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Flashcards in Small Ruminant Bacterial Diseases Deck (47)
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1

What is the causative agent of foot rot?

Dichelobacter (bacteroides) nodosus

2

This breed of sheep is most susceptible to foot rot

Merino sheep

3

When trying to eradicate foot rot, you must remember that

the bacteria can survive in the environment for up to

______ weeks

2

4

A flock of merino sheep presents with lameness and is seen

grazing on their knees. Upon inspection,

you notice swelling and moistness of the interdigital cleft.

What is the condition and causative agent?

Foot Rot- Dichelobacter (bacteroides) nodosus

5

How is Foot Rot- Dichelobacter (bacteroides) nodosus

treated?

FOOT BATHING for 60 minutes Q5days in

2% Zinc Sulfate, 2% Sodium Laurel Sulfate

+

Parenteral ABx: Procaine Penicillin or Oxytetracycline

6

What is the etiology of caseous lymphadenitis?

Corynebacterium pseudotuberculosis

7

How is caseous lymphadenitis (Corynebacterium pseudotuberculosis)

spread?

Via contact with a draining abscess

8

Sheep with caseous lymphadenitis

(Corynebacterium pseudotuberculosis)

usually have ________ abscesses,

in the mediastinum or abdomen.

Sheep- INTERNAL abscesses

9

Goats with caseous lymphadenitis

(Corynebacterium pseudotuberculosis)

usually have ________ abscesses,

around their head and neck

Goats- EXTERNAL lymph node abscesses

10

How is caseous lymphadenitis (Corynebacterium pseudotuberculosis)

treated?

IT'S NOT!

You must CULL all infected animals

11

What is the causative agent of sheep and goat pinkeye?

Mycoplasma chlamydia

12

Pink eye (Mycoplasma chlamydia) is associated with

secondary infections with this

Branhamella (Moraxella) ovis

13

What are the risk factors for Pink eye (Mycoplasma chlamydia)?

 

Warm summer months

Long grass, flies

Recent introduction of new animals from sale barn

14

How is Pink eye (Mycoplasma chlamydia) treated?

Oxytetracycline - ointment or injectable(better systemic)

+

Flunixin

15

T/F:

Treatment of Pink eye (Mycoplasma chlamydia)

may prolong recovery and lead to quicker reinfection

TRUE!

(But tx anyway because condition is so painful)

16

T/F:

Pink eye (Mycoplasma chlamydia) cannot be transmitted to humans.

FALSE!

It is Zoonotic

17

Clostridium perfringens Type _____

affects lambs less than 3 weeks old

and occurs in crowded, dirty environments.

B

18

Clostridium perfringens Type _____

causes STRUCK in adult sheep on pasture.

C

19

Clostridium perfringens Type C causes

localized enterotoxemia of the small intestine

in adult sheep. This is commonly known as

STRUCK

20

Clostridium perfringens Type _____

causes hemorrhagic enterotoxemia in

young lambs and kids less than 1 week old

C

21

Pulpy Kidney is associated with Clostridium perfringens Type _____

D

22

Clostridium perfringens Type D

is most common in 

lambs _______ weeks old

3 - 10 weeks

23

This type of Clostridium perfringens

usually affects the animals with the BEST body condition

that are growing most rapidly

Type D

24

The finding of glucosuria in a moribund 6 week old lamb

with very good BCS would be presumptive evidence of

Enterotoxemia caused by

Clostridium perfringens Type D

25

An inflammatory disease in the abomasal lining of sheep caused by the bacterium Clostridium septicum 

Braxy

26

Braxy, caused by this type of clostridium is most common in

lambs 4 - 10 weeks old

OR

6 - 12 months old

Clostridium septicum

27

Braxy, caused by Clostridium septicum is most common in

lambs _____ weeks old

OR

_____ months old

Braxy, caused Clostridium septicum is most common in

lambs 4 - 10 weeks old

OR

6 - 12 months old

28

Eating frosted forage is a risk factor for

clostridium ______ induced abomasal inflammatory disease

septicum

29

What is the causative agent of "Black Disease"

Clostridium NOVYI

30

What is the causative agent of "Black Leg"?

Clostridium CHAUVEOI