.
The most important product of a dairy farm is usually milk.
Yes they can i tested it on a science experiment
The word is spelled correctly: dairy, for milk and milk products, or a dairy farm.
I grew up on a dairy farm and nothing was added to our milk.
nature
milk beef catle