Anthelmintic Activity of Vernonia anthelmintica. Seeds Against Trichostrongylid Nematodes of Sheep

Figures & data

Table 1. In vitro. effect of crude aqueous and methanol extracts of Vernonia anthelmintica. on Haemonchus contortus. of sheep in comparison with positive control (levamisole).

	Mean number of worms showing motility at different hours post exposure
Treatments	0 h	1 h	2 h	3 h	6 h	Fresh PBS for 30 min
Levamisole at 0.55 mg mL^−1	10.0^a.	3.6^b.	1.6^c.	0.3^d.	0^d.	0^d.
Vernonia anthelmintica. CAE (at 25 mg mL^−1)	10.0^a.	10.0^a.	9.0^a.	8.6^a.	8.6^a.	8.6^a.
Vernonia anthelmintica. CME (at 25 mg mL^−1)	10.0^a.	10.0^a.	8.6^b.	8.3^b.	5.0^c.	5.0^c.
PBS	10.0^a.	10.0^a.	10.0^a.	10.0^a.	9.6^a.	9.6^a.

^a–d.Means marked with similar letters in a row do not differ significantly at p ≥ 0.05.

*Indicates that worms were placed in PBS after exposure of 6 h to the treatments to confirm their mortality.

Figure 1 Reduction in eggs per gram (EPG) of feces in sheep treated with different doses and forms of Vernonia anthelmintica. compared with control group.