foot and mouth disease (q. 5.-7.

Question 1

Rules of taking samples in case of FMD disease suspicion

Answer 1

• 1g of tissue from an un-ruptured or recently ruptured vesicle
• Epithelium samples should be placed in a transport medium which maintains a pH of 7.2-7.4
• Samples should be kept at 4oC.
• Oesophageal-pharyngeal fluid collected by means of a probang cup (a special device for
  collecting cells from the walls of the upper part of the oesophageus).

Question 2

use of vaccination in case of confirmation of FMD

Answer 2

Trade in vaccinated animals is prohibited
Vaccinated animals from tested herds may be moved within the Member State
A system of traceability ensures that vaccinated animals are excluded from Community trade

Emergency vaccination:
⚫ classification of herds
⚫ animals: clearly identified and registered
and must not be moved
⚫ specific measures in the vaccination zone
to the movements of animals, fresh meat
and other animal products, milk and milk
products,
⚫ clinical and serological survey

• A) Protective vaccination
o Regionalisation of the vaccination zone
o Second surveillance zone: at least 10 km wide

• B) Suppressive vaccination: not used in other diseases
o Part of an immediate stamping-out strategy
o Applied to ensure minimum spread of the virus during disposal of infected animals
o Carried out only within the protection zone and on clearly identified holdings

Question 3

rules of recovery of foot- and mouth disease free status if no vaccination has been used

Answer 3

o The control and eradication measures laid down for the protection and surveillance zones have been effective and may be lifted and
o At least three months have elapsed after the last recorded outbreak