A comparative study of the effects of four treatment regimes on ivermectin efficacy, body weight and pasture contamination in lambs naturally infected with gastrointestinal nematodes in Scotland

Authors:

• Kenyon, F.

• McBean, D.

• Greer, A.W.

• Burgess, C.G.S.

• Morrison, A.A.

• Bartley, D.J.

• Bartley, Y.

• Devin, L.

• Nath, M.

• Jackson, F.