Table 1.
Logit for the five strains of Cryptosporidium parvum
| Strain | Equation | Infective Dose |
|---|---|---|
| Iowa | y = 2.60 x – 5.23 | ID50 = 103 |
| Moredun | y = 2.65 x – 3.81 | ID50 = 28 |
| TAMU* | y = 4.35 x – 5.90 | ID50 = 23 |
| Maine | y = 1.51 x – 2.02 | ID50 = 22 |
| Glasgow | y = 2.96 x – 4.24 | ID50 = 27 |
Texas A&M University