Table 1.

Sample size and morphometric data for experimental groups. Gonadosomatic (GSI) and HSI indices given as mean±1 s.d., with the exception of the single experimentally infected, non-stressed female. F, females; M, males; N, sample size.

experimental group	sex	N	body mass (g)	GSI	HSI
uninfected, non-stressed	F	2	9.7±5.1	16.2±2.0	2.3±0.4
	M	15	9.1±2.3	2.4±0.4	2.5±0.6
uninfected, stressed	F	4	10.3±3.0	18.6±4.2	2.3±0.7
	M	9	9.0±2.2	2.4±0.3	2.3±0.7
experimentally infected, non-stressed	F	1	10.4	8.7	2.8
	M	2	8.6±1.6	2.6±0.1	2.8±0.4
experimentally infected, stressed	F	3	9.1±1.8	24.1±5.0	3.2±0.5
	M	2	7.8±3.2	1.8±0.5	3.2±0.5