Table 2.

Effect of different doses of administration of pendimethalin on hematological parameters of Hypophthalmichthys nobilis (bighead carp).

Parameters (hours)	Groups/treatments
	T0 (0.0 mg/L)	T1 (0.25 mg/L)	T2 (0.50 mg/L)	T3 (0.75 mg/L)
Erythrocyte counts (106/mm3)
72	5.20 ± 0.30	3.10 ± 0.24	2.21 ± 0.18	2.09 ± 0.24
96	5.21 ± 0.25	2.64 ± 0.09	1.72 ± 0.07	1.73 ± 0.14
120	5.10 ± 0.31	2.60 ± 0.12	1.52 ± 0.05	1.32 ± 0.16
Hemoglobin concentration (g/dL)
72	12.90 ± 0.31	10.3 ± 0.17	9.7 ± 0.30	8.7 ± 0.30
96	13.01 ± 0.32	9.70 ± 0.22	9.5 ± 0.41	8.3 ± 0.40
120	13.10 ± 0.34	8.43 ± 0.18	8.1 ± 0.30	7.6 ± 0.50
Hematocrit (%)
72	39.80 ± 0.42	37.72 ± 1.2	33.20 ± 0.34	30.40 ± 1.20
96	39.52 ± 0.43	35.40 ± 1.3	29.80 ± 1.70	26.40 ± 1.60
120	39.62 ± 0.43	34.22 ± 1.4	26.32 ± 1.01	19.49 ± 1.70
Leukocyte counts (106/mm3)
72	17.97 ± 1.20	18.51 ± 1.70	19.41 ± 1.01	20.45 ± 1.13
96	18.34 ± 1.62	20.49 ± 12.09	22.45 ± 0.81	23.70 ± 1.52
120	18.40 ± 1.84	21.12 ± 0.14	23.34 ± 0.93	24.64 ± 1.73
Neutrophils (%)
72	0.74 ± 0.30	1.42 ± 0.32	2.40 ± 0.29	7.30 ± 0.17
96	0.82 ± 0.20	1.51 ± 0.13	3.40 ± 0.54	7.40 ± 0.22
120	1.20 ± 0.20	2.05 ± 0.44	4.25 ± 1.24	7.50 ± 0.19
Lymphocytes (%)
72	94.21 ± 1.21	97.02 ± 0.43	97.40 ± 0.26	101.10 ± 1.22
96	95.10 ± 1.30	97.30 ± 0.17	98.45 ± 0.14	101.35 ± 1.32
120	96.10 ± 1.32	98.00 ± 0.13	99.10 ± 0.22	101.45 ± 1.23

In each row, values (mean ± SE) bearing asterisks differ significantly (P < 0.05) from that of values in untreated (T0) fish.