Which immunoglobulin is the main antibody absorbed from bovine colostrum during the early neonatal period?
Correct answer: A. IgG
- A. IgG
- B. IgE
- C. IgA
- D. IgM
Explanation
IgG, particularly IgG1 in cattle, is the principal immunoglobulin absorbed from colostrum and provides passive systemic immunity to the calf. IgA is more associated with mucosal protection, especially in secretions.
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About Theriogenology and Animal Reproduction
Covers the reproductive anatomy and physiology of male and female domestic animals, including puberty, oestrous cycles, ovulation, fertilisation, pregnancy, parturition and lactation. It also includes artificial insemination, semen evaluation, pregnancy diagnosis, infertility, dystocia and reproductive disorders, with attention to species differences.
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