Fig. 3From: In vitro effect of three tropical plants on adult Haemonchus placei, an haematophagous nematode from cattleAnthelmintic activities of the plants’ acetone extracts (1–20 mg/mL) against adult Haemonchus placei. Each value represents two replicates of two independent experiments after 3-h exposure at ambient temperature (26‒30 °C). *na indicates ‘not active’Back to article page