Unit 4 - SVA PED Flashcards
What does ETNL stand for?
Epidemic
Transient
Neonatal losses
How long does ETNL typically last?
4-10 days
How do most ETNL piglets present?
Stomachs full of milk and lethargic
~50% cases have piglet diarrhea
Senecavirus A has been sporadically reported/associated with what type of diseases?
Idiopathic vesicular diseases that causes minor to mild transient vesicular lesions and ETNL
Vesicular disease caused by SVA is associated with ____ morbidity, ____ mortality, a healing/recovery time of ___ weeks, and shedding time of an additional __-__ weeks.
High morbidity
Zero mortality
2 weeks
2-3 weeks
ETNL associated with SVA is associated with ___ morbidity with litters, ____ mortality. They return back to baseline mortality at __-__ days.
High, high, 4-10 days
T/F Piglets with SVA always show clinical signs
False - they can be clinically silent
PEDv cases increase in what season?
In the winter
What is the etiologic agent of PEDv?
An alphacoronavirus clinically similar transmissible gastroenteritis virus (TGEv)
T/F: PEDv has cross-protection with TGEv, but not serological cross-reactivity with TGEv.
False - it has no serological cross-reactivity and no cross-protection
What clinical signs are associated with PEDv?
Anorexia, lethargy, profuse watery diarrhea (malabsorption), vomiting
What ages are affected by PEDv?
All ages - 30-100% mortality in neonates, morbidity in nursery, grower, and finisher swine, and mild morbidity in adult swine
Why are biosecurity measures needed for PEDv outbreaks?
There is high indirect transmission and high regional dissemination
When you get onto a sow farm, what should you wear? What should you do before you leave?
Use disposable boots/coveralls
Disinfect tires
