Colostrum secreted from the mammary gland contains which type of antibodies?AlgMmBIgDCIgEDIgAAnswer: D. IgA Read Explanation: Colostrum secreted from the mammary gland contains IgA antibodies. IgA is the most abundant antibody type in the body, and it helps protect the body against infections and disease. Colostrum is essential for newborns as it provides them with antibodies to help protect their bodies from illnesses. Read more in App