TNNI3 and myocarditis: In recent years cTnI has been evaluated in ruminant species with cardiac diseases such as pericarditis (1), endocarditis (2, 3), as well as in neonates with congenital cardiac defects (4, 5), non-cardiac disorders (6, 7), nutritional muscular dystrophy (8, 9), myocarditis (10–12), umbilical abscessation (13), envenomation (14), pregnancy toxemia (7, 15, 16), ruminal acidosis (17, 18), and endotoxemia (19).