Swine Diseases

Front 1

Etiological agent(s) of Edema disease

Back 1

E. coli O138
E. coli O139
E. coli O141

Front 2

Etiological agent(s) of Colibacillosis

Back 2

E. coli K88
E. coli K99
E. coli F 41
E. coli 987 P

Front 3

Etiological agent(s) of Rotavirus

Back 3

Rotavirus

Front 4

Etiological agent(s) of Salmonellosis

Back 4

Gram Neg Rod
Salmonella cholerasuis
Salmonella typhimurium
Salmonella typhisuis
Salmonella derby

Front 5

CS:
Sudden and explosive intermittent presentation of weanling piglets with neurological signs, about 10% are affected.

Back 5

Edema dz

Front 6

What's the pathognomic lesion for Edema dz?

Back 6

Renal cortical ischemia & medullary engorgement
Edema of eyelid

Front 7

How would you dx Edema dz?

Back 7

Culture the specific E. coli stains (O138, O139, O141)
Lesions
HX & CS

Front 8

How would you tx Edema dz & what would you tell the farmer to do?

Back 8

You would give the piglets Apralan or Tetracycline
(if not responsive, you'd give Neomycin or Fluoramphenicol -not approved in food animal)
(or BMD -bacitracin, Methylene, Disalicylate -ok in food animal)

Tell farmer to improvemanagement - reduce feed given to piglets to 1 pound per pig per day.
Add alfalfa, oat, or barley

Front 9

Farmer calls, says neonate piglets have watery- yellow diarrhea. Some of the weanlings aren't putting on weight either.
What do you suspect?

Back 9

Colibacillosis

Front 10

You are given several piglets from a local farm for necropsy. Some piglets have no obvious lesions, though they are thin. On some others you note food in the stomach, congestion of small intestine. What do you suspect?

Back 10

Colibacillosis

Front 11

For a farmer with an outbreak of colibacillosis, what do you do and what do you tell him to do?

Back 11

You would treat the whole litter quickly with Gentamycin (ok in neonates) or tetracycline or Apralan.

You tell farmer to improve husbandry by increasing ventilation & temperature, reducing stress & humidity.

Vaccination options
• Kohler/Autogenous Milk vaccine -give to sow to give passive immunity to piglets
•Porcimmune -not a real vaxx -give to piglets
•Porcine Ecolizer -a real vaxx - given to sow 2-4weeks before farrowing

Front 12

DDX for Edema dz

Back 12

Salt poisoning
Pseudo Rabies
Erysipelas
Classical Swine Fever/Hog Cholera

Front 13

DDX for Colibacillosis

Back 13

Rotavirus

Front 14

Pathogenesis for Edema dz

Back 14

Anaphylactic shock -->
Increased vascular permeability & edema of brain and other areas

Front 15

pathogenesis for Colibacillosis

Back 15

LT acts on Adenylcyclase to --> ATP
ATP acts on cAMP
cAMP alters membrane permeability to secrete H2O & Na --> Acidosis & Dehydration

Front 16

Serotypes of Rotavirus

Back 16

A-G
MC: A,B,E,C
MC of MC: A

Front 17

A farmer calls you saying piglets broke with yellow-white diarrhea and are not putting on weight. A few have died. Both pre and post weaned piglets are affected. What do you suspect?

Back 17

Rotavirus

Front 18

A farmer brings you several dead piglets for necropsy. You find the all sections of small intestine to have thin walls and shortened villi and distention of cecum & colon. What do you suspect?

Back 18

Rotavirus

Front 19

What would you do for a farmer who has an out break of Rotavirus, what would you tell him?

Back 19

You would provide supportive treatments. Electrolytes and glucose and start broad spectrum ABX. b12 injection too.

You tell the farmer to fumigate the environment with 10% formalin or disinfect with sodium hydroxide, lye, Chlorine or iodine

Vaccinate with scour shield 7 and 14 d and sow 2-4 weeks before farrowing.

Front 20

A farmer's feeder pigs have respiratory distress, SQ skin hemorrhages, cyanosis, CNS signs and a fever. What do you suspect?

Back 20

Salmonellosis
(1) Acute Septic form

Front 21

You are given several pigs for necropsy. You fine splenomegally, hemorrhages in LN, Necrosis in Cecum and Colon. You note "button ulcers" in intestines. What do you suspect?

Back 21

Salmonellosis

Front 22

What would you do for an outbreak of Salmonellosis, what would you tell the farmer?

Back 22

REPORT IT!

You'd give piglets ABX (furacin, neomycin, carbodox, tramulin, naxcel or tetracycline)

Tell farmer to increase ventilation, maintain strict sanitation (Disinfect with Cl, Iodine or Phenol based solvents)
AIAO
OSEW
Quarentine new pigs 30-60 d
Culture @slaughter
ELISA brook stock


Vaxx for intermediate infection

Front 23

Etio for Swine Dysentery

Back 23

Brachyspira hyodysenteriae

Front 24

List the name changes for Etio of Swine Dysentery

Back 24

1st called: Vibrio
2nd called: Campylobacter
3rd called: Serpulina
4th called: Treponema
Now called: Brachyspira hyodysenteriae

Front 25

What is Brachyspira hyodysenteriae?

Back 25

Etiological agent for Swine dysentery.
It's an Anaerobic Spirochete

Front 26

What are the 3 forms of Salmonellosis & what do you see with each?

Back 26

1) acute septic
-septicemia & respiratory CS
-Cyanosis & CNS
-Fever 106-108
-SQ hemorrhages (ear and abdomen)

2) Chronic enteritis
-don't die, just linger and waste away
-Diarrhea
-Melena

3) Asymptomatic carriers
-no CS
-just shed the bacteria

Front 27

What age does Swine dysentery affect?

Back 27

Grower finishers (8-12 weeks)
Does NOT affect neonates

Front 28

what are the CS of Swine dysentery?

Back 28

Mucopurulent to bloody Diarrhea
(early = frank blood)
(later = tarry)
Gaunt & tucked up
Fever 106-108
Anorexic (1/2 to no feed)

Front 29

What are the lesions of Swine dysentery

Back 29

necrotic inflammation of cecum & colon
yellow to grey diphtheritic surfaces +/- hemorrhage
Large intestine -rice water
Ileocecal demarcation
mesenteric LN -edema and hyperemia

Front 30

A farmer presents you with piglets for necropsy complaining of history of frank blood in feces and poor appetite. You necropsy and find necrotic inflammation of cecum and colon. What do you do and what do you tell the farmer to do?

Back 30

you suspect swine dysentery

You start treatment ASAP
Antibiotics (ie. tylosin, or virginiamycin)
Tell farmer to control traffic/rodents, improve sanitation (use footbaths and proper cleaning agents)
Depopulate
Next time may want to use Hy-Guard vaccine at 8 weeks

Front 31

Etio of TGE

Back 31

Corona virus
(18 hour incubation)

Front 32

What ages is affected by TGE

Back 32

all ages
if less than 2 weeks get 100% mortality

Front 33

What are cs of TGE

Back 33

Explosive outbreak
Vomiting/diarrhea, inappetance
Agalactia

Front 34

Etio of porcine epidemic diarrhea

Back 34

Corona

Front 35

CS of porcine epidemic diarrhea

Back 35

watery diarrhea
~50% morbidity
not usually much of a problem

Front 36

Lesions of Porcine epidemic diarrhea

Back 36

Necrosis of back muscles
dehydration and fluids in small intestine
Atrophy of villi/fused villi

Front 37

Etio of Clostridium

Back 37

Clostridium A & C in pig
Clostridium C & D in cow

A is mild
C = 3 day pig

Alpha toxin = fluid
Beta toxin = cytopathic

Front 38

CS of clostridium

Back 38

Bloody diarrhea
Lots of gas
Sick in hours, dead in 8 "3 day pig"
if no immunity = 100% mortality

Front 39

lesions of clostridium

Back 39

Pseudo membranes in small intestine
intense hemorrhage
serosanguinous fluid
GAS
blood in pleural cavity

Front 40

A farmer presents you with some piglets for necropsy with an acute history of sick with bloody diarrhea, then died. On necropsy you find blood in the pleural cavity, pseudomembranes in small intestine and lots of gas. What do you suspect. What do you do and what do you tell the farmer?

Back 40

You suspect clostridium A & C

You give antibiotics (bacitracin, tyosin)

You tell the farmer it's spread by carriers, fomites and orally.
Next farrowing period he may want to give Bacterin -a toxoid-to the sow before farrowing.

Front 41

Etio of Atrophic Rhinitis

Back 41

Bordetella bronchiseptica with Pasteurella multocida

Front 42

CS of atrophic rhinitis

Back 42

hemorrhage from nose
Twisting nasal bones

Front 43

What are the 3 requirements to get twisted nasal bones

Back 43

Infected with Atrophic rhinitis when less than 3 weeks old

Infected with a virulent strain

Infected for an adequate duration

Front 44

To diagnose atrophic rhinitis, what would you do

Back 44

if < 5 mo -section at 1st premolar
if > 5 mo -section at 2nd premolar

Front 45

What would you do for atrophic rhinitis, what would you tell farmer?

Back 45

You could give Tylosin or Chlortetracycline or sulfathiazole

You could vaxxinate the sow and babies at 1-4 weeks
(ok to give even if not necessarily an issue)

Tell farmer to use different management techniques:
AIAO
Cull and market any with CS
4 point program

Front 46

Etio of Inclusion body rhinitis

Back 46

Herpes

Front 47

What the presenting difference btw Atrophic rhinitis and Inclusion body rhinitis?

Back 47

Atrophic rhinitis presents with bloody nasal discharge

Inclusion body rhinitis often subclinical

Front 48

Etio of Necrotic Rhinitis

Back 48

Speropherous necrophorus

Front 49

Etio of Porcine Respiratory and Reproductive syndrome

Back 49

Arterivirus (related to lelystad virus)

Front 50

CS of PRRS

Back 50

Repro:
low conception
late term abortion
still borns/weak
mumified fetus
"stall out" nursery
Resp:
Diffuse interstitial pneumonia (cough)