Table 1.

Analyses of variance (ANOVAs) for the immune parameters (hemocyte concentration, phenoloxidase [PO]-like activity, antibacterial activity of snail hemolymph) by water temperature (15, 25°C) and exposure time (1, 3, 5, 7, 9, and 11 days).

Source	df	MS	F	P
Hemocyte concentration
Temperature (T)	1	0.034	0.462	0.497
Exposure time (E)	5	0.289	3.968	0.002
T×E	5	0.295	4.044	0.001
Error	300	0.073
PO-like activity
Temperature (T)	1	0.106	9.92	0.002
Exposure time (E)	5	0.054	5.052	<0.001
T×E	5	0.077	7.223	<0.001
Error	300	0.011
Antibacterial activity
Temperature (T)	1	118.868	2.795	0.096
Exposure time (E)	5	684.786	16.102	<0.001
T×E	5	10.599	0.249	0.940
Error	300	42.527

MS, mean squares.