Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains:

NEET-2019 [Human-Reproduction] [class-xii ]

• Immunoglobulin A
• Macrophages
• Monocytes
• Natural killer cells
Correct Option: A  [ Immunoglobulin A ]

Remark: