Porcine Viral Diseases Flashcards
1
Q
What is the difference in timing between the rotavirus and coronavirus causes of diarrhea?
A
Rotavirus impacts less phases than coronavirus.
Rotavirus only impacts suckling pigs and weaners.
1
Q
What are potential causes for porcine diarrhea?
A
- Rotavirus
- Transmissible gastroenteritis virus (TGEV, coronavirus)
- Porcine epidemic diarrhea virus (PEDV, coronavirus)
- Delta coronavirus (SDCV)
2
Q
What histological changes happen with swine viral enteritis?
A
Stunted villi
3
Q
What is the tropism for the viruses that cause swine enteritis?
A
Mature enterocytes (tip of villus)
4
Q
Describe the timing of rotavirus infection.
A
Appears in waves, normally in the second half of lactation
5
Q
Sudden outbreaks of acute diarrhea with high mortality in many litters suggests…
A
TGE, PED, or delta coronavirus associated diarrhea
6
Q
Can TGEV, PEDV, and delta coronavirus be differentiated based on clinical signs?
A
Nope
7
Q
A
