Grazing cattle usually provide the juice, but you'll do. The leeches aren't too discriminating, and they're hungry. Real hungry. "What are we doing in the forest?" Oh, sorry. To get to the swamps ...

leeches are usually dully coloured but can sport attractive spots and stripes. They have simplistic eyes in multiple pairs or rows.Meanwhile, liver fluke can infect cattle, sheep and goats ...

The leech multiplies its body mass by six or seven ... visits Kenya to see how the beef tapeworm needs to infect both beef cattle and humans to complete its life-cycle. Infested by Toxoplasma ...