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ZUKU NAVLE PREP > Porcine Top Diarrhea - Part 1 > Flashcards

Porcine Top Diarrhea - Part 1 Flashcards

1
Q

what are the 6 most common causes of diarrhea in neonatal pigs that are 0-3 weeks in age?

A

clostridium perfringens type c, clostridium perfringens type a, e coli, rotavirus, clostrioides difficle, & coccidiosis

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2
Q

T/F: when treating neonatal pigs for diarrhea, antimicrobials may work but prevention is more effective

A

TRUE

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3
Q

what vaccines are available for neonatal diarrhea causes in piglets?

A

vaccines available for clostridium perfringens type c, e. coli, & rotavirus

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4
Q

how can you boost immunity in sows & gilts when they arrive at the farm & before farrowing?

A

expose them to the farrowing room feces when they arrive & before they farrow

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5
Q

what three diseases have an age of onset of 0-3 days of age in diarrhea in piglets?

A

clostridium perfringens type c, clostridium perfringens type a, & e. coli

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6
Q

what gross lesions are seen on necropsy in piglets with clostridium perfringens type c?

A

hemorrhagic small intestines

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7
Q

what gross lesions are seen on necropsy in piglets with clostridium perfringens type a?

A

flaccid, thin walled gas-filled small intestines

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8
Q

what gross lesions are seen on necropsy in piglets with e coli?

A

dilated small intestine + congestion of wall

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9
Q

what microscopic lesions are seen on necropsy in piglets with clostridium perfringens type c?

A

necrotic crypt epithelium

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10
Q

what microscopic lesions are seen on necropsy in piglets with clostridium perfringens type a?

A

villous type necrosis

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11
Q

what microscopic lesions are seen on necropsy in piglets with e coli?

A

mild villous atrophy

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12
Q

what does the diarrhea look like in piglets affected by clostridium perfringens type c?

A

bloody

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13
Q

what does the diarrhea look like in piglets affected by clostridium perfringens type a?

A

creamy to watery, yellow or white

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14
Q

what does the diarrhea look like in piglets affected by e coli?

A

clear to creamy, white to brown, mild to profuse, & alkaline pH

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15
Q

what is the age of onset of rotavirus in piglets?

A

0-20 days

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16
Q

what is the age of onset of clostridioides difficile in piglets?

A

0-7 days

17
Q

what is the age of onset of isospora suis (coccidiosis) in piglets?

A

7-11 days

18
Q

what does the diarrhea look like in piglets affected by rotavirus?

A

watery to creamy, yellow to white, & acidic pH

19
Q

what does the diarrhea look like in piglets affected by clostridioides difficile?

A

yellow & watery

20
Q

what gross lesions are seen on necropsy in piglets with rotavirus?

A

thin walled, flaccid small intestines

21
Q

what gross lesions are seen on necropsy in piglets with clostridioides difficile?

A

mesocolonic edema, large intestine contains watery content

22
Q

what microscopic lesions are seen on necropsy in piglets with rotavirus?

A

villous blunting & atrophy

23
Q

what microscopic lesions are seen on necropsy in piglets with clostridioides difficile?

A

focal suppuration in the colonic lamina propria

24
Q

what is split suckling?

A

only allowing half of the litter to nurse at a time to ensure you are maximizing colostrum intake

25
Q

when are piglets usually weaned? what is the risk at this time?

A

weaned around 3 weeks of age - stressful time for pigs when transitioning diets, can predispose them to gi disease

26
Q

what is the agent that causes post-weaning diarrhea?

A

enterotoxigenic e coli - must have one or more toxins that cause severe secretory diarrhea & must have an adhesin for attachment to cause diarrhea

27
Q

what are the two adhesins involved in post-weaning diarrhea? what do they cause?

A

F18: associated with edema disease, severe profuse watery diarrhea with neurologic signs, & sudden death & K88: post-weaning diarrhea, mild to moderate diarrhea, dehydration, & lethargy

28
Q

how is post-weaning diarrhea treated?

A

antimicrobials in the water can help, but prevention is more effective - preventative measures include piglet vaccines & improved hygiene (clean & dry nursery rooms)

29
Q

what adhesin is associated with causing edema disease in piglets?

A

F18

30
Q

what gross lesions are seen on necropsy in piglets with edema disease?

A

edema in ALL BODY TISSUES

31
Q

what gross lesions are seen on necropsy in piglets with post-weaning diarrhea?

A

dilated small intestines

32
Q

what should the temperature under heat lambs be for neonatal piglets?

A

95°F

ZUKU NAVLE PREP (178 decks)

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