Fichas
Ectoparasites
Fichas del conjunto (44)
- 1What is the generic fly life-cycle?Egg -> Larvae -> Pupae -> adult
- 2Why did the attempted eradication of malaria not work?DDT resistance (potent insecticide) and poor surveillance.
- 3Which agent transmits malaria?Female anopheles mosquito
- 4What is the difference between eradication and control?Eradication is to eliminate the disease so it will not return, whereas control is to reduce the disease/pest to an acceptable level.
- 5Which body system do most ectoparasitic drugs target?Neurotoxin.
- 6Which four aspects of the CNS do ectoparasitic drugs target?GABA inhibitor, Na+ channel blocker, Cl- channel blocker and Choline esterase inhibitor.
- 7Name some insect repellants?Pyrethrin, DEET and citronella
- 8Name a Dessicant?Sodium Polyborate
- 9Name a insectide with a synergist effect?Piperonyl Butoxide.
- 10How does Piperonyl Butoxide work?Inhibits insect detox pathway, increasing available concentration of insecticide especially when used with pyrethrin.
- 11Give an example of an insecticide dip used especially in cats?Lime-sulphur. Good for mites.
- 12What is a deltamethrin collar good for?Sandflies, mozzies and ticks.
- 13What is a imidacloprid/flumethrin collar good for?Fleas and ticks
- 14How does nitenpyram differ from a spinosad?Nitenpyram is very rapid but very short acting wheras spinosad can last for up to a month.
- 15Why do you need to give multiple environmental flea treatment?Because the pupae are unaffected by any drug so you wont have got whole population with first treatment.
- 16What groups of ectoparasitic control are found in FrontlineComboJuvenile growth hormone analogue in combo with an adulticide.
- 17Why is it important if a louse is sucking or chewing?Because a systemic drug would be more effective for a sucking louse than a chewing one.
- 18What is significant about the lifecycle of a ked.Whole life cycle on host.
- 19What is a ked?Wingless, bloodfeeding fly.
- 20What are midges and mosquitos vectors of?Bluetongue and schmallenburg.
- 21What are sandflies a vector of?Leishmaniosis
- 22What is a way to repel sandflies?Use a deltamethrin collar.
- 23What is the scientific name for a hard tick?Ixodid
- 24What is the scientific name for a soft tick?Argasid
- 25Which tick is nidiculous?Argasid
- 26What is significant about Ixodes ricinus ?It is ENDEMIC in UK and can trasmit Lyme disease, Louping Ill, Erhlicia and Babesia
- 27What is Borrelia burgdoferi ?Lyme disease
- 28What disease does Dermacentor reticulatus transmit?Babesia canis
- 29What diseases do Rhipicephalus sanguineus trasmit?Babesia canis and Erhlicia
- 30What is the most common Tick-borne disease in UK?Borreliosis
- 31Describe the morphology of the Borrelosis agent?Spirochete
- 32What animals does Louping Ill virus effect?Sheep and Grouse in upland areas.
- 33Is Louping Ill notifiable?Nope - control is voluntary
- 34What is the pathogenesis of Babesiosis?Intraerythrocytic protozoan parasite which results in destruction of RBCs and causes anaemia.
- 35What is the most economically important arthropod-borne disease of cattle worldwide?Babesiosis caused by Babesia bovis
- 36What strain of Babesia affects cattle in UK?Babesia divergens aka redwater fever.
- 37What is the window between tick attachment and pathogen transfer?About 24hours
- 38What is a mite life-cycle?Egg -> 6 legged larvae -> 8 legged nymph (1-3 stages) -> adult
- 39What is the main host of sarcoptic mange?Dogs (fox reservoir - can be zoonotic)
- 40What is the best treatment for sarcoptic mange? What is a downside?Amitraz bath but is a bit of a faff (weekly needed)
- 41How does the age of the animal affect treatment for demodex?IN a young animal this will resolve with age however in an older animal dz is associated with immuno-incompetence therefore treat and investigate immunosuppression.
- 42What is the agent for sheep scab?Psoroptes ovis
- 43What is the best way to treat sheep scab?Dip (OP) + Injection (Moxidectin)
- 44How does moxidectin differ in terms of withdrawal period cf doramectin and ivermectin?Withdrawal period is much longer.
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- Descripción
- Fichas sobre Ectoparasites, creado por Chloe Zaydner el 19/04/2014.
- Creado por
- Chloe Zaydner · abr 2014
- Actualizado
- 6 abr 2018
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