Sample 1

From a farm in South Western Victoria (near Camperdown). The property has had a problem with multi-drench resistance in the past. Merino weaners have been treated a week ago with a macrocyclic lactone (ivermectin-like) drench. There have been no sign of problems so far. What should happen now?

Sample 2

From a farm in South Western Victoria (near Birregurra). The property has had a problem with multi-drench resistance in the past. Cross-bred weaners have been treated three days ago with a clear (levamasole) drench. They are in good condition and there has been no scouring. What should happen now?

Sample 3

From a farm in South Western Victoria (near Colac). The property has had a strategic worm-control plan (McKinnon Project) for the past three years. A group of Merino hoggets were drenched twice over last summer and not since. Their weight gains have not been as good as expected. Is there a worm problem?

Sample 4

From a farm in South Western Victoria (near Mortlake). The property has had a problem with multi-drench resistance in the past. Cross-bred ewes have been treated six weeks ago with a white (albendazole) drench. They are in poor condition but there has been no scouring. What should happen now?