Time Age group No. positive/No. sampled (%) Cryptosporidium spp. Cryptosporidium spp. Cryptosporidium spp. Cryptosporidium spp. Cryptosporidium spp.
C. parvum C. bovis C. ryanae C. occultus C. andersoni
During the outbreak Neonatal calves (1 – 4 weeks) 27/40 (67.5) 24 3 0 0 0
Older cattle* (> 4 weeks) 78/133 (58.6) 0 39 32 6 1
After the outbreak Neonatal calves (1 – 4 weeks) 35/56 (62.5) 17 17 1 0 0
Older cattle* (> 4 weeks) 28/173 (16.2) 0 17 7 0 4
Total - 168/402 (41.8) 41 76 40 6 5