Feline infectious diseases 2

Question 1

Feline infectious anaemia is caused by

Answer 1

mycoplasma haemofelis

Question 2

Mycoplasma haemofelis causes

Answer 2

Cycles of parasitaemia at regular intervals : 6 days between, last 1-2d.

Question 3

PCV in FIA

Answer 3

rises and falls

Question 4

CSs in FIA

Answer 4

Vague, non-specific, correlate with degree of anaemia

Question 5

Anaemia seen in FIA

Answer 5

Regenerative: antibody mediated haemolysis, decreased RBC lifespan, erythrophagia by splenic macrophages.

Question 6

FIA infection most likely in

Answer 6

Males, non-pedigree, outdoor access.

Question 7

FIA dx

Answer 7

PCR

Fresh blood smears foe Romanowsky type staining but low sensitivity + specificity.

Question 8

Tx FIA

Answer 8

Doxycycline 6wks
± prednisolone (immunosupressive dose) if significant IMHA
± blood transfusion if required

Question 9

The main cause of cat scratch dz in humans

Answer 9

Bartonella henselae - gram -ve bacteria gets inoculated into people

Question 10

What plays a major role in transmission of bartonella henselae

Answer 10

Cat fleas - flea faeces containing Bartonella inoculated into the skin when the cat scratches.

Question 11

Sign of mycobacterial infection which may be detected on radiography

Answer 11

Calcification of LNs