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Controlling Horn Flies, Lice, Grubs and Ticks on Cattle by Chemical Use
Floron C. Faries, Jr., DVM, MSProfessor and Extension Program Leader for Veterinary
MedicineTexas AgriLife Extension Service
Texas A&M System
Horn Flies
Horn Fly Allergy
Cattle Lice
Heel Flies – Cattle Grubs
Spinose Ear Ticks (Soft Ticks)
Body and Ear Ticks (Hard Ticks)
Fever Ticks (One Host Ticks)
Cattle Horses White-tailed deer, elk, Nilgai, red deer Not sheep, goats, swine, dogs
Permanent Fever Tick Quarantine Zone
200 yards to 6 miles wide 500 miles along Rio Grande Del Rio to Brownsville 8 counties
Val Verde Kinney Maverick Webb Zapata Starr Hildalgo Cameron
Temporary Preventive Fever Tick Quarantine Area
2007 Expanded portions of Starr and Zapata
counties Small area of Jim Hogg county
2008 Expanded portions of Starr, Zapata, Webb and
Maverick counties Small areas of Jim Hogg and Dimmit counties
Hand-Treatment Methods
Body Spray Back Pour-on Back Dust SQ Injection Oral Bolus Ear Swab Body Dip
Hand Pressure Sprayer
Shower Pressure Sprayer
Back Pour-on
Ear Swab
Dipping Vat
Self-Treatment Methods
Ear Tags Back Rubber Dust Bag Supplement Blocks
Ear Tags
Dust Bags
Supplemental Blocks
Organophosphates
Coumaphos Phosmet Fenthion Chlorvinphos Dichlorvos Chloropyrifos Diazinon Ethion Pirimiphos
Pyrethroids
Permethrin Fenvalerate Cypermethrin Cyfluthrin Lambdacyhalothrin Zetamethrin Cyhalothrin
Chlorinated Hydrocarbons
Methoxychor
Formamidines
Amitraz
Macrolides
Ivermectin (Ivomec®) Eprinomectin (Eprinex®) Doramectin (Dectomex®) Moxidectin (Cydectin®)
Synergists
Piperonyl Butoxide Dicarboxamide MGK 264
Insect Growth Regulators
Chlorvinphos Diflubenzuron
READ AND FOLLOW THE LABEL
Precautions to prevent poisoning Follow labeled dose Follow labeled interval Follow labeled minimum age Follow labeled animal species