Multisystemic Pathogens of Nursery Pigs Flashcards
CA of Pseudorabies Virus (PRV) /Aujeszky’s
Suis Herpesvirus 1
sows: 50% SMEDI;
piglets: 100% mortality (CNS signs)
Pseudorabies Virus (PRV) /Aujeszky’s
PRV replication site
oropharynx
PRV in cattle is called
mad itch
what dz: Microscopic:
meningoencephalitis,
ganglioneuritis, perivascular cuffing,
focal gliosis
PRV
TGEv mutated version
Porcine respiratory coronavirus (PRCv)
2 forms of TGE infection:
- epidemic
- endemic
self-limiting type of coronavirus
Porcine Epidemic diarrhea (PED)
what type of coronavirus:
infected pigs develop
antibodies that neutralize TGEv
Porcine respiratory coronavirus (PRCv)
what type of coronavirus: clinical signs Similar to TGE and PED
Porcine Deltacoronavirus (PDCov)
nearly 100% fatal in all ages
African Swine Fever
African Swine Fever is first described in
Kenya (1921)
very stable and persistent in the environment
African Swine Fever virus
what dz: Surviving animals rare; but can become carriers
African Swine Fever
3 other terms for E. coli Infection
Collibacillosis
Edema Disease
White scour
Distended small intestine and colon with yellowish, watery to creamy fluid
E. coli Infection
High susceptibility during feed change,
cold stress, and poor hygiene
E. coli Infection
2 types of coronavirus similar to TGE
Porcine Epidemic diarrhea (PED);
Porcine Deltacoronavirus (PDCov)
type of coronavirus: vomiting and wasting, subclinical; under 3 weeks
Porcine Hemagglutinating
Encephalomyelitis Virus (pHEV)
type of coronavirus: Endemic in both breeders and
Fatteners worldwide
Porcine Hemagglutinating
Encephalomyelitis Virus (pHEV)
2 types of coronavirus: back-feeding is applied
TGE, PED
type of coronavirus: affects respiratory tract
Porcine respiratory coronavirus (PRCv)
