Mycobacterium avium Subsp. avium Infection in Four Veal Calves: Differentiation from Intestinal Tuberculosis

Figure 2

Histologic changes of intestine and lymph nodes: (a) pyogranulomatous enteritis (H&E stain, magnification 40x). (b) Higher magnification of A (H&E, magnification 200x). (c) Mesenteric lymph node. Granuloma with central calcification and intralesional, acid-fast bacilli (arrows, Ziehl-Neelsen stain, magnification 1000x).

(a)

(b)

(c)