In order to contribute to the knowledge of cryptosporidiosis, the prevalence of Cryptosporidium spp. in calves and the association of the oocysts presence, related to different environmental factors was studies in 151 samples collected from faeces of calves up to one month old in the region Sabana Centro (Cundinamarca). To identify the Cryptosporidium spp. oocysts the Ziehl Neelsen technique was employed. 22% of the samples were positive; 83% of farms had at least one infected animal. Statistical analysis showed an association between the consistency of the stool and the presence of Cryptosporidium spp. oocysts (X2 16.3, p 4.03). The results confirm that Cryptosporidium spp. infection is widespread in dairy herds in the geographical study area.