Table 2.

Effect of hydromethanolic crude extract of aerial parts of A. abyssinica on parasitaemia and mean survival time of T. congolense infected mice

Treatment	Dose (mg/kg)	Parasitaemia level (log number)/ml								Mean survival time (days)
		D0	D2	D4	D6	D8	D10	D12	D14
80% MeOH ext	100	7.16 ± 0.18	8.10 ± 0.17	7.80 ± 0.28bc	7.92 ± 0.26bcd	7.88 ± 0.16c	8.23 ± 0.21c	7.82 ± 0.16c	8.45 ± 0.13c	35.17 ± 6.49
80% MeOH ext	200	7.02 ± 0.09	7.90 ± 0.08	7.57 ± 0.24bc	6.90 ± 0.49c	6.70 ± 0.47c	7.95 ± 0.24c	7.69 ± 0.33c	8.10 ± 0.27c	36.50 ± 5.09
80% MeOH ext	400	7.17 ± 0.32	7.83 ± 0.28	6.05 ± 0.36bc	3.00 ± 1.36a	3.87 ± 1.37a	4.90 ± 1.00ac	7.30 ± 0.12c	7.15 ± 0.31c	38.17 ± 4.88
DA	3.5	7.09 ± 0.06	1.25 ± 1.25	1.90 ± 1.20ad	3.30 ± 1.48a	4.60 ± 1.48c	6.12 ± 1.26c	7.41 ± 0.40c	7.92 ± 0.27c	36.83 ± 4.36
DA	28	7.13 ± 0.05	0.00 ± 0.00	0.00 ± 0.00ad	0.00 ± 0.00a	0.00 ± 0.00ab	0.00 ± 0.00e	0.90 ± 0.90e	1.85 ± 1.17e	42.00 ± 0.00
Distilled water	1 ml	6.94 ± 0.26	7.97 ± 0.12	8.67 ± 0.10	8.54 ± 0.07	8.46 ± 0.17	8.70 ± 0.06	8.14 ± 0.27	8.45 ± 0.21	34.33 ± 6.15

Values are mean ± SEM; n = 6; D = day; D0 = the day treatment commenced; SEM = standard error of mean; MeOH = Methanol; ext = extract; DA = Diminazene aceturate; All superscripts indicate significance at p < 0.05 (^a = compared to negative control; ^b = compared to 3.5 mg/kg DA; ^c = compared to 28 mg/kg DA; ^d = compared to 400 mg/kg; ^e = compared to all groups).