DIGNE-LES-BAINS, France – Barloworld will end its cycling sponsorship after one of its riders was expelled from this year's doping-marred Tour de France.

Barloworld rider Moises Duenas Nevado of Spain tested positive for the banned blood-booster EPO this week.

In a statement Saturday, the South African industrial conglomerate said its team has a “zero tolerance” policy on doping. It said the doping scandal has had a “negative impact” on its brand image.

It said discussions are under way to find replacement sponsors.

This year's Tour de France has been rocked by three positive doping tests.