Retake MT 4 Flashcards
Definition of Avian influenza
- An infection of poultry or other captive birds caused by any influenza-A virus
- -> of the subtype H5 or H7
- -> with an intravenous pathogenicity index in 6 weeks old chickens >1.2
- Can be highly pathogenic- or low pathogenic Avian influenza
Rules of preventative vaccination of dogs against Rabies
Minimum Q
Vaccination of all dogs above 3 months of age with the following schedule
- -> within 30 days after reaching 3 months of age
- -> within 6 months after the first vaccination
- -> every year afterwards
Official measures in case of confirmation of African Swine Fever on a holding
(Minimum Q)
- All the pigs on the holding are killed and their carcasses processed
- All contaminated material or waste must be destroyed, processed or treated
- Cleaning and disinfection of all premises, vehicles and equipment
- Meat of pigs slaughtered during the period between the probable introduction of the disease and the taking of official measures shall be traced and processed when possible
- Protection zone: a radius of at least 3 km
- Surveillance zone: a radius of at least 10 km
- -> census of all holdings
- -> ban on movement and transport of pigs
- -> movement restriction of products, vehicles, people
- -> no markets, fairs or gatherings
- -> strict cleaning, disinfection and disinsectisation
Surveillance zone for Newcastle disease
Surveillance zone
- -> a minimum radius of 10 km
- -> stand-still measures and controlled movements of poultry for at least 30 days
- -> before lifting the measures: sampling of the poultry holdings
Definition of a potentially rabid animal
Minimum Q
- An animal that shows the symptoms of the disease, or
- An animal that is symptomless but has been bitten by a potentially rabid animal, and
- A wild mammal which behaves strangely or attacks human
Official measures in case of confirmation of Newcastle disease in pigeon
(Minimum Q)
- Application of the control and eradication measures provided for the poultry
- Or at least a ban on movement of the pigeons or birds kept in captivity for at least 60 days
- Destruction or treatment of any matter or waste likely to be contaminated
- Epizootiological inquiry
- Use of swill is prohibited for the feeding of poultry
- Contingency plan
Preventative measures for Duck Viral Enteritis
- No free keeping on natural water during the 2 weeks before egg-laying period
- Infected natural water: no susceptible birds for 2 years except vaccinated broiler ducks
- Breeding and broiler flocks shall not be kept together
Definition of rabies-risky animal
Minimum Q
- Any mammal that has attacked or bitten humans, or
- Any dog that has not received an anti-rabies vaccination in accordance with the regulation
Official measures in case of confirmation of Classical Swine Fever
- all the pigs on the holding are killed and their carcasses rendered
- any material or waste likely to be contaminated is destroyed, rendered or processed
- cleaning and disinfection under official supervision
- meat of pigs slaughtered during the period between the probable introduction of the disease and the taking of official measures shall be traced and processed when possible
- epidemiological inquiry
Definition of Aujeszky’s disease-free swine herd
- No infection for 2 years
- Epidemiological conditions
- No vaccination
- Testing of all breeding sows and boars and representative sample of fattening pigs
- Insemination or natural breeding with negative semen/boar
Definition of DIVA in Avian influenza
A vaccination strategy that enables differentiation to be made between vaccinated/infected and vaccinated/non-infected animals through the application of a diagnostic test designed to detect anitbodies against the field virus and the use of non-vaccinated sentinel birds
Official control measures in case of Teschovirus outbreaks on large scale holdings
- All diseased and suspected of being diseased pigs are killed on the spot
- Suspected of being contaminated
- -> observed for 40 days
- If slaughtered
- -> heat treatment
Official measures in case of Rabies risky animal
Minimum Q
- Shall be put under official monitoring for 14 days and unless they have it, dogs shall be marked with a microship
- At the end of the monitoring period it is necessary to order the anti-rabies vaccination of the dogs that do not have a valid anti-rabies vaccination
Official measures in case of confirmation of Newcastle disease on a holding
(Minimum Q)
- All poultry are killed on the spot
- The carcasses and eggs are destroyed
- Any substance or waste liable to be contaminated is destroyed or treated
- The meat of poultry slaughtered during the presumed incubation period is traced and destroyed
- Hatching eggs laid during the presumed incubation period is traced and destroyed
- Poultry which hatched from such eggs are placed under official surveillance
- Thorough cleaning and disinfection
- Reintroduction at least 21 days after the end of the disinfection operations
- Protection zone
- -> a minimum radius of 3 km
- -> stand-still measures and controlled movements of poultry for at least 21 days
- -> before lifting the measures: sampling of the poultry holdings
- Surveillance zone
- -> a minimum radius of 10 km
- -> stand-still measures and controlled movements of poultry for at least 30 days
- -> before lifting the measures: sampling of the poultry holdings
Definition of cohort in case of confirmation of BSE??
A group of bovine animals which were either born in the same herd as, within 12 months preceding or following the birth of the affected cattle or reared together with the infected animal at any time during the first year of life and which may have consumed the same feed as that which the affected animal consumed during the first year of life
