Acceptable performance of grazing cattle frequently depends on the availability of effective
broad-spectrum anthelmintics to remove, or prevent infection with, gastrointestinal …

Macrocyclic lactones (MLs) are the cornerstone of parasite control in livestock due to their
broad-spectrum activity against endo (nematodes) and ecto (lice, ticks, mites) parasites …

This study compared selective control versus strategic control against Rhipicephalus
(Boophilus) microplus, under conditions of a real dairy farm. Strategic control requires that …

Ticks, flies, and gastrointestinal helminths (GINs) significantly affect cattle productivity; thus,
ectoparasiticide, endoparasiticide, and endectocide drugs have commonly been used for …

The concentration–time profile, therapeutic, and persistent efficacy of a single subcutaneous
injection of cattle with a long-acting (LA) formulation of ivermectin at a concentration of …

Engorged females of Rhipicephalus microplus were collected from 30 cattle farms in
Yucatan, Mexico to evaluate ivermectin resistance. The larval progeny of each tick sample …

Tick control is mainly dependent on the application of acaricides, but resistance has
developed to almost all classes of acaricides, including macrolactones. Therefore, we aimed …

The widespread presence of anthelmintic resistant gastrointestinal parasitic nematodes in
outdoor ruminant production systems has driven the need to identify and develop novel …

Faecal Egg Count Reduction Tests (FECRTs) for macrocyclic lactone (ML) and levamisole
(LEV) drenches were conducted on two dairy farms in the subtropical, summer rainfall …

Two high doses of ivermectin (630 μg/kg and 700 μg/kg) that are sold commercially in Brazil
were evaluated in dose-and-slaughter trials with 144 naturally nematode-infected cattle from …