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LA Pathology > Pigs > Flashcards

Pigs Flashcards

1
Q
A

Vegetative Endocarditis

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2
Q
A

Multifocal myocardial hemorrhage & necrosis

DDX: Vit E/Se deficiency aka Mulberry heart disease

DDX: EMCV, fetus/neonates (PPV, PRRSV, PCV2), Foot & mouth, Gossypol

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3
Q
A

Esophageal ulceration

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4
Q
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Gongylonema

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5
Q
A

Trichinella spiralis on tongue

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6
Q
A

Ascaris suis in lumen of intestine

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7
Q
A

Milk spot liver

Ascaris suum

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8
Q
A

Cysticercus cellulosae

Tapeworm adult= Taenia solium

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9
Q
A

Atresia coli/ani

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10
Q
A

Rectal stricture

DX: salmonella, wounds, vascular injury

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11
Q
A

Rectal prolapse

Trauma, tail docking, increased GI motility

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12
Q
A

Scrotal hernia

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13
Q
A

Ovarian follicular cysts

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14
Q
A

Estrogenic Mycotoxins

Zeralenone (Fusarium roseum**)

Moldy Corn

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15
Q
A

Parvovirus (SMEDI) on right= different sizes

PRRS (Porcine Respiratory & Reproductive Syndrome) on left = same size

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16
Q
A

Rickets

Ca/P imbalance

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17
Q
A

Porcine Stress Syndrome= MALIGNANT HYPERTHERMIA

muscle appears cooked (pale pink, moist, swollen)

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18
Q

A pig is showing CNS signs after its water was frozen for 24 hours. Likely DX? DDX?

A

DX: Salt toxicity

DDX: streptococcus, pseudorabies, edema disease

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19
Q

A pig is dead and its MM are cherry red

A

CO poisoning

20
Q

What is often the toxic gas in fecal pits?

A

Hydrogen sulfide

21
Q

Young, rapidly growing pig with good BCS

A

Acute hepatic necrosis

Dietary def (protein, Vit E/Se)

22
Q

A pig presents with polyarthritis

A

Hemophilus parasuis

23
Q
A

Fibrinous Polyserositis

Suckling pigs: Strep suis, E.coli sporadic

Weaned pigs: H.parasuis, Strep suis, mycoplasma hyorhinis

meningitis with all three

CNS clinical disease w/ Strep suis

24
Q
A

Suppurative meningitis

DDX: H.parasuis, Strep suis, mycoplasma hyorhinis

25
Q
A

Erysipelothrix rhusiopathiae

26
Q
A

DDX:

Erysipelothrix rhusiopathiae

Ergot toxin and frost bite and African swine fever can look similar

27
Q
A

Chronic proliferative synovitis/fibrinous periarthritis

Erysipelothrix rhusiopathiae

28
Q
A

necrohemorrhagic pneumonia (multifocal, random= hematogenous)

Actinobacillus suis

29
Q
A

Trueperella pyogenes

30
Q
A

Trueperella pyogenes

31
Q
A

Porcine Dermatitis & Nephropathy Syndrome (PDNS)

DDX: Erysipelothrix rhusiopathiae in grower pigs

32
Q
A

Interstitial pneumonia

Porcine Reproductive & Respiratory Syndrome Virus (PRRSV)

33
Q

Tissue from a L.N.

A

Post weaning Multisystemic Wasting Syndrome (PMWS)

Porcine circovirus 2

34
Q

DDX for intestinal diarrhea w/o blood?

A

Colibacillosis
Clostridium perfringens type A
Coccidiosis
Viral enteritis
Proliferative enteritis (except PHE)
Whipworms
Intestinal spirochetosis

35
Q

DDX diarrhea in pig with blood

A

Clostridium perfringens type C
Salmonellosis
Proliferative enteritis – hemorrhagic enteritis
Swine dysentery
Whipworms

36
Q
A

Edema Disease

ETEC + Shigella TOXIN (angiotoxin)

37
Q
A

Necrohemorrhagic enteritis

C. perfringens type C (toxin a,b)

38
Q

DDX for mesocolon edema

A

C. perfringens, C. difficile, ETEC + shigella toxin

39
Q
A

Fibrinonecrotic ileocolitis

Acute salmonellosis

40
Q
A

fibrinonecrotic pseudomembranes enteritis

Coccidiosis

41
Q

DDX for atrophic enteritis

A

TGE (coronavirus)

Rotavirus

Coccidiosis

Less likely: chlamydiophila, adenovirus, astrovirus, parvovirus

42
Q

yellow watery diarrhea

A

Rotavirus

E.coli

43
Q

Enteritic disease target villous epithelium

A

E.coli

crypto

Coccidia

TGE (coronavirus)

Rotavirus

44
Q
A

Proliferative enteritis

Lawsonia intracellularis

45
Q

False brush border

A

Brachyspira (serpulina)

Strongly β hemolytic - B. hyodysenteriae (swine

dysentery)

We a k l y β-hemolytic – B. pilosicoli (intestinal spirochetosis)

46
Q

Suckling pig w/ CNS signs

A

Pseudorabies (PHV-1)

LA Pathology (4 decks)

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