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Fig. 1. The effect of a diet low in arachidonic acid (low-ArA) and an ArA-enriched
diet (high-ArA) in combination with acetylsalicylic acid (ASA) treatment on
plasma cortisol responses to 5 min net confinement. Open circles, low-ArA;
filled circles, low-ArA + ASA; open triangles, high-ArA; filled triangles,
high-ArA + ASA. Samples were taken from non-stressed fish (t=0) and
at several intervals after confinement (t=20 min, 60 min, 24 h).
ASA-treated fish were subjected to confinement 4 h after the last dose of ASA.
Each time point represents the mean value ±
S.E.M. of 10 fish. The results of both graphs
were combined for analysis and significant effects of the factors: ArA
supplementation, ASA treatment, time after confinement, and/or interactions
are indicated: *P<0.05,
**P<0.01, ***P<0.001 (3-way
ANOVA).