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GI/Nutritional Disorders > Pig GI Disease > Flashcards

Pig GI Disease Flashcards

1
Q

Where do pig gastric ulcers occur?

A

Pars esophagea

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2
Q

What are predisposing factors for gastric ulcers?

A

Stress, pneumonia, finely ground feed

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3
Q

What can gastric ulcers lead to when severe?

A

“Bleed out” and anemia

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4
Q

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

A

Colibacillosis (E. coli)

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5
Q

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

A

Clear watery/pasty brown feces, dehydration, depression

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6
Q

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

A

K88, K99, F41, 987

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7
Q

What is the pH of a colibacillosis feces?

A

> 8

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8
Q

What will you see on a colibacillosis necropsy?

A

Dilated gas filled small intestine

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9
Q

How do you treat colibacillosis?

A

Ampicillin, tetracycline, ceftiofur

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10
Q

When do you vaccinate sows for colibacillosis?

A

Pre-farrowing

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11
Q

What causes TGE (transmissable gastroenteritis)?

A

Coronavirus

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12
Q

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

A

Endemic form

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13
Q

What seasonality is assoc. w/TGE?

A

Winter disease

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14
Q

What are clinical signs of TGE in neonates?

A

V+, diarrhea w/undigested milk

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15
Q

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

A

<2wk`

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16
Q

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

A

Endemic TGE

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17
Q

How do you dx TGE?

A

ELISA/IFA of gut contents

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18
Q

What will you find on TGE necropsy?

A

Thin walled, transparent small intestine w/undigested milk

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19
Q

What are TGE carriers?

A

Dogs and birds

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20
Q

Which Clostridial agent causes Clostridial enteritis in piglets?

A

C. perfringens type C

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21
Q

What age of piglets is most affected by Clostridial enteritis?

A

1-2d

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22
Q

What are clinical signs of Clostridial enteritits?

A

Bloody diarrhea, sudden death

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23
Q

What will you find on a Clostridial enteritis necropsy?

A

Blood in jejunum, necrosis of small intestine

24
Q

How do Clostridial agents appear on histopathology?

A

Large gram + rods

25
Q

How do you treat Clostridial enteritis?

A

Usually die too quickly, Type C antitoxin

26
Q

How do you prevent Clostridial enteritis?

A

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

27
Q

What is the coccidiosis agent of piglets?

A

Isospora suis

28
Q

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

A

5d to weaning

29
Q

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

A

Diarrhea, acidic feces, dehydration

30
Q

What seasonality does Isospora suis (coccidiosis) have?

A

Summer d/t humidity

31
Q

How will coccidiosis appear on necropsy?

A

Fibrinonectoric enteritis

32
Q

How do you treat coccidiosis?

A

Amprolium to piglets, Panazuril (off label)

33
Q

What age of pigs are affected by rotavirus?

A

All ages

34
Q

What age of pigs does rotavirus cause diarrhea?

A

Post-weaned pigs

35
Q

How do you dx rotavirus in a pig?

A

Histo, fluorescent antibody test, electron microscopy

36
Q

How do you treat rotavirus in pigs?

A

Glucose and fluids and abx for concurrent infections

37
Q

How do you prevent/control rotavirus?

A

Wean pigs on good nutritional diet, limited availability vax

38
Q

What are the species of Salmonella that affect pigs?

A

S. typhimurium/choleraesuis

39
Q

How will a Salmonella enteritis present on necropsy?

A

Fibrinonecrotic enteritis or colitis

40
Q

What disease causes rectal strictures in pigs?

A

Salmonella

41
Q

What is the causative agent of swine dysentery?

A

Brachyspira hyodysenteriae

42
Q

What age of pigs is affected by swine dysentery?

A

Growers/finishers

43
Q

What are clinical signs of swine dysentery?

A

Watery, bloody, mucoid diarrhea

44
Q

How do you treat swine dysentery?

A

Lincomycin

45
Q

How will swine dysentery present on necropsy?

A

Mucohemorrhagic colitis

46
Q

What causes proliferative enteropathy?

A

Lawsonia intracellularis

47
Q

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

A

Weanlings and older

48
Q

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

A

Intermittent D= that can be hemorrhagic, anemia

49
Q

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

A

“Garden hose” ileum and colon

50
Q

How can you diagnose L. intracellularis with histo?

A

Intracellular organism, silver positive

51
Q

How do you treat L. intracellularis?

A

Tylosin, vaccinate in water, tetracycline in feed

52
Q

What is the whipworm of pigs?

A

Trichuris suis

53
Q

What age of pigs are affected by Trichuris suis?

A

2-6mo

54
Q

Where in the GIT do Trichuris suis live?

A

Lg intestine, esp cecum

55
Q

How do you treat Trichuris suis?

A

Fenbendazole

56
Q

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

A

Vit A deficiency

57
Q

What can Vit A deficiency lead to?

A

Middle ear infections, embryonic mortality or congenital defects

GI/Nutritional Disorders (29 decks)

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