Fig. 8From: Protective and immunostimulatory effects of in-feed preparations of an anticoccidial, a probiotic, a vitamin-selenium complex, and Ferulago angulata extract in broiler chickens infected with Eimeria speciesIn vivo bioassay for cell-mediated immune response assessed by measuring cutaneous basal hypersensitivity (mm increase in toe web thickness) induced by an intradermal injection of phytohemagglutinin-P between the third and fourth digits of the right foot. Examples: the thickness of the interdigital skin (24 h after injection) from a negative control broiler (A) and a positive control broiler (B)Back to article page