The immune connection between the GALT and the mammary gland is of particular interest with respect to human milk where the major immunoglobulin is sIgA, which accounts for one of the key factors underlying the importance of breast feeding [10] . The immune activation of GALT in the human infant is delayed, and the milk sIgA and sIgM provide the neonatal intestine a level of protection through their immune exclusion actions and their anti-inflammatory effects [10, 18] .