The immunoglobulin abundant in colostrum is

Ig G

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Ig M

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Ig A

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All of the above

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Ig E

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Solution

The correct option is C Ig A
The yellow-coloured milk secreted by cattle soon after the birth of a calf is called as colustrum. Colostrum contains antibodies to protect the newborn against disease. Colostrum is known to contain immune cells (as lymphocytes) and many antibodies such as IgA, IgG and IgM. However, the most abundant immunoglobulin in colostrum is IgA.

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