Animal Ectoparasites & Disease Vectors

Fleas

Ticks/Mites

Lice

Biting Flies

Biting Flies

Biting Flies - Life Cycle

Biting Flies - Life Cycle

Biting Flies - Life Cycle

Biting Flies - Life Cycle

Biting Flies - Habitat

Unsanitary areas! feces, garbage, filth, etc.

Mosquitos - Life Cycle

Mosquitos - Habitat

Flies: Animals Affected

Cattle Horses Sheep/Goats Dogs/cats People

Flies: Injury

Invasive Myiasis Nuisance

Weight loss Reduced weight gain Scratching Hair loss Lethargy

Infection

Direct Injury - Myiasis

Myiasis

Flies: Injury

Blood Loss/anemia Hide Damage

Cattle grub/cysts- on back & sides

Disease Encephalitis: WNV, JEE

(horses) Bot fly (sheep/goat nostrils)

Lice

Lice: Biology Live on the animal Collect with skin scrapings More common in autumn & winter Chewing & sucking Spread by direct contact Affect:

Poultry Cattle Sheep/goats

Lice - Life Cycle

Nymph Stages

Adult

Lice: Injury Nuisance

Weight loss Reduced weight gain Reduced milk production Scratching

Lesions Hair loss Lethargy

Infection

Ticks and Mites

Tick/Mite Biology

Hard & Soft Ticks Soft ticks tend to remain in

bedding/stable/den Hard ticks fall off into vegetation &

quest for next host

Ticks and Mites - Life Cycle

Ticks/Mites - Injury

Mange Caused by mites Feed on skin surface & burrow under skin Nodules form in tunnels Causes intense itching

Ticks/Mites - Injury Nuisance Infection Blood Loss/anemia Disease:

Babesiosis Q fever Tick paralysis Tularemia Tick borne fever

Ticks and Mites - Habitat

Underbrush, tall grass, pathways, resting places, dens

Fleas

Fleas - Biology

Live on the host or in burrow/den Pupae can remain dormant until host

detected Sticktight fleas remain attached for

long periods of time Affects:

All mammals & poultry (sticktight fleas)

Fleas - Life Cycle

Fleas - Habitat

Burrows, nesting, and bedding down areas

Fleas - Injury

Nuisance Dermatitis Anemia Disease:

Plague Tularemia Typhus

Prevention

Sanitation Open range vs feedlot Breeding areas: dirty, damp,

feces/manure Eliminate brushy areas/animal burrows

Eliminate Standing Water (mosquitoes)

Avoid overcrowding Maintain healthy animals

Control Insecticide application:

Rubs Ear tags Sprays

Livestock Residual barrier

Timing of application Retreatment may be needed

when eggs hatch Fly traps

Questions??