Fig. 3

The micrographs show the helminth eggs and larvae isolated from the fly pools. a-h Trichostrongylids whole 1st stage larva (a), larval anterior end showing numerous intestinal cells (b), posterior end of first stage larvae showing short, pointed sheath (c), and Trichostrongylids egg (d). A scanning electron micrograph of Trichlostrongylids larvae showing lateral alae (LA) at the anterior end while the esophagus is not well demarcated (e), posterior end (pe) showing a pointed tail and short sheath (sh) (f). g: Trichuris spp. immature egg, (h): Toxocara vitulorum egg. Lens 40 × and 10x