Natural immunity to diseases in calves is acquired through access to?

A. Vaccine
B. Colostrum
C. Balanced diet
D. Salt licks

Correct Answer: Option B

B. Colostrum

Explanation

Colostrum (also known as beestings or first milk) is a form of milk produced by the mammary glands in late pregnancy and the few days after giving birth. Human and bovine colostrums are thick, sticky and yellowish. In humans, it has high concentrations of nutrients and antibodies, but it is small in quantity.