title: Production system-based model for defining economic thresholds in preweaner beef cattle, Bos taurus, infested with the lone star tick, Amblyomma americanum (Acari: Ixodidae).
mesh_terms: D000818:Animals; D001835:Body Weight; D002417:Cattle; D002418:Cattle Diseases / Q000191:economics*; D005260:Female; D007306:Insecticides; D013983:Tick Control / Q000191:economics*; D013984:Tick Infestations / Q000191:economics / Q000662:veterinary*
chemical_list: D007306:Insecticides