Haemonchosis (the condition caused by the Haemonchus contortus worm) can be fatal in sheep following sufficient intake of worm larvae over a short timeframe. Death can follow weight loss, anaemia ...

What is haemonchus? Haemonchus contortus – sometimes known as barber’s pole worm – is a parasite that lives in the fourth stomach, the abomasum, of the host animal.

The image shows the posterior end of a male Haemonchus contortus parasite. The dark-coloured sharp ‘spicules’ assist in copulation, and allow microscopic identification of the worm in the ...

Haemonchus Contortus, otherwise known as Barbers' pole worm, is a blood sucking internal parasite causing illness and death in sheep, alpaca and goats.