| molecular prevalence of cryptosporidium spp. in dairy calves in southern states of india. | dung samples were collected from dairy calves of south indian states viz., andhra pradesh, karnataka, kerala, tamil nadu and union territory, puducherry and are subjected to nested polymerase chain reaction (pcr) targeting 18s rrna gene for detection of cryptosporidium infection. of the 459 dung samples screened 182 were found positive with a prevalence of 39.65%. highest prevalence of cryptosporidium was observed in puducherry (86.67%) and lowest in kerala (17.65%). genotyping by pcr-restrictio ... | 2012 | 22459107 |