ICVA Swine Production Medicine 2

Question 1

Which pathogen is the primary cause of Porcine Reproductive and Respiratory Syndrome (PRRS)?

Accepted Answer

Arterivirus

Answer

Circovirus type 2

Answer

Influenza A virus

Answer

Pseudorabies virus

Question 2

What is the recommended gilt development program age for first breeding in commercial swine operations?

Accepted Answer

175–210 days

Answer

150–160 days

Answer

220–240 days

Answer

260–280 days

Question 3

Which nutritional deficiency most commonly causes posterior paresis ('downer sow syndrome') in lactating sows?

Accepted Answer

Calcium and phosphorus imbalance

Answer

Vitamin E deficiency

Answer

Selenium deficiency

Answer

Biotin deficiency

Question 4

In swine, Actinobacillus pleuropneumoniae primarily affects which organ system?

Accepted Answer

Respiratory tract

Answer

Gastrointestinal tract

Answer

Urinary tract

Answer

Central nervous system

Question 5

What does the term 'wean-to-service interval' (WSI) measure in swine reproductive management?

Accepted Answer

Days from weaning sows to their next successful mating

Answer

Days from breeding to farrowing

Answer

Days between consecutive farrowings

Answer

Days sows spend in gestation facilities

Question 6

Which mycotoxin most commonly causes hyperestrogenism, vulvovaginitis, and reproductive failure in swine?

Accepted Answer

Zearalenone

Answer

Aflatoxin B1

Answer

Deoxynivalenol (DON)

Answer

Fumonisin B1

Question 7

What is the standard gestation length in swine, often remembered by the '3-3-3' rule?

Accepted Answer

114 days

Answer

111 days

Answer

117 days

Answer

120 days