Table 1 Output from one-way ANOVA for 1-dpi lice (Lepeophtheirus salmonis) survival following single exposure to 4, 12, 19, or 26 ppt for 3, 9, 24 or 72 hours, and repeated exposures over three days to 4, 12 or 19 ppt for one hour once, twice or thrice per day.

From: The effectiveness of hyposaline treatments against host-attached salmon lice

 

Salinity

Factor

df

MS

F

p

Single exposure

4 ppt

Duration

4

0.0006

45.54

<0.001

Error

10

0.0000

12 ppt

Duration

4

0.0002

4.74

0.02

Error

10

0.0001

19 ppt

Duration

4

0.0001

1.44

0.29

Error

10

0.0000

26 ppt

Duration

4

0.0000

0.25

0.90

Error

10

0.0001

Repeat exposure

4 ppt

Frequency

3

0.0002

8.68

0.007

Error

8

0.00002

12 ppt

Frequency

3

0.00002

1.65

0.25

Error

8

0.00001

19 ppt

Frequency

3

0.00001

0.88

0.49

Error

8

0.00001

  1. Boldface values are statistically significant at alpha = 0.05.