Controlling Horn Flies, Lice, Grubs and Ticks on Cattle by Chemical Use Floron C. Faries, Jr., DVM, MS Professor and Extension Program Leader for Veterinary.

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Presentation transcript:

Controlling Horn Flies, Lice, Grubs and Ticks on Cattle by Chemical Use Floron C. Faries, Jr., DVM, MS Professor and Extension Program Leader for Veterinary Medicine Texas 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

Tick Stages – Eggs, Larvae, Nymphs, Adults

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

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