Weaner pigs

Question 1

What pathogen causes a sudden onset of watery diarrhoea one week post-weaning, and can be managed with antibiotics, hygiene, vaccination, zinc oxide in feed and water acidification?

Answer 1

E. coli

Salmonella

Question 2

What antimicrobials can be used to treat E. coli in pigs?

Answer 2

Neomycin, aparamycin, spectinomycin

Aminoglycosides

Question 3

Which 2 pathogens cause scour in weaning pigs, and can be treated/managed with water acidification (amongst ABs, hygiene, zinc in feed)?

Answer 3

E. coli

Salmonella typhimurium

Question 4

Bacterial meningitis may be caused by E. coli, Strep suis or Haemophilus parasuis. It tends to affect piglets following docking/clipping, or how long after weaning?

Answer 4

2-4 weeks post-weaning

Question 5

How is bacterial meningitis treated in weaner pigs?

Answer 5

Penicillin or florfenicol
NSAID
(Or steroids to reduce brain swelling)
Water per rectum

Question 6

Middle ear disease is associated with which two conditions?

Answer 6

Swine Influenza

PRRS

Question 7

Oedema disease in pigs is caused by which pathogen?

Answer 7

E. coli

Due to shiga toxins

Question 8

Oedema disease affects which parts of the body? When does it occur?

Answer 8

Brain, omentum, gastric mucosa, peritoneum, eyelids, larynx (high pitched squeal)
Within months of weaning (Due to shiga-toxins from E. coli)

Question 9

What causes a sudden onset of nervous disease in multiple pigs, with severe depression in the grower/finisher stage? It has a high mortality rate

Answer 9

Salt poisoning/water deprivation

Question 10

How is salt poisoning/water deprivation in pigs treated?

Answer 10

IV drips - but do NOT rapidly rehydrate - makes brain swelling worse
Steroids - reduces brain swelling

Question 11

What is the treatment for swine influenza (H1/N1)?

Answer 11

Individual or group NSAIDs

Only use ABs if secondary infection

Question 12

How is swine influenza prevented?

Answer 12

Vaccine

Biosecurity

Question 13

What virus causes Post-Weaning Multisystemic Syndrome (PWMS)?

Answer 13

Porcine circovirus 2

Question 14

What condition causes a rapid loss of condition at 7 weeks of age, generalised lymphadenopathy, immunosuppression and secondary infections? It is rarely seen anymore due to a very effective vaccine

Answer 14

Post-weaning multisystemic syndrome

porcine circovirus 2

Question 15

What pathogen causes progressive atrophic rhinitis in pigs?

Answer 15

Pasteurella multocida type D

Question 16

Progressive atrophic rhinitis (P. multocida type D) is most often found in backyard pigs. How is it controlled?

Answer 16

Vaccination

Question 17

How is dermatophytosis/ringworm treated?

Answer 17

UV light

Question 18

What pathogen causes ear tip necrosis?

Answer 18

Staphylococcus

Question 19

Ear tip necrosis (Staph spp) causes bilateral and dry ear tips. It affects pigs of which age? What is the biggest risk factor?

Answer 19

7-12 weeks old

Humidity

Question 20

What pathogen causes Greasy Skin disease?

Answer 20

Staphyloccus hyicus

Skin commensal - disease due to immunosuprpression, humidity, fighting

Question 21

Is Greasy skin disease pruritic?

Answer 21

No - but can be fatal due to fluid wash

Question 22

What is the treatment for Greasy Pig Disease?

Answer 22

Penicillin or linomycin

Savlon washes

Question 23

False ringworm is an inherited condition in pigs. What is it called?

Answer 23

Pityriasis rosea

non-pruritic, unlike ringworm

Question 24

What age pigs are typically affected with false ringworm (Pityriasis rosea)? How is it treated?

Answer 24

5-7 weeks old - sporadic, dramatic appearance

Self-resolves

Question 25

What is the most common skin parasite in pigs?

Answer 25

Sarcoptes scabiei

Sarcoptic mange

Question 26

How is Sarcoptes treated in pigs?

Answer 26

Ivermectin

Bathing to stop secondary infections