22. Enterotoxemias caused by Clostridium perfringens

Question 1

number of cl. perfringens

Answer 1

5
a, b, c, d, e

Question 2

predisposition to cl. perfringens

Answer 2

decreased gut motility
overeating with carb rich food
imbalance of microbial flora of the gut

Question 3

toxin of cl. perfringens A

Answer 3

alpha

Question 4

toxin of cl. perfringens B

Answer 4

alpha
beta
epsilon

Question 5

toxin of cl. perfringens C

Answer 5

alpha
beta

Question 6

toxin of cl. perfringens D

Answer 6

alpha
epsilon

Question 7

toxin of cl. perfringens E

Answer 7

alpha
I

Question 8

diseases of cl. perfringens A

Answer 8

human gas gangrene
food poisoning
necrotic enteritis of chicken
haemorrhagic necrotic enteritis

Question 9

diseases of cl. perfringens B

Answer 9

lamb dystentry

Question 10

disease of cl. perfringens c

Answer 10

struck
necrotic enteritis of piglets and chicken

Question 11

diseases of cl. perfringens d

Answer 11

enterotoxaemia of sheep and goat

Question 12

diseases of cl. perfringens e

Answer 12

necrotic typhlitis of rabbit
haemorrhagic enteritis of calves

Question 13

clinical signs of cl. perfringens

Answer 13

sudden death
watery, bloody diarrhoea
glucosuria in lambs

Question 14

lesions of cl. perfringens

Answer 14

focal/diffuse congestion of small intestines
petechiae
coagulation necrosis of mucosa
degeneration of other organs

Question 15

cl. perfringens in pig

Answer 15

haemorrhagic/necrotic enteritis

Question 16

cl. perfringens in sheep

Answer 16

overeating disease
pulpy kidney
lamb dystentry

Question 17

cl. perfringens in birds

Answer 17

necrotic and ulcerative enterittis

Question 18

cl. perfringens in dog

Answer 18

acute haemorrhagic gastro enteritis

Question 19

infection of lamb dysentry

Answer 19

suckling from contaminated mammary gland

Question 20

pathology of lamb dysentry

Answer 20

myocardial degeneration

Question 21

pathology of struck

Answer 21

reddish fluid in abdo cavity
haemorrhage & fibrin covered ulcers in small intestine
bleeding under serous membranes

Question 22

age of affected piglets in necrotizing enteritis

Answer 22

1-2week

Question 23

toxins of necrotizing enteritis

Answer 23

alpha
beta

Question 24

localisation of necrotizing enteritis in piglets

Answer 24

middle jejunum

Question 25

peracute necrotizing enteritis

Answer 25

severe haemorrhagic enteritis foamy intesting content

Question 26

subacute necrotizing enteritis

Answer 26

necrosis of mm intestinal wall becomes rigid tube like longitudinal/ transverse mm folding

Question 27

pathogenesis of cl. perfringens D

Answer 27

hypomotility and overgrowth produce epsilon toxin increase intestinal permeability damaging parenchymal organs endothelial injury in brain tubulonephrosis glucouria

Question 28

lethal effects of the toxin of cl. perfringens

Answer 28

myocardial damage, coagulating serum in pericardium bleeding under epicardium focal symmetrical ecephalomalacia sudden kidney autolysis

Question 29

lesions of cl. perfringens

Answer 29

exsiccosis spf necrotising/colitits

Question 30

clinical signs of cl. perfringens

Answer 30

pasty then watery diarrhoea emaciation exsiccosis varying morbidity & mortality

Question 31

clinical signs of cl. difficile

Answer 31

diarrhoea laboured breathing sudden death scrotal oedema

Question 32

pathology of cl. difficile

Answer 32

mesocolon oedema necrotic colitis ascites small intestine not affected