DERMATOLOGY - Ectoparasite control - SAs Flashcards Preview

Principles of Science BVetMed 3 > DERMATOLOGY - Ectoparasite control - SAs > Flashcards

Flashcards in DERMATOLOGY - Ectoparasite control - SAs Deck (68)
Loading flashcards...
1

What are the 3 commonest orders of the class Insecta to cause disease in small animals?

- Diptera (flies)
- Diphonaptera (fleas)
- Phthiraptera (fleas)
- use INSECTICIDES against these

2

What is the Order Acarina

- part of the class ' Arachnida'
- includes ticks and mites
- use ACARICIDES against these

3

What propotion of the flea population is present as an adult at a given point in time?

only 5% total population

4

What temperature and humidity are required for the flea LC?

Temp 20-30 degrees
Relative Humidity (RH) of > 70%

5

What are the objectives of FAD therapy

- kill fleas in hair coat
- protect against re-infestation
- eliminate environmental reservoir and prevent future generations

6

What are the targets in flea control? 2

- ADULTS in hair (adulticide)
- IMMATURE STAGES in carpet/refuge (killed on emergence/not replaced due to adulticide, IGR or IDI, vacuum)

7

Name 5 traditional insecticides for fleas

- organophosphates
- organochlorides
- carbamates
- pyrethroids
- other botanicals

8

Name insecticides against fleas

- imidacloprid/ nitenpyram / dinotefuran
- fipronil/ pyriprole
- selamectin (stronghold)
- spinosad
- newer products
- (metaflumizone)

9

List some newer insecticides against fleas

- indoxacarb
- indoxacarb / permethrin
- fipronil / methoprene / amitraz
- spinosad
- fluralaner
- afoxolaner

10

What would an ideal flea tx do?

- kill flea before feeding (none do this)
- kill flea before it lays eggs (36h, existing products do this for 3 weeks)

11

Outline Spinosad (Comfortis) as a flea treatment

= adulticide
- tetracyclic macrolide
- targets nACH-R
- DOG and CAT
- fleas only
- rapid kill (80-100% at 4 hours)
- persists 3-4 weeks
- ORAL administration
- vomiting (5% dogs, up to 15% cats)
*DON'T GIVE WITH IVERMECTIN*

12

What is Certifect?

= Fipronil/ methoprene/ amitraz flea tx
- DOG ONLY
- spot on, every 4 weeks
- for fleas, Trichodectes canis (lice) and ticks (but doesn't stop attachment)

13

What is Frontline combo?

= fipronil + methoprene (IGR)
- dog and cat
- extended ovicidal activity
- resistance?
- POM-V

14

What is Activyl/ Indoxacarb?

= new adulticide against fleas
- Na channel blocker
- bio-activation
- spot on every 4 weeks
- >90% activity within 8 hours
- fleas only

15

What is Pyriprole?

= adulticide for fleas
- dog only
- fleas and ticks

16

What is Activyl Tick Plus (Indoxacarb + Permethrin)?

- flea adulticide
- DOG ONLY
- bioactivation
- spot-on, every 4 weeks
- AGAINST: fleas, ticks, Ixodes, Rhipicephalus, Dermacentor and Amblyomma

17

What is 'Scalibor'?

- a 4% deltamethrin-impregnated collar
- 6 month activity (dog only)
- sandflies, mosquitos, ticks
- >99% flea, >94% tick control for 6 months
- safe to combine with Activyl (Indoxacarb = flea adulticide)

18

What are the 2 main mechanisms of insecticide resistance?

- DETOXIFICATION - by hydrolases and mixed function oxidases
- TARGET SITE MODIFICATION - AChE, nAChE-R, Na-channel and GABA-R

19

What are the main concerns of resistance in agriculture??

- fipronil resistance
- imidacloprid resistance

20

Name 4 different IGR/IDIs

- LUFENURON - orally (dogs), injection/oral (cats)
- CYROMAZINE - household spray
- PYRIPROXIFEN - on animal, household spray
- METHOPRENE - on animal, household spray

21

What are the 2 different types of IGR?

- JUVENILE HORMONE ANALOGUES (JHA)
- INSECT DEVELOPMENT INHIBITORS (IDI)

22

How do juvenile hormone analogues work and give 2 examples

- disrupt growth in immature insects
- methoprene and pyriproxyfen

23

How do IDIs work and give an example

- inhibit chitin syntehsis
- lufenuron

24

Describe nitenpyram (capstar)

- oral
- flea only
- dog, cat
- no persistence

25

Describe spinosad (Comfortis)

- oral
- flea only
- dog, cat
- rapid kill, 3-4 weeks persistence

26

Describe Afoxolaner (NexGard)

- oral
- flea (5 weeks) and tick (4 weeks)
- dog only

27

Describe Fluralaner (Bravecto)

- oral
- flea (12 weeks) and tick (8-12 weeks)
- dog only

28

Describe the Fipronil spray

- dog, cat
- 4 week activity
- label (8,12 weeks)
- lice and ticks

29

Outline Indoxacard spot-on (Activyl)

- flea only
- dog and cat

30

Outline Imidacloprid (Advantage) spot-on

- flea only
- dog, cat and RABBIT
- efficacy reduced by wetting

Decks in Principles of Science BVetMed 3 Class (110):