(C4) Parasitic Dermatologic Diseases in Dogs and Cats

what are the 3 body parts in ectoparasites

1. head

2. thorax

3. abdomen

lice lack —, and are flattened —

wings, dorsoventrally

what are the 2 types of lice (scientific)

1. Mallophaga

2. Anoplura

what are the 2 types of lice (common)

1. biting louse

2. sucking louse

Mallophaga is commonly known as

biting lice

biting lice aka

chewing lice

Trichodectes canis common name is?

biting lice

what animal do Trichodectes canis like

dogs

common name of Felicola subrostratus

biting lice

what animal does Felicola subrostratus like

cat

common name of Anoplura

sucking lice

what is it (scientific name - dog)

Trichodectes canis

what is it (scientific name - cat)

Felicola subrostratus

what is it (scientific - dog)

Linognathus setosus

what is the common name of Linognathus setosus

sucking lice

what animal does Linognathus setosus like

dog

lice have a direct or indirect life cycle

direct

how are lice spread

direct contact with lice

lice eggs are called —

nits

what is the pre patent period for lice (range)

3 - 4 weeks

life infestations are called

pediculosis

clinical signs of lice (5)

1. Pruritus

2. Hair loss due to scratching and rubbing

3. May cause anemia

4. Secondary bacterial infection

5. Poor weight gain and growth

how to diagnose lice (3)

1. Find nits on hair

2. Lice on skin

3. scotch tape method technique

how to treat lice (5)

1. Isolate infected animal(s)

2. medications

3. treat all animals that have been near animal

4. Wash /bedding for fomites

5. Allow a 4 week vacancy period

what is it (common name)

flea

what is it (scientific - dog)

Ctenocephalides canis

what is it (scientific - cat)

Ctenocephalides felis

do fleas suck blood

yes

Fleas are the intermediate host for the common — of dogs

tapeworm

Non adult stages of fleas live in — —

the environment

fleas are flattened —

laterally

Adult fleas can jump up to — cm

45

range of pre-patent period for a flea is — days - — months

13 days - 6 months

Once hatched the adult flea is attracted to the host by (3)

1. warmth

2. movement

3. exhaled C02

Adult fleas can live up to 8 weeks without …

a first blood meal

flea Larvae hatch from the eggs in about — - — days under ideal conditions

1 - 10 days

fleas Can lay up to — - — eggs on the host

40 - 50 eggs

After — - — days the flea larvae pupate or spin a cocoon

5 - 11 days

flea larvae develops into an adult in about — days

5

how long can fleas live inside the cocoon for — - — days

140 - 180 days

clinical signs of fleas (3)

1. Pruritus

2. FAD (Flea Allergy Dermatitis)

3. Dermatitis in humans due to bite marks

how to diagnose fleas (6)

1. Add saline to flea feces/”dirt” on white paper and observe for blood

2. Flea larvae may fall out

3. Fecals

4. May see adult fleas on pet jump

5. May see adult fleas on pet in hair

6. flea comb

how to treat fleas

meds

how to prevent fleas (5)

1. Treat monthly

2. Clean house

3. Spray areas pet habitats

4. Vacuum house

5. throw out all vaccum bags

Most tick species in Alberta do not carry — —

Borrelia burgdorferi

The — species causes the greatest concern in western Canada

dermacentor

Ixodidae family is known as

the hard ticks

Dermacentor andersoni common name is

Rocky Mountain wood tick

Rocky Mountain wood tick scientific name is …

Dermacentor andersoni

what is it (scientific)

Dermacentor andersoni

what is it (common name)

Rocky Mountain wood tick

Rocky Mountain wood tick causes

Ehrlichia spp.

Dermacentor variabilis common name is

American dog tick

American dog tick scientific name is

Dermacentor variabilis

what is it (common name)

American dog tick

what is it (scientific name)

Dermacentor variabilis

Dermacentor variabilis causes

Rickettsia spp.

Ixodes scapularis common name is (2)

1. Deer tick

2. black legged deer tick

Deer tick scientific name is

Ixodes scapularis

what is it (common name) (2)

1. Deer tick

2. black legged deer tick

what is it (scientific name)

Ixodes scapularis

Ixodes scapularis causes (3)

1. Borrelia burgdorferi

2. Babesia spp.

3. Anaplasma

Ixodes pacificus common name is

Western black legged tick

Western black legged tick scientific name is

Ixodes pacificus

what is it (scientific name)

Ixodes pacificus

what is it (common name)

Western black legged tick

Western black legged tick causes (3)

1. Anaplasma

2. Rickettsia spp.

3. Ehrlichia canis

Rhipicephalus sanguineus common name is

Brown dog tick

Brown dog tick scientific name is

Rhipicephalus sanguineus

what is it (scientific name)

Rhipicephalus sanguineusw

what is it (common name)

Brown dog tick

Brown dog tick causes

1. Anaplasma

2. Rickettsia spp.

3. Babesia spp

Amblyomma americanum common name is

Lone star tick

Lone star tick scientific name is

Amblyomma americanum

what is it (scientific name)

Amblyomma americanumw

what is it (common name)

Lone star tick

Lone star tick causes (2)

1. Ehrlichiosis

2. Tularemia

what shape are ticks

ovoid

define scutum

hard dorsal shield

ricks have a — (hard dorsal shield)

scutum

Ticks find hosts by waving their legs in the air to detect changes in (5)

1. CO2 concentration

2. temperature

3. light

4. moisture

5. vibrations

clinical signs of ticks (7)

1. Painful bite

2. irritating bite

3. stress

4. anemia

5. pruritic

6. Reddened area around bite

7. Bull’s eye appearance around bite

how to diagnose ticks (2)

1. tick on pet

2. clinical signs

how to treat ticks (2)

1. remove ticks

2. meds

how to prevent ticks (2)

1. meds

2. Inspecting animal after being outdoors.

how to remove ticks

with tweezers, ensure you get ticks head, grasp close to skin and pull upward with steady pressure

clinical signs of Ehrlichiosis (6)

1. fever

2. swollen lymph nodes

3. respiratory distress

4. weight loss

5. bleeding disorders

6. neurological disturbances

is Ehrlichiosis zoonotic

yes

lyme disease is caused by

Borrelia burgdorferi

clinical signs of lyme disease (9)

1. generalized pain

2. have stopped eating

3. high fevers

4. begin limping

5. vomiting

6. lethargy

7. anorexia

8. lack of appetite

9. weight loss.

is lyme disease zoonotic

yes

Anaplasmosis is caused by the infectious bacterial organism

Anaplasma phagocytophilum

clinical signs of Anaplasmosis (11)

1. lameness

2. joint pain

3. fever

4. lethargy

5. anorexia

6. lack of appetite

7. vomiting

8. diarrhea

9. coughing

10. labored breathing.

11. cyclic thrombocytopenia

is Anaplasmosis zoonotic

yes

clinical signs of babesia (4)

1. fever

2. chills

3. fatigue

4. jaundice

is babesia zoonotic

yes

how long does babesia need to be attached to transmit babesia (range hrs)

36 - 72 hrs

is babesia zoonotic

yes

Rickettsia leads to — — — fever

Rocky Mountainted Spotted

clinical signs of Rickettsia (4)

1. sudden fever

2. severe headache

3. malaise

4. delayed, rash