FU Berlin, Germany A means of recording of the circumstances during - - PowerPoint PPT Presentation

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FU Berlin, Germany A means of recording of the circumstances during - - PowerPoint PPT Presentation

Jan 12, 2024 226 likes •825 views

Post mortem Records Reinhard Fries FU Berlin, Germany A means of recording of the circumstances during farm stage Most of the following cases are frequently observed in intensively run swine holdings in the EU. For an appropriate assessment,

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Post mortem Records Reinhard Fries FU Berlin, Germany A means of recording of the circumstances during farm stage Most of the following cases are frequently

  • bserved in intensively run swine holdings in

the EU. For an appropriate assessment, the following sequence may be followed:

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  • 1. Basics
  • Recognition of the lesion
  • Denomination of the pathological case
  • Association with possible causes leading

to this observation

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  • 2. Definitions needed

Infection: Entry of an agent into a host Incubation time: Time between infection and the clinical manifestation of the respective disease Disease: The clinical appearance in the host caused by this infection Technopathy: Observation caused by technical equipment or other non-infectious influences from the environment of the animals (herd related)

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  • 3. Assessment
  • Having done the necropsy, the
  • bservation should be assessed for it’s

possible risks for humans or animals.

  • The case studies to be discussed here,

are in the order of this decision tree, which should be used.

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  • 1. The Infection

1.1. Local infection: Complication of a local event

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Case 34: Lymphnode enlarged indicating action in the local tissue

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  • Case 1

Enteritis

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Case 29: Unhygienic Keeping Conditions: Ascaris suum

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  • Case 2

Nephritis

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Case 3: Pneumonia Suspected causative agent: APP

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  • Case 4
  • Inflammation hind leg
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  • Case 5: Gonitis
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  • Case 6: Arthritis
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Case 7: Pneumonia

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  • Case 8: Inflammation
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Case 30: Pericarditis plus enlarged lymphnode

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Case 30a: Heavy pericarditis

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Discussion Plucks

  • Lungs: Pneumonia/ Pleurisy/

Pericarditis- Complex Herz

  • Pericarditis ist vor allem durch

Pneumonie-Erreger bedingt

  • Endocarditis andere Erreger als Ursache

hat (S. suis; E. rhusiopathiae)

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  • Case 9

Abscesses

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Summing up

  • Case 1

Enteritis

  • Case 2

Nephritis

  • Case 3

Pneumonia

  • Case 4

Inflammation hind leg

  • Case 5

Gonitis

  • Case 6

Arthritis

  • Case 7

Pneumonia

  • Case 8

Inflammation

  • Case 9

Abscesses

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For discussion

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1.2. Systemic infections: Infection leading to a systemic reaction (disease)

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Case 10: Gonitis / pleuritis

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Case 11 PSE/ pleuritis / nephritis

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  • Case 12

Leucosis

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  • Case 13

Dermatitis

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  • Case 14

Icterus

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  • Case 15 Abscesses
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  • Case 16

Dermatitis including impact on muscles

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  • Case 17

Erysipelas

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  • Case 18

Leucosis

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Case 31: Mandibularlymphnodes indicating presence of Mycobacterium avium intracellulare complex

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  • Case 19

Trichinella

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  • Case 20

Strugglers

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For discussion

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  • 2. Non infectious

2.1. Individual cases

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Case 21: Abscesses caused by tail biting

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Case 33: Abscesses

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Case 33: Abscesses

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  • Case 22

Spleen blood jam

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  • Case 23

Blow caused lesion

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Case 32: Fracture Pig (during lifetime)

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2.2. Herd level leading to technopathy

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  • Case 24

Decubital lesion

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  • Case 25

Decubital lesion

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Case 26 Tailbiting caused necrosis

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Summing up

  • Case 21

Abscesses caused by tail biting

  • Case 22

Spleen blood jam

  • Case 23

Blow caused lesion

  • Case 24

Decubital lesion

  • Case 25

Decubital lesion

  • Case 26

Tailbiting caused necrosis

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For discussion

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  • 3. Breeding & Genetics with

consequences for the individual lifetime

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Case 27 M. longissimus dorsi and suspicion of necrosis (PSE syndrome)

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For discussion

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  • 4. Complication of single

cases

Frequently, certain given circumstances lead to a cascade of reactions: Under the influence

  • f (adverse) environments, the animal reacts

and suffers from different aches or other.

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Note

  • Carcass & Organs
  • Each site should be observed consciously and

carefully.

  • In all, the over all appearance is another

important thing, indicating an „complication“ of a single lesion, e.g.

– nutrition state, – symmetry, – shape

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  • Case 1
  • Case 10
  • Case 11
  • Case 16
  • Case 20
  • Case 28
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Case 28: Hind leg & Lymphnodes

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For discussion

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  • 4. Seizure and taking action as a

consequence

  • Carcass or organs pass the inspection or they

are going to be rendered, which depends on local reglement and legislation and which is not discussed here.

  • Important is an understanding of the lesion and

the learning the reaction cascade. Only then, preventive measures may be taken.

  • With regard to the individual, any observation

should be recorded as an indicator for the status

  • f the group from “this farm of origin”.