P4 pig parasites

Question 1

What is the main Clinical signs and symptoms

svine parasitter

Answer 1

1. Diarrhoea and/or un-thriftiness

2. Skin affections/reactions

Question 2

Diarrhoea and/or un-thriftiness
Possible aetiology (not only parasites)
PATTEGRISE

Answer 2

• Patogenic E.coli
• Isospora
• Clostridium
• Rotavirus
• (Strongyloides) - (Ascaris, oesophagostomumspp, Trichuris)

Question 3

Diarrhoea and/or un-thriftiness
Possible aetiology (not only parasites)
Fravænningsgrise -> slagtesvin

Answer 3

• E. coli (weaning diarrhoea)
• Lawsonia
• Dysentery (Brachyspira)
• Non-specific colitis
• Ascaris(Oesophagostomumspp,Trichuris)

Question 4

Diarrhoea and/or un-thriftiness
Possible aetiology (not only parasites)
SØER

Answer 4

• Dysentery
• Oesophagostomumspp. (Hyostrongylus)
• (Eimeriainfections)

Question 5

Isospora suis

- diagnostik

Answer 5

• Counting of oocysts in fresh faeces (autoflurescens)
(McMaster)
• In very young piglets
•Clinically characteristic in microscope
(Oocysts contain 2 sporocysts with each 4 sporozoits)

Question 6

Ascarisand other GI helminths

- diagnostik

Answer 6

• Counting eggs in fresh faeces (EPG)(McMaster)
• Species differentiation based on egg morphology:
  
  • Ascaris suum
  • Trichuris suis
  • Strongyloides ransomi
  • Strongyles (most likely Oesophagostomumspp.)

Question 7

Hvad er den mest almindelige orm hos svin?

Answer 7

A. suum

Question 8

Hvor findes A. suum?

Hvordan giver den produktionstab?

Answer 8

• Can be found in all production systems
• Production losses:
• Liver condemnation
• Reduced weight gain
• Reduced feed conversion

Question 9

Hvor er A. suum så svær at komme af med?

Answer 9

• Very hard to get rid off because of the thick & resistant eggs (>9 years on pastures)