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Animal Science 380 > Swine Diseases > Flashcards

Swine Diseases Flashcards

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1
Q

PRRS and Swine Influenza

A 
Respiratory disease
Nose- nose contact
Cough, fever
Labored breathing, nasal discharge
Snout dis formation 
Dehydration 
Decrease feed and water consumption
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2
Q

APP& glasser’s disease

A 
Respiratory disease
Nose- nose contact
Cough, fever
Labored breathing, nasal discharge
Snout dis formation 
Dehydration 
Decrease feed and water consumption
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3
Q

E. coli and salmonella

A 
Enteric disease
Nose to nose or nose to feces contact
Diarrhea
Dehydration
Vomiting
Lethargic
Decrease water consumption
Off feed
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4
Q

TGE and Swine Dysentery and coccidiosis

A 
Enteric disease
Nose to nose or nose to feces contact
Diarrhea
Dehydration
Vomiting
Lethargic
Decrease water consumption
Off feed
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5
Q

Strep. Suis& erysipelas & PMWS

A 
Systematic disease
Nose to nose contact or through air
Poor condition
Pale skin
Swollen joints
Convulsions
Increases LN
Decrease appetite
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6
Q

Swine pox&greasy pig disease&mange&lice

A 
Skin diseases
Poor condition
Pale skin
Dark color areas skin
Flaking
Decrease appetite
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7
Q

Transmissible gastroenteritis

A

Highly contagious VIRAL disease affecting pigs on all ages
Newborns less than 10
Caused by corona virus

Spread by aerosol, direct fecal contact or fomite
Incubation

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8
Q

Transmissible gastroenteritis:host risk factors

A

Parity
Herd immunity levels
Environmental/management factors (all in all out)

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9
Q

Transmissible gastroenteritis: pathogen risk factors

A

Persists in environment for a few weeks
Survives freezing
Sensitive to light and disinfectants

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10
Q

Transmissible gastroenteritis: immune response

A

Strong antibody response ( IgA in intestinal tract protection)
SIgA (excreted in sows milk and passive immunity for piglets)

Best passive immunity from natural GI infection of the sow

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11
Q

Transmissible gastroenteritis: pathogenesis

A

Nasal secretions and milk-replicates respiratory intestinal tracts

Destroys epithelial cells jejunum and Illium

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12
Q

Transmissible gastroenteritis: clinical signs

A

Vomiting, intense thirst, dehydration
Diarrhea
Pigs less than a year old die
Abortion

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13
Q

Transmissible gastroenteritis: diagnosis

A

Clinical signs
Necropsy
Antibodies of intestinal contents

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14
Q

Transmissible gastroenteritis: treatment and control

A 
No specific treatment
Increase farrowing room temp
Vax
Feed ground up dead to sows
Sanitation

RECOVERED PIGS ARE IMMUNE FOR ONE YEAR

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15
Q

Atrophic Rhinitis & mycoplasmal pneumonia

A 
Respiratory disease
Nose- nose contact
Cough, fever
Labored breathing, nasal discharge
Snout dis formation 
Dehydration 
Decrease feed and water consumption
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16
Q

E. Coli, salmonella, TGE, swine dysentery, coccidiosis

A 
Enteric diseases(spread nose to nose to forced contact)
Diarrhea 
Dehydration
Vomiting 
Off feed
Weird water amounts 
Lethargic
17
Q

Strep. Suis, erysipelas, PMWS

A 
Systematic diseases(nose to nose contact or through air)
Poor condition, pale skin, dark areas on skin, swollen joints,
18
Q

Skin diseases

A

Swine pox
Greasy pig disease
Mange
Lice

Pale skin
Flaking

19
Q

Transmissible gastroenteritis (TGE)

A

HIGHLY contagious a VIRAL disease

Caused by coronavirus
Spread through aerosol, direct fecal oral contact, or fomites
Epidemic: explosive in naive herds–lasts 3-5 weeks
Endemic: partial immunity, contagious introduction of susceptible pigs

20
Q

Transmissible gastroenteritis (TGE): HOST risk factors

A

Parity
Herd immunity levels
Environmental/management factors (continuous flow)

21
Q

Transmissible gastroenteritis (TGE):PATHOGEN risk factors

A

Persists in environments for a few weeks
Survives freezing
Sensitive to light aNd disinfectants

22
Q

Immune response

A

Pigs develop strong antibody response (IgA)
sIgA: excreted in Sows milk_passive immunity
BEST PASSIVE IMMUNITY FROM NATURAL GI INFECTION OF SOW

23
Q

Transmissible gastroenteritis (TGE): clinical signs

A

Vomiting, thirst,
Diarrhea(yellow with bad odor)
Abortion
Subsequent infections not as severe

24
Q

Transmissible gastroenteritis (TGE): diagnosis

A

Clinical signs
Necropsy
Fluorescent antibodies of intestinal contents

25
Q

Transmissible gastroenteritis (TGE): treatment and control

A

NO TREATMENT
Recovering pigs immune for a year

Increased farrowing room temp
Vax
Feed grand up dead to sows
Sanitation and disinfection 
Enhanced immunity from MLV (IgG) reduces disease severity
26
Q

Porcine Epidemic Diarrhea (PED)

A 
Important disease in Europe and Asia
No cross protection between TGE and PED
Maternal antibodies protect piglets 
Immunity is short lived and reinfection can occur (chronic)
Diagnosis: PCR
Prevention:bio security and vax
27
Q

Porcine Reproductive and Respiratory Syndrome (PRRS)

A

Important disease in NA and Europe
VIRAL: caused by artervirus
Spread by close contact and in uterus

28
Q

Porcine Reproductive and Respiratory Syndrome (PRRS): risk factors

A 
Herd level of immunity and general herd health 
Virus strain
Overcrowding
Continuous barn flow
Pregnancy state at time of infection
29
Q

Porcine Reproductive and Respiratory Syndrome (PRRS): signs of repro form

A

Increased stillborns, mummies, abortions and weak piglets
Sows feed decreased which increases pre weaning
Will run through herd in four months

30
Q

Porcine Reproductive and Respiratory Syndrome (PRRS): signs of respiratory form

A

Chronic pneumonia
Decreased weight gains
Blue eared disease
Increased death loss

31
Q

Porcine Reproductive and Respiratory Syndrome (PRRS): diagnosis

A 
Vague Clinical signs
Blood tests
Virus insulation 
Necropsy
No treatment available
32
Q

Porcine Reproductive and Respiratory Syndrome (PRRS): control

A

All in all out segregation
Buy known replacements with retesting during isolation
Disinfecting
Quarantine for 60 days
Vaccinate (MLV when not pregnant) killed & limited cross protection

33
Q

Pseudorabies

A

Mad itch, aujeszkys disease
VIRAL
Pigs are host

Animal Science 380 (11 decks)

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