Why is early intake of colostrum essential for a newborn calf?
Correct answer: C. It supplies absorbed maternal immunoglobulins
- A. It prevents all neonatal bacterial infections
- B. It permanently activates the calf thymus
- C. It supplies absorbed maternal immunoglobulins
- D. It provides the calf with mature rumen microbes
Explanation
Newborn calves receive little protective antibody through the placenta, so colostrum supplies immunoglobulins for passive immunity. The intestine absorbs these antibodies most effectively during the first hours after birth, and this ability rapidly declines.
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Covers the recognition, diagnosis, prevention and medical treatment of diseases affecting domestic animals, including infectious, metabolic, nutritional, toxic and organ-system disorders. It links history taking, physical examination, clinical signs, laboratory findings and differential diagnosis with appropriate therapy and herd or flock control.
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