Administration of Duddingtonia flagrans chlamydospores to goats to control gastro-intestinal nematodes: dose trials Carine Paraud, Hervé Hoste, Yves Lefrileux, Alain Pommaret, Virginie Paolini, Isabelle Pors and Christophe Chartier Vet. Res., 36 2 (2005) 157-166 DOI: 10.1051/vetres:2004060