LAMP and PCR sensitivity for DNA extracted from serially diluted C. parvum oocysts. Lane M, 100-bp DNA ladder; lane 1, 106 oocysts; lane 2, 105 oocysts; lane 3, 104 oocysts; lane 4, 103 oocysts; lane 5, 102 oocysts; lane 6, 101 oocysts; lane 7,100 oocysts; lane 8,10−1 oocysts; and lane 9, DDW. Upper panel, LAMP; lower panel, PCR.