Pig GI Disease

Question 1

Where do pig gastric ulcers occur?

Answer 1

Pars esophagea

Question 2

What are predisposing factors for gastric ulcers?

Answer 2

Stress, pneumonia, finely ground feed

Question 3

What can gastric ulcers lead to when severe?

Answer 3

“Bleed out” and anemia

Question 4

What is the most common cause of diarrhea in piglets <5d old?

Answer 4

Colibacillosis (E. coli)

Question 5

What are clinical signs of colibacillosis (E. coli)?

Answer 5

Clear watery/pasty brown feces, dehydration, depression

Question 6

What are the 4 E. coli strains that cause enteritis in piglets?

Answer 6

K88, K99, F41, 987

Question 7

What is the pH of a colibacillosis feces?

Answer 7

> 8

Question 8

What will you see on a colibacillosis necropsy?

Answer 8

Dilated gas filled small intestine

Question 9

How do you treat colibacillosis?

Answer 9

Ampicillin, tetracycline, ceftiofur

Question 10

When do you vaccinate sows for colibacillosis?

Answer 10

Pre-farrowing

Question 11

What causes TGE (transmissable gastroenteritis)?

Answer 11

Coronavirus

Question 12

Which form of TGE affects pigs 1-8wk of age?

Answer 12

Endemic form

Question 13

What seasonality is assoc. w/TGE?

Answer 13

Winter disease

Question 14

What are clinical signs of TGE in neonates?

Answer 14

V+, diarrhea w/undigested milk

Question 15

Morbidity and mortality assoc. w/TGE are highest in what age of pigs?

Answer 15

<2wk`

Question 16

Chronic low grade scours in nursery pigs are a sign of what disease?

Answer 16

Endemic TGE

Question 17

How do you dx TGE?

Answer 17

ELISA/IFA of gut contents

Question 18

What will you find on TGE necropsy?

Answer 18

Thin walled, transparent small intestine w/undigested milk

Question 19

What are TGE carriers?

Answer 19

Dogs and birds

Question 20

Which Clostridial agent causes Clostridial enteritis in piglets?

Answer 20

C. perfringens type C

Question 21

What age of piglets is most affected by Clostridial enteritis?

Answer 21

1-2d

Question 22

What are clinical signs of Clostridial enteritits?

Answer 22

Bloody diarrhea, sudden death

Question 23

What will you find on a Clostridial enteritis necropsy?

Answer 23

Blood in jejunum, necrosis of small intestine

Question 24

How do Clostridial agents appear on histopathology?

Answer 24

Large gram + rods

Question 25

How do you treat Clostridial enteritis?

Answer 25

Usually die too quickly, Type C antitoxin

Question 26

How do you prevent Clostridial enteritis?

Answer 26

Vax sow pre-farrowing, prophylactic bacitracin/penicillin to piglets

Question 27

What is the coccidiosis agent of piglets?

Answer 27

Isospora suis

Question 28

What age of piglets is usually affected by Isospora suis (coccidiosis)?

Answer 28

5d to weaning

Question 29

What are clinical signs of Isospora suis (coccidiosis) in piglets?

Answer 29

Diarrhea, acidic feces, dehydration

Question 30

What seasonality does Isospora suis (coccidiosis) have?

Answer 30

Summer d/t humidity

Question 31

How will coccidiosis appear on necropsy?

Answer 31

Fibrinonectoric enteritis

Question 32

How do you treat coccidiosis?

Answer 32

Amprolium to piglets, Panazuril (off label)

Question 33

What age of pigs are affected by rotavirus?

Answer 33

All ages

Question 34

What age of pigs does rotavirus cause diarrhea?

Answer 34

Post-weaned pigs

Question 35

How do you dx rotavirus in a pig?

Answer 35

Histo, fluorescent antibody test, electron microscopy

Question 36

How do you treat rotavirus in pigs?

Answer 36

Glucose and fluids and abx for concurrent infections

Question 37

How do you prevent/control rotavirus?

Answer 37

Wean pigs on good nutritional diet, limited availability vax

Question 38

What are the species of Salmonella that affect pigs?

Answer 38

S. typhimurium/choleraesuis

Question 39

How will a Salmonella enteritis present on necropsy?

Answer 39

Fibrinonecrotic enteritis or colitis

Question 40

What disease causes rectal strictures in pigs?

Answer 40

Salmonella

Question 41

What is the causative agent of swine dysentery?

Answer 41

Brachyspira hyodysenteriae

Question 42

What age of pigs is affected by swine dysentery?

Answer 42

Growers/finishers

Question 43

What are clinical signs of swine dysentery?

Answer 43

Watery, bloody, mucoid diarrhea

Question 44

How do you treat swine dysentery?

Answer 44

Lincomycin

Question 45

How will swine dysentery present on necropsy?

Answer 45

Mucohemorrhagic colitis

Question 46

What causes proliferative enteropathy?

Answer 46

Lawsonia intracellularis

Question 47

What age of pigs are affected by L. intracellularis (proliferative enteropathy)?

Answer 47

Weanlings and older

Question 48

What are clinical signs of L. intracellularis (proliferative enteropathy)?

Answer 48

Intermittent D= that can be hemorrhagic, anemia

Question 49

What is a pathognomonic sign of chronic proliferative enteropathy (L. intracellularis)?

Answer 49

"Garden hose" ileum and colon

Question 50

How can you diagnose L. intracellularis with histo?

Answer 50

Intracellular organism, silver positive

Question 51

How do you treat L. intracellularis?

Answer 51

Tylosin, vaccinate in water, tetracycline in feed

Question 52

What is the whipworm of pigs?

Answer 52

Trichuris suis

Question 53

What age of pigs are affected by Trichuris suis?

Answer 53

2-6mo

Question 54

Where in the GIT do Trichuris suis live?

Answer 54

Lg intestine, esp cecum

Question 55

How do you treat Trichuris suis?

Answer 55

Fenbendazole

Question 56

Which vitamin deficiency causes a head tilt, incoordination, and weak rear limbs in pigs with normal vitals?

Answer 56

Vit A deficiency

Question 57

What can Vit A deficiency lead to?

Answer 57

Middle ear infections, embryonic mortality or congenital defects