iga and igg antibody present in Colostrum, the first breast milk.
Primary immunoglobulin in human milk is IgA .Immunoglobulin A (IgA) is an antibody blood protein that's part of your immune system. Your body makes IgA and other type of antibodies to help fight off sickness. Antibodies like IgG antibodies in breast milk help shape infants' gut bacteria and immunity. Researchers have known for some time that maternal breast milk provides critical nutrients for newborns, and antibodies from mothers vaccinated against a specific disease-causing bacterium or virus can be transferred via breast milk to babies. These antibodies provided infants with high grade of protection from infection for approximately 3 to 6 months, giving their own immune systems time to mature.
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