Figure 2From: Infection with the gastrointestinal nematode Ostertagia ostertagi in cattle affects mucus biosynthesis in the abomasumTrefoil factor 3 immunofluorescent staining (green), combined with DAPI staining (blue). Formalin fixed, paraffin-embedded abomasum sections of Holstein cows after Ostertagia ostertagi infection were stained. (A) negative control, (B) exposed to O. ostertagi for 60 days. Original magnification 20×.Back to article page