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Deer Ticks Deer Ticks...one bite can change your life... Nantucket Tick-Borne Disease Forum July 28, 2012 Larry Dapsis Deer Tick Project Coordinator - Entomologist www.capecodextension.org 508-375-6642
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Ticks have NO friends… The Dalai Lama I love everything in the world…except for ticks…
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4-Poster Deer Feeding Station Study EPA funded 2009 – 2011 Collaboration w/ UMass - Amherst EPA funded 2009 – 2011 Collaboration w/ UMass - Amherst Project Extended to 2013 to collect additional tick population & infection data Project Extended to 2013 to collect additional tick population & infection data 14 Sample Sites 14 Sample Sites
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Tick Sampling – Flag Drag Method
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Number of sites found with positive detects in Nymph Stage Deer Ticks. 14 total sample sites. BorreliaBabesiaAnaplasma 201113106 201013514
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Co-infection Nymph Stage Deer Ticks % Co- infection Number of Sites out of 14 2011108 201046
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Nymph Stage Tick Infection Punkhorn Conservation % Bor-Bab-Ana 2011 22 20 0 2010 47 13 8 Bells Neck Conservation % Bor-Bab-Ana 2011 23 20 0 2010 27 0 5
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Nymph Stage Tick Infection Almanack Pond % Bor-Bab-Ana 2011 17 40 0 2010 29 5 5 Loring Foundation % Bor-Bab-Ana 2011 20 20 40 2010 0 0 33
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Nymph Stage Tick Infection Chappaquiddick Island % Bor-Bab-Ana 2011 21 20 20 2010 30 2 9
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Phase 1 Game Plan- Protect Yourself
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Tick/Insect Repellent Clothing – Do-it-Yourself Treatment Permethrin products Fabric only…Active thru 6 washings Sold under a variety of brand names. –Permanone, Repel, Sawyer, Bens... Note, Permethrin is an insecticide that repels and kills ticks. Read the Label…
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Tick/Insect Repellent Clothing Permethrin bonded to fabric Permethrin bonded to fabric Many brands…one supplier Many brands…one supplier 70 Washings EPA Claim 70 Washings EPA Claim
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Highly Effective….60 Seconds contact enough to kill Adult Deer Ticks…Cape Cod Cooperative Extension
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Permethrin Facts 2,250 times more toxic to ticks than humans EPA: Reasonable certainty that permethrin- treated clothing poses no harm to infants or children…27 X below LOC Low skin absorption…metabolized quickly Exposure data also studied by National Research Council…Committee on Toxicology Conclusion: Adverse effects unlikely Also used for scabies and head lice control
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Phase 2 Game Plan - Protect Your Yard Wildlife and habitat management Wildlife and habitat management Perimeter sprays effective Perimeter sprays effective …NOT the entire yard …NOT the entire yard
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EcoExempt IC2 Botanical – –Rosemary Oil 10% – –Peppermint Oil 2% – –Oil of Wintergreen – –Vanillin EcoExempt was as effective as bifenthrin, a synthetic pyrethroid insecticide – –Vector-Borne Disease Laboratory, Maine Medical Center Research Institute
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Damminix Tubes
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Damminix Tubes…however Several initial university studies looked promising Follow-up studies, NY & CT – –Replicated, multi-year – –No significant effect on tick populations …not all tick-carrying animals take cotton Company website – testimonial driven, questionable trial data
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Can Deer exclusion fencing reduce tick populations on a homeowners property??? Fact or Myth?
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More Ticks Fewer Ticks Effect of Deer Exclusion Fencing on the Number of Ticks Outside and Inside of the Enclosure
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4-Poster Deer Feeding Station. Developed by Mat Pound, USDA, Kerrville, Texas 1996
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