Swine Reproductive Diseases Flashcards
how long is the estrous cycle in a sow?
21 days
when can ultrasound be used to diagnose pregnancy in sows?
day 28 onward
if embryos die before mineralization but after nidation, what do you see?
irregular returns to estrus
poor conception rate, reduced litter size
who does porcine parvovirus impact?
gilt litters
what do you see with porcine parvovirus?
mummification
stillborns
lower conception rates
reduced litter sizes
what Leptospirosis spp are specific to swine?
L. pamona
L. bratislava
what does Leptospirosis usually cause with pregnancy?
late pregnancy: miscarriages, stillbirths, weak pigs
how can you diagnose porcine reproductive and respiratory virus?
PCR: sow sera, processing fluids, oral fluids
IHC on fetal lungs
how is PRRS spread?
shedding pigs
aerosol spread
shared manure handling equipment
poorly washed trucks
fomites
