5. Various organ lesions due to necrobacillosis and actinobacillosis

Question 1

main consequence of necrobacillosis in young

Answer 1

necrotic stomatitis

Question 2

for necrobacillosis where are the necrotic lesions located

Answer 2

liver
alimentary canal

Question 3

gram -ve bacteria causing nectrotic lesions

Answer 3

fusobacterium necrophorum

Question 4

is fusobacterium necrophorum zoonotic

Answer 4

yes

Question 5

where is fusobacterium necrophorum present

Answer 5

soil
oral cavity
invades mucosa following injury

Question 6

metastasis of necrobacillosis

Answer 6

to regional Ln

Question 7

where does necrobacillosis of ear and tail metastatise to

Answer 7

lung

Question 8

where does necrobacillosis of naval metastatise to

Answer 8

liver

Question 9

where does necrobacillosis of oral cavity metastatise to

Answer 9

lung

Question 10

what causes liver abscess syndrome

Answer 10

hyperkeratosis due to rumen acidosis due to necrobacillosis

Question 11

clinical signs of necrobacillosis in oral cavity

Answer 11

swollen cheeks
anorexia
weight loss
fever
putrid breath

Question 12

pathology of necrobacillosis in the oral cavity

Answer 12

dry, round localised necrotic spots
greyish, swollen areas
coagulation necrosis
demarcation

Question 13

where is the coagulation necrosis due to necrobacillosis

Answer 13

buccal pad
gums
pharynx
forestomachs

Question 14

necrobacillosis of skin lesions

Answer 14

circumscribed necrotic foci
extended coagulative necrosis & hemolysis

Question 15

histopath of necrobacillosis of skin

Answer 15

spf pseudomembranes

Question 16

uterus lesions in case of necrobacillosis

Answer 16

necrotic metritis
necrosis of mm and muscles
thickening and rigidity of cervix and vagina

Question 17

lung lesions in case of necrobacillosis

Answer 17

necrotic pneumonia
necrotic bronchitis
peribronchitis

Question 18

liver lesions in case of necrobacillosis

Answer 18

in newborns due to naval infection
local necrosis
dissemination of liver

Question 19

main type of actinobacillosis

Answer 19

a. lignieresei

Question 20

infection of actinobacillosis

Answer 20

injuries (teeth, plants)
invasion of deeper tissues

Question 21

how do injuries of oral cavity cause actinobacillosis

Answer 21

lamina propria –> invasion and carried by Lymph

Question 22

alterations due to actinobacillosis

Answer 22

ulceration
multiple abscess
pyogranuloma
fibroma

Question 23

nodules of actinobacillosis

Answer 23

sharply demarcated
yellowish, brown granulation
serous exudate neutrophils from site of infection
yellow pyogranuloma

Question 24

tumour like growths of actinobacillosis

Answer 24

consequence of extreme granulation
soft-greyish yellow tissue
bugling
foci of pus
hard connective tissue capsule

Question 25

abscess of actinobacillosis

Answer 25

capsule, granulation tissue
dense & viscous pus containing sulphur granules

Question 26

sclerotic form of actinobacillosis

Answer 26

diffuse overgrowth of connective tissue
greyish-white firm
scattered foci