Biology - Human Reproduction Question with Solution | TestHub

Colostrum is the first milk produced by the mammary glands of mammals immediately following parturition. It is highly nutritious and contains a high concentration of proteins, lactose, and essential antibodies, particularly Immunoglobulin A (IgA). IgA provides crucial passive immunity to the newborn, protecting it from various infections. Colostrum is relatively low in fat compared to mature milk.

Therefore, colostrum contains proteins, lactose, and IgA.

Answer: Proteins, Lactose, IgA