ICVA Small Ruminant Herd Health 2

Question 1

Which internal parasite is most commonly associated with 'bottle jaw' (submandibular edema) in sheep and goats?

Accepted Answer

Haemonchus contortus

Answer

Haemonchus contortus is a blood-sucking abomasal nematode that causes hypoproteinemia and subsequent submandibular edema known as 'bottle jaw.'

Question 2

The FAMACHA scoring system in small ruminants is used to assess which clinical parameter?

Accepted Answer

Conjunctival mucous membrane color

Answer

FAMACHA evaluates the color of the ocular conjunctival mucous membranes to estimate anemia caused primarily by Haemonchus contortus infestation.

Question 3

Caseous lymphadenitis (CLA) in small ruminants is caused by which organism?

Accepted Answer

Corynebacterium pseudotuberculosis

Answer

Corynebacterium pseudotuberculosis causes CLA, characterized by abscess formation in superficial lymph nodes and internal organs of sheep and goats.

Question 4

Which vitamin deficiency in young small ruminants leads to 'white muscle disease' (nutritional myodegeneration)?

Accepted Answer

Vitamin E and selenium

Answer

Deficiency of vitamin E and/or selenium causes white muscle disease, a degenerative myopathy affecting cardiac and skeletal muscles in young lambs and kids.

Question 5

What is the primary transmission route of Maedi-Visna virus (ovine progressive pneumonia) in sheep?

Accepted Answer

Close respiratory contact and colostrum/milk

Answer

Maedi-Visna is a lentivirus transmitted mainly through close respiratory contact and ingestion of infected colostrum or milk from dam to offspring.

(ICVA) International Council for Veterinary Assessment Practice Test

(ICVA) International Council for Veterinary Assessment Practice Test

ICVA Small Ruminant Herd Health 2