Cryptosporidiosis, one of the main protozoan infections last century, is especially dangerous for calves and causes significant economic losses. This research was carried out to determine prevalence Cryptosporidium spp. by microscopic molecular methods subtypes in 100 up 6 months old with diarrhoea Siirt Province, Türkiye. As a result examination (Kinyoun’s acid-fast), oocysts were found 8 (8%)...