dermatophysiology cases SDL

Question 1

how do you best diagnose a chronis infestation with sarcoptes scabiei var. suis

Answer 1

take ear scrapings for KOH method plus serum for sero-diagnosis

Question 2

what situation (s) might evoke cross reactions in sarcoptes scabiei var. suis seology in pigs

Answer 2

• allergies to house dust mites and/or storage mites
• infection with sarcoptes scabiei var. canis
• prior sarcoptes mite infection

Question 3

how can a pig breeder prevent the introduction of sarcoptes spp to their farm

Answer 3

• prevent contact between pigs and other animals such as wild boar, fox, dogs and rodents
• put new pigs into a quaratine of 14 days and treat them twice with macrocyclic lactone injections
• regularly disenfect transport trucks with organophosphates

Question 4

what would you recommend to a pig breeder to eradicate sarcoptes spp from their farm

Answer 4

treat all aduult animals with ML injection with an interval of 14 days and treat all piglets that are born within this period the day they are born

Question 5

in which phase of disease does sarcoptes do the most damage

Answer 5

the chronic phase because of severe pruritus due to allergic reaction with increased scratching activity

Question 6

what are the potential causes of the development od leishmania infections in cats

Answer 6

the main cause of infection is a bite by an infected sand fly

Question 7

what could be the main reason for an increased reports of feline leishmaniosis during the past 20 years

Answer 7

• increased diseased surveillance and prevalence
• advances in diagnostic technologies

Question 8

which treatment has been the most efficient against feline leishmaniosis

Answer 8

combo of meglumine antimonite and allopurinol

Question 9

which is the best prophylactic measure to avoud bites of an infected sand fly with leishmanosis

Answer 9

• avoid endemic regions
• treat animals with insect repellent
• use insecticide-impregnated collars
• avoid outdoor activities at night in endemic regions

Question 10

how long does it take to rid a house of a flea infestation

Answer 10

the average infestation takes 90 days to clear from a house

Question 11

What is the primary source of Ctenocephalides felis re-infestation

Answer 11

pupae in the indoor environment