Clostridium

Question 0

Morphology

Answer 0

7-10um, rod, all have flagella but perfringens, no capsule, spore can be terminal central or sub terminal.

Question 1

Environment

Answer 1

Soil mud water and gut

Question 2

Staining and culture

Answer 2

Gram positive, nutrient and blood agar

Question 3

Aerobic or anaerobic

Answer 3

Aerotolerant, novyi and tetani aren’t

Question 4

Temperature

Answer 4

15-22 putrefaciens, 40-45 perfringens, 37 optimal

Question 5

Tests?

Answer 5

Catalase negative, oxidase negative, fermentative

Question 6

Disease catagories

Answer 6

Gas gangrenic, enterotoxaemic, intoxication

Question 7

Gas gangrenic diseases

Answer 7

Malignant odema- septicum, novyi, haemolyticum, histolyticum, sordelli.

Black leg- chauvei
Hu gas gangrene- perfringens A and novyi A

Question 8

Intoxication diseases

Answer 8

Tetani and botulinum

Question 9

Enterotoxaemic diseases perfringens A

Answer 9

Necrotic enteritis of chicken,
Hu GG,
necrotising colitis in Su,
Ca haemoragic enterocolitis.

Question 10

Perfringens B

Answer 10

Lamb dysentery

Haemoragic enteritis in calf and foal

Question 11

Perfringens C

Answer 11

Necrotising enteritis in pig and chicken

Sheep struck

Question 12

Perfringens D

Answer 12

Pulpy kidney in sheep

Question 13

Perfringens E

Answer 13

Haemoragic enteritis in calf

Enteritis in rabbit

Question 14

Odd enterotoxaemic species?

Answer 14

Colinium- ulcerative chicken enteritis