FinalExamOutline

Question 1

What diseases present pathognomonic lesions and what are they?

Answer 1

Swine: Acute Erysipelas, Diamond shape dermal lesions everywhere in the body
Necrotic Enteritis:

Question 2

Porcine Reproductive and Respiratory Syndrome (PRRS)

Answer 2

Viralinfection: Arteriviridae group
Two phases: 1-Reproductive failure 2-Respiratory disease postweaning
Stillborn, mummified fetuses, weak born piglets as much as 35 %
Anorexia and agalactia: lack of milk production
Piglets might be born viremic: leads to phase 2
Prevention is culling

Question 3

Porcine Parvovirus is similimar to?

Answer 3

PRRS due to mummified fetus and infertility

Prevention is vaccination

Question 4

Leptospirosis Serovars

Answer 4

L. Pamona and L. Bratislava
Pigs maintenance host: L. Bratislava, infertility most common, rarely acute
L. Pamona: can see acute in younger pigs more common, fever, anorexia, hemolytic anemia.

Question 5

Erysipelas Acute/chronic

Answer 5

Pathogen: Streptococcus pyogenes
Acute: mostly seen in grower/finisher pigs, may find pigs dead without previous signs, depressed, febrile, immobile
Chronic: Arthritis
Vegetative endocarditis, valve plaque, embolisms, cardiac insufficiency

Question 6

Swine influenza

Answer 6

Can spread through the herd in 1-3 days
Depression, fever, anorexia, coughing, nasal discharge, dyspnea, weakness. 
Low mortality 1-4%
Loss due to delay in market weight gain
Vaccines available

Question 7

Atrophic Rhinitis

Answer 7

Pasturella multicocida and Bordatella bronchiseptica
Nonprogressive: Just B. bronchiseptica
Progressive: combiantion B. bronchiseptica and P. multicocida

Question 8

Aujesky Disease AKA pseudorabies

Answer 8

Pigs are the only reservoir host

Question 9

Porcine Epidemic Diarrhea

Answer 9

Pigs are the only host