Table 4 In vitro mean inhibition of embryonation of Ascaridia galli eggs by extract and fractions of Vernonia amygdalina

133.0 ± 2.0^b

144.5 ± 2.5^b

158.0 ± 3.0^b

169.5 ± 1.5^b

189.0 ± 2.0^b

125.5 ± 2.5^c

131.5 ± 0.5^c

139 ± 2.0^c

151.5 ± 2.5^c

162.5 ± 1.5 ^c

128.5 ± 0.5^c

134.5 ± 1.5^c

140.0 ± 1.0 ^c

146.5 ± 1.5^c

160.5 ± 1.5^c

141 ± 2.0^a

155.5 ± 1.5^a

164.5 ± 0.5^a

181.0 ± 2.0^a

194.5 ± 2.5^a

46.5 ± 1.5^e