Table 1.
Summary of the mean length and mean weight of the fish in this study, the prevalence and intensity of epitheliocystis striped trumpeter infections, the number of fish that were PCR positive, and their corresponding genotypes
| Parameter | July 2010, F1 generation | November 2010, broodstock | August 2011, wild |
|---|---|---|---|
| No. of samples | 8 | 79 | 6 |
| Mean length, mm (SE) | NDa | 539 (9.2)b | 605 (19.0)b |
| Mean wt, kg (SE) | ND | 2.80 (0.13) | ND |
| Prevalence, % (no. tested) | 100 (8/8) | 75.9 (60/79) | 50 (3/6) |
| Intensity (cysts/filaments) (SE) | 0.55 (0.28)b | 0.46 (0.16)b | 0.03 (0.01)b |
| % PCR positive (no. tested) | 100 (8) | 100 (5) | 100 (3) |
| Genotype | A/B | C/A | B |
| Origin | TAFI,c Hobart | TAFI, Hobartd | SWe Tasmaniaf |
a
ND, no data.
b
Statistically significantly different.
c
TAFI, Tasmanian Aquaculture & Fisheries Institute.
d
Broodstock fish were held in captivity for >5 years and were originally from waters around Flinders Island (northeastern Tasmania) and Tasman Island (southeastern Tasmania).
e
SW, southwestern.
f
Fish were caught at 43°55′480S, 145°56′272E.