ANCYCLOSTOMA (HOOK)

Question 1

name the main features of hookworms

Answer 1

cutting plates and hooked head end
bursate
Lymphotracheal migration

Question 2

desc basic hookworm lifecycle?

Answer 2

OR p/cutaneous of iL3
LT migration
L5 in SI

Question 3

name 2 hookworms which effect dogs? what other animal do these also effect?

Answer 3

uncinaria stenocephala
ancylostoma caninum

foxes

Question 4

which of the two hookworms to effect dogs is the most pathogenic? why?

Answer 4

a. caninum

voracious blood suckers (0.1ml/worm/d)

Question 5

what is the PPP of uncinaria?

Answer 5

15d

Question 6

what DZ can uncinaria cause?

Answer 6

pedal dermatitis of dogs on mud runs
anaemia
kg loss
d+

Question 7

how do you tx hookworm?

Answer 7

ID egg as strongyle –> ML and BZ!

clinical signs - D+ and anaemia

Question 8

what differs in the transmission of ancylostoma caninum?

Answer 8

iL3 in + or - migration

• ingested and swallowed (no migration
• ingested and penetrates buccal mucosa (migrates)
• percutane (migrates)
• transmammary (some L3 –> muscle; some no migration)

Question 9

how many cutting plates does uncinaria have?

Answer 9

2

Question 10

what is the poultry hook worm called

Answer 10

syngamus trachea ‘gapeworm’

Question 11

what does syngamus trachea look like

Answer 11

‘Y’ - in cupula. dz is due to mechanical blockage –> gasping

Question 12

what is distinctive about the egg of syngamus trachea

Answer 12

2 x opercula