Swine

Question 1

Clostridium enteritis

Answer 1

C. perfringens type A & C

1-7 day old piglets

Dark red sI w/ hemorrhage, sudden death, sudden onset of watery + bloody diarrhea, slow spread after new intros, blood in jejunum w/ flecks of mucosa or necrosis of SI

high mortality if Type C

Question 2

Clostridium difficile

Answer 2

1-2 day old piglets

pasty yellow to watery diarrhea

Question 3

Enteric colibacillosis

Answer 3

1-14 day old piglets

dirty damp env, poor mngt, low temps

watery, odorous diarrhea

tail necrosis

dilated gas filled SI

tx: oral fluids + ambs (tetracyclin, ampicillin, gentamicin)

Question 4

Coccidia

Answer 4

Iospora suis

5-15 day old piglets

smelly, yellow-white diarrhea - NO BLOOD

dehydration

summer

tx - sulfamethazine, ponazuril, amprolium

Question 5

Rotavirus

Answer 5

reovirus

all ages

grey pasty feces with undigested feed

diarhea in post-weaned pigs

Question 6

transmissible gastroenteritis

Answer 6

coronavirus

+/- vomiting

diarrhea w/ undigested milk

thin-walled transparent SI

winter dz

Question 7

Asccarius suum

Answer 7

round worm

intestinal obstruction - migrate to liver

white spots on liver

pulmonary signs (pneumonia)

abdominal breathing (thumps)

Question 8

Trichuris suis

Answer 8

whip worm

older pigs (3m+)

large intestine - cecum, colon

hemorrhagic or mucoid diarrhea

anemic

fibrinonecrotic clitis

double-peculate eggs in feces

Question 9

Salmonella

Answer 9

S. choleraesuis, S. typhimurium (zoonotic)

any age

young - genralized septicemia

renal strictures

fibrinonecrotic enteritis or colitis

no blood in feces - watery +/- flecks of necrotic debris

Question 10

Proliferative enteritis/ileitis

Answer 10

lawsonia intracellularis

> 25kg

clotted blood in SI & LI

intermittent diarrhea

anemia

yellow fibrinonecrotic casts

thickening of intestinal mucosa “garden hose ilius” (not always grossly visible)

tx - tylosin, tiamulin