What is the most important reason for feeding colostrum to a newborn calf soon after birth?
Correct answer: A. It supplies passive immunity through immunoglobulins
- A. It supplies passive immunity through immunoglobulins
- B. It prevents all digestive diseases throughout life
- C. It replaces the calf's need for milk during rearing
- D. It increases body temperature by stimulating rumination
Explanation
Colostrum contains immunoglobulins that provide passive immunity because the calf is born with limited circulating antibodies. Its absorption through the intestine is greatest during the first few hours after birth, so delayed feeding reduces protection.
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