CXCL8 and aspergillosis: In A. fumigatus-infected chickens, Cxcl-8 expression reached the maximum value at 3 dpi, since the resistance to aspergillosis is dependent on heterophils (45), these data suggested that Cxcl-8 could recruit heterophils to fight against A. fumigatus infection in chickens, which is consistent with histopathological examination of a large number of heterophils in the lungs.