Table 1: Infectivity of Cryptobia salmositica to chinook salmon after in vitro exposure to isometamidium chloride to polyclonal antibodies from a recovered fish (reproduced from Ardelli and Woo [59]).

Weeks After InfectionGroup 1Group 2Group 3Group 4Group 5
PAlCDrugPAlAntibodyUntreated Controls

1 1 / 1 0 7 / 1 0 0 / 1 0 0 / 1 0 8 / 1 0
0 . 3 0 ± 0 . 9 5 1 . 8 0 ± 2 . 7 8 0 0 6 . 6 0 ± 4 . 7 2
2 1 / 1 0 6 / 1 0 2 / 1 0 0 / 1 0 1 0 / 1 0
0 . 3 0 ± 0 . 9 5 8 . 1 0 ± 5 . 2 8 1 . 8 0 ± 3 . 9 1 0 4 8 , 7 5 0 ± 4 5 , 8 1 4
3 2 / 1 0 7 / 1 0 2 / 1 0 0 / 1 0 1 0 / 1 0
0 . 5 0 ± 1 . 2 7 3 3 , 2 5 0 ± 3 8 , 2 0 7 1 , 9 5 0 ± 4 , 3 1 0 0 3 5 , 6 2 5 ± 2 9 , 9 7 8
4 2 / 1 0 8 / 1 0 3 / 1 0 3 / 1 0 1 0 / 1 0
0 . 3 0 ± 0 . 6 7 5 3 0 2 , 0 0 0 ± 2 5 4 , 1 4 2 2 , 5 0 0 ± 5 , 2 7 0 5 , 5 5 8 ± 1 6 , 6 6 5 5 , 4 8 7 , 5 0 0 ± 5 , 4 3 9 , 8 3 8
5 2 / 1 0 1 0 / 1 0 4 / 1 0 4 / 1 0 1 0 / 1 0
0 . 6 0 ± 1 . 5 8 9 , 3 9 5 , 0 0 0 ± 1 6 , 9 2 5 , 9 1 1 5 4 , 7 4 0 ± 1 1 2 , 4 9 9 5 5 6 , 9 4 4 ± 1 , 5 0 0 , 0 0 1 3 , 1 7 5 , 0 0 0 ± 3 , 6 3 9 , 1 9 6
6 1 / 1 0 1 0 / 1 0 4 / 1 0 4 / 1 0 1 0 / 1 0
3 , 7 5 0 ± 1 1 , 8 5 8 1 3 , 4 7 5 , 0 0 0 ± 1 5 , 2 9 8 , 6 2 4 5 0 3 , 7 5 0 ± 1 , 0 3 0 , 8 1 0 2 , 6 0 0 , 0 0 0 ± 5 , 5 7 7 , 4 6 5 3 , 2 4 3 , 7 5 0 ± 5 , 4 1 6 , 1 9 6
7 1 / 1 0 1 0 / 1 0 4 / 1 0 4 / 1 0 1 0 / 1 0
1 1 , 2 5 0 ± 3 5 , 5 7 5 1 8 , 3 0 5 , 0 0 0 ± 5 2 , 5 0 0 , 0 0 0 9 2 8 , 8 6 0 ± 1 , 3 2 6 , 5 7 5 4 4 , 3 8 3 , 3 3 4 ± 1 2 9 , 1 5 0 , 2 6 0 2 7 , 0 5 1 , 2 5 0 ± 5 6 , 2 0 9 , 7 1 4

Number of infected fish/number of fish inoculated.
■ Mean parasitaemia ± standard deviation, determined by HCT or haemacytometer.