Porcine Flashcards
4%
Gestation length in sows
115 days (4 months)
What diseases does porcine circovirus cause?
PMWS, porcine dermatitis and nephropathy syndrome, repro dz, porcine respiratory disease complex
What is morbidity and mortality for PMWS?
10% morbidity, 75% mortality
When can enterotoxigenic e. coli cause secretory diarrhea in piglets?
less than 5 days old and 4 days after weaning
What type of e. coli causes edema disease?
shigatoxin varient 2e
What part of the intestine is most affected by clostridium perfringens type c enteritis in piglets?
jejunem - hemorrhage
What kind of diarrhea is caused by TGE?
malabsorption diarrhea
What age of pigs get coccidiosis diarrhea?
7-14 days old
What are the two types of strep suid type D in piglets?
type 1(septicemia) - 10 -21 days type 2(joints, brain) - weaned pigs and growers
What is the leading cause of meningitis in pigs?
strep suis
What bacteria causes glassers disease?
haemophilus parasuis - polyserositis and arthritis
What 3 bacteria cause athritis and polyserositis in pigs?
Haemophilus parasuis, mycoplasma hyorhinis, mycoplasma hyosynoviae
What bacteria causes swine dysentery?
brachyspira hyodysenteriae
Which bacteria can cause rectal strictures by causing thrombosis of the cranial hemorrhoidal artery?
salmonella
What bacteria causes button ulcers of the colon?
salmonella typhimurium
What age of pigs get exudative epidermitis?
10-21 days
What is the pathognomic finding of sodium ion toxicosis in pigs?
eosinophilic perivascular cuffing of vessels of cerbral cortex and meninges
What parasite causes formation of nodules in intestinal wall of pigs?
oesophagostomum spp
What are the lungworms found in pigs?
metastrongylus
What can fumonisin toxin cause in pigs?
porcine lung edema and hydrothorax
What are the major causes of diarrhea in 1-3 day old piglets?
Clostridium perfringens
clostridium difficile
E. coli
What neonatal pig diarrhea results from antibiotic treatment at birth?
clostridium difficile diarrhea
What different types of clostridium perfringens are associated with low mortality and high mortality?
low - type A
high - type C
What age do piglets get diarrhea from coccidia?
5 to 7 days (other says 7-14 days)
What age does rotavirus affect most in neonatal pigs?
1-3 weeks
What age does salmonella usually affect pigs?
any age but usually 2-3 months
What are the main causes of diarrhea in older than 2-3 months?
ascaris suum (roundworms) salmonella Trichuris suis (whipworms) Brachyspira hyodysenteriae lawsonia intracellularis
What are the two bacteria involved in atrophic rhinitis?
bordetella and pasteurella
What two diseases cause necrotizing tonsilitis in swine?
pseudorabies and classical swine fever
