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Pigs (LHW) > Growing pigs > Flashcards

Growing pigs Flashcards

1
Q

What causes ‘milk spot’ on a pig liver?

A

Ascaaris suum

Migrating L2

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2
Q

How does Ascaaris suum affect pigs clinically? How is it treated?

A

Often not clinical - just milk spot on liver

Fenbendazole, ivermectin

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3
Q

Which disease is persistent once in a herd, causing chronic infections alone, or acute/peracute outbreaks with PRRS or influenza?

A

Actinobacillus pleuropneumoniae

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4
Q

What are the clinical signs of acute Actinobacillus pleuropneumoniae in pigs, seen on post-mortem?

A

Haemorrhagic lesions

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5
Q

What is the main clinical sign of chronic Actinobacillus pleuropneumoiae in pigs?

A

Pneumonia

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6
Q

Treatment is often too late once Actinobacillus pleuropneumoniae is in a herd. How may yuo treat it?

A

Penicillin
Florfenicol
TMPS

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7
Q

How can Actinobacillus pleuropneumoniae be prevented in pigs?

A

Vaccination against toxin

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8
Q

What pathogen causes Enzootic Pneumonia in pigs?

A

Mycoplasma hypopneumoniae

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9
Q

What pathogen causes Erysipelas in pigs?

A

Erysipelotrhix rhusiopathiae

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10
Q

Erysipelas in pigs is very common, causing bacteraemia. What acts as the reservoir for this disease?

A

Wildlife

seen more in outdoor herds

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11
Q

How can Erysipelas be treated?

A

Penicillin

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12
Q

How is Erysipelas prevented?

A

Vaccination

Bird and rodent control

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13
Q

Peracute Erysipelas causes sudden death and septicaemia. What do acute and chronic Erysipelas cause?

A

Acute - raised diamond skin lesions, pyrexia, lethargy

Chronic - endocarditis, stiff lameness

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14
Q

Gastric ulcers are common in fast-growing pigs. Give examples of what may trigger them

A

Stress

High protein or wheat

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15
Q

Gastrointestinal volvulus is identified by a swollen, pale carcass on death and confirmed on PME. Give examples of foods/diets associated with volvulus in pigs

A

Fresh grains
Fermentation
High protein

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16
Q

What pathogen causes both Porcine Haemorrhagic Enteropathy and Porcine Intestinal Adenopathy?

A

Lawsonia intracellularis

17
Q

How does ileitis differ in terms of its main clinical signs: Porcine Haemorrhagic Enteropathy and Porcine Intestinal Adenopathy?

A

PHE: acute, higher grade infection (haemorrhage, blood clots)
PIA: low grade, scour, poor growth

18
Q

How are Porcine Haemorrhagic Enteropathy and Porcine Intestinal Adenopathy diagnosed?

A

PCR

Lawsonia intracellularis

19
Q

Porcine Haemorrhagic Enteropathy and Porcine Intestinal Adenopathy treated and prevented?

A

Macrolides - erythromycin

Prevention - vaccine

20
Q

What causes nutritional scour?

A

Low grade colitis

Due to rapid feed change and disruption of microbiome

21
Q

PRRS causes damage to which cells?

A

Alveolar macrophages

Respiratory disease, scour in piglets

22
Q

Give examples of pathogens that make up Porcine Respiratory Disease Complex (PRDC)

A

Enzootic pneumonia - Mycoplasma hypopneumoniae
Glasser’s
Porcine circovirus - PCV-2
Actinobacillus pleuropneumonia
Swine influenza
PRRS
+/- Strep, Salmonella, atrophic rhinitis, Ascarids

23
Q

Porcine respiratory disease complex leads to recycling of infection between age groups. How can this condition be prevented?

A

All in all out system and avoid mixing pigs
Hygiene and biosecurity
Vaccinations
Appropriate stocking rates

24
Q

A pig has been coughing, sneezing, pyrexic with conjunctivitis and anorexia. On PME there is pericarditis and peritonitis. What is your most likely diagnosis?

A

Porcine respiratory disease complex

25
Q

Rectal prolapse or stricture is often missed as it may have been bitten off by another pig. What is rectal prolapse/stricture associated with?

A

Scour

Increased abdominal pressure

26
Q

What is the treatment for rectal prolapse in pigs?

A

Replace if fresh
Amputate if old
(can lead to stricture and GIT blockage)

27
Q

What symptoms may you see in a pig with rectal stricture?

A

Swollen abdomen
Jaundice
Loss of condition

28
Q

What commensal pathogen causes spirochaetal colitis?

A

Brachyspira pilosicoli

mild colitis - often with Lawsonia + Salmonella

29
Q

A pig presents with grey cow pat faeces. What is your most likely diagnosis?

A

Spirochaetal colitis

Brachyspira pilosicoli

30
Q

How is Spirochaetal colitis controlled?

A

Nutritional changes

31
Q

What pathogen causes Swine Dysentery?

A 
Brachyspira hydodesenteriae
(Treat with antibiotics)
32
Q

A pig presents with mucohaemorrhagic scour, lethargy, reduced feed intake, condition loss and death. What is your diagnosis?

A

Swine Dysentery (Brachyspira hydodysenteriae)

33
Q

What is the Whipworm in pigs?

A

Trichuris suis

34
Q

What are the symptoms of Whipworm (Trichuris suis) in pigs?

A

Irritative colitis

Unresponsive to antibiotics

35
Q

Give examples of what may cause vices in pigs

A 
Stress
Over/under stocking
Draughts
Nutritional upset
Disease
Frustration/boredom
36
Q

Vices lead to local or tracking abscesses and death or euthanasia. How can this be prevented?

A 
Tail docking
(End of tail insensitive - removes this portion so pig can feel bite and move away)

Pigs (LHW) (7 decks)

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