− | Unlike other nematode parasites of donkeys and horses, pinworm eggs are rarely observed in faecal samples due to the unique egg-laying behaviour of the females. However, O. equi eggs can be collected by pressing clear sticky tape onto the perianal skin and applying the tape to a glass slide for direct microscopic observation. | + | Unlike other nematode parasites of donkeys and horses, pinworm eggs are rarely observed in faecal samples due to the unique egg-laying behaviour of the females. However, ''O. equi'' eggs can be collected by pressing clear sticky tape onto the perianal skin and applying the tape to a glass slide for direct microscopic observation. |