
Keywords: Pig; Macrophages; Polarization; IL-4; IFNγ; IFNβ; CSF-1; colony-stimulating factor-1 (also known as M-CSF); CSF-2; colony-stimulating factor-2 (also known as GM-CSF); ENPP1; ectonucleotide pyrophosphatase/phosphodiesterase 1; FBS; fetal bovine serum; iN