Question

By regulation, milk from cows treated with antibiotics usually must be withheld for ____ hours.

(a) 48 – 72

(b) 30 – 60

(c) 48 – 108

(d) 72 – 96

I had been asked this question in a job interview.

The above asked question is from Dairy Products in chapter Products of Dairy Engineering

Answer 1

Right answer is (a) 48 – 72

To explain I would say: Milk from cows treated with an antibiotic is held as most of the people are sensitive to antibiotic. The milk is withheld for 48-72 hours.