Porcine Parasites

Question 1

Pig Ascarid or Pig Roundworm

Answer 1

Ascaris suum

Question 2

What’s the most important parasite of pigs WW

Answer 2

Ascaris suum

Question 3

Habitat of Ascaris suu

Answer 3

Small intestine of swine

Question 4

Patho of Ascaris suu

Answer 4

Milk spots on liver (lesions)

“Thumps” cough

Question 5

Dx Ascaris suu

Answer 5

Necropsy=find worms in small intestine

Find nonembryonated eggs in poo

Question 6

Strongylus worm of pigs

Answer 6

Strongyloides ransomi

Question 7

Transmission of Strongyloides ransomi

Answer 7

Transplacental and transcolostral

Question 8

“Trichina worm” of pigs

Answer 8

Trichinella spiralis

Question 9

Where does Trichinella spiralis encapsulate?

Where is it highly infective?

Answer 9

Muscle

Rats and pigs

Question 10

Habitat of Trichinella spiralis

Answer 10

Adults=small intestine of pig, man, rat, other mammals

Larvae=striated muscle

Question 11

T/F Hosts can be intermediate and definitive host for Trichnella spiralis

Answer 11

T

Question 12

Patho in humans for Trichinella spiralis

Answer 12

“Splinter” hemorrhages beneath fingernail

Circumorbital edema

Question 13

Dx of Trichinella spirals

Answer 13

Muscle biopsy w/L

ELISA test or agglutination test

Question 14

How to avoid getting Trichnella spiralis

Answer 14

Don’t eat raw or undercooked meats= 137 F

Freeze meat below 5 degrees for 25 days or longer

Microwaving is ineffective

Prevent feeding of raw garbage to swine