Numerous cytokines as interleukin, interferon, macrophage-colony stimulating factor, Tumor Necrosis Factor-α (TNF-α, granulocyte-colony stimulating factor (G-CSF), etc. have been identified in breast milk (BM) suggesting that they can be interconnected in the control of the inflammation and infection response [4,6,7,8,9,10]. This evidence concerns the gene CSF3 and infection.