New-born animals should be fed with colostrum because it

New-born animals should be fed with colostrum because it

  1. is easily digested
  2. contains antibodies protecting them against diseases ✓
  3. provides them permanent immunity gainst diseases
  4. is the first milk produced before birth

Explanation

Colostrum is the first form of milk produced by the mammary glands of mammals (including many humans) immediately following delivery of the newborn. New-born animals should be fed with colostrum because it contains antibodies that protect them against diseases. These antibodies are produced by the mother and passed to the baby, providing the baby with a temporary immunity against diseases.