<prompt> The average blood loss in ankylostomiasis per worm is -0.2 -0.3mlday2 -4mlday0.33 -1mlday0.15-0.25 mlday  <response>: A duodenale ingests 0.15 -0.25 ml day. They also secrete anticoagulants at the site of attachment so that bleeding from these sites continue. Ref : panikers textbook of Medical parasitology 8th edition page 191 