al., 2004; Khan and Zaman, 2007; Özkan et al., 2011). Calf diarrhea is a complex syndrome
with a complex etiopathogenesis, causing important economic losses due to morbidity and
mortality, treatment costs, and reduced growth rates in affected calves (Zhu et al., 2011). The
pathogens most commonly incriminated in neonatal calf scours include viral (rotavirus and
coronavirus), protozoal