The in vitro anthelmintic effect of the extracts on Haemonchus contortus (H. contortus) three forage species tropical dry forest is known; however, there no information about effects extract partitions, nor their chemical composition. objectives this study were to evaluate ovicidal activity H. partitions Gliricidia sepium, Leucaena leucocephala, and Pithecellobium dulce, identify compounds pres...