Table 4.

Serum immunological parameters of carp juveniles fed P. abrotanoides extract after 60 days.

Experiment groups	Parameters
	ACH50 (u/mL)	Lysozyme activity (u/mL/min)	Total immunoglobulin (mg/mL)
0	134.66 ± 0.49c	22.28 ± 0.34c	17.03 ± 0.60b
0.25	136.21 ± 1.09b	22.60 ± 0.81c	17.11 ± 0.54b
0.5	137.89 ± 1.14a	26.76 ± 1.87ab	18.88 ± 0.31a
1.0	137.54 ± 0.58ab	28.50 ± 0.63a	18.90 ± 0.20a
2.0	136.14 ± 0.32b	25.89 ± 0.53b	18.16 ± 0.24a
P-value	P=0.004	P < 0.001	P < 0.001

Different letters within a column indicate significant differences among the treatments (n = 3; Duncan test).