Brachyspira sp.

Question 1

Five species of brachyspires have been isolated from pigs, namely;

Answer 1

Brachyspira hypdysenteriae, B. pilosicoli, B. B. intermedia, B. innocens and B. murdochii

Question 2

two brachyspira species considered to be nonpathogenic

Answer 2

B. innocens and B. murdochii

Question 3

has been associated with intestinal spirochaetosis in chicken and pigs

Answer 3

Brachyspira intermedia

Question 4

are found in the intestinal tract of both clinically affected and normal pigs

Answer 4

Pathogenic Brachyspira species

Question 5

Carrier pigs can shed ______________ for up to 3 months and are the principal source of infection for healthy pigs

Answer 5

B. hyodysenteriae

Question 6

is associated in with vent disease in rabbits

Answer 6

treponema paraluiscuniculi

Question 7

have been identified in lesions of bovine digital dermatitis and contagious ovine digital dermatitis

Answer 7

Treponema species

Question 8

have six to fourteen spirals and are 0.1 to 0.5 um in width

Answer 8

Brachyspira and Treponema species

Question 9

Causative agent of swine dysentery

Answer 9

B. hyodysenteriae

Question 10

causative agents of intestinal spirochaetosis of pigs, dogs, birds and humans

Answer 10

B. pilosicoli

Question 11

implicated in porcine spirochaetal colitis

Answer 11

B. intermedia

Question 12

cultures are incubated anaerobically at?

Answer 12

42°C for at least 3 days