Coughing, blood in the nose and mouth, respiratory problems, emaciation and anaemia, and reduced milk yield have been reported in leech-infested animals.Facts about the research studyThe study ...

Photomacrograph of the medicinal leech Hirudo verbana. Leeches are aquatic, blood sucking, segmented worms, which mainly feed on mammalian blood. In a single feed they can consume over 3 times their ...