new castle disease (37 - 40)

Question 1

official measures in case of confirmation of Newcastle disease on a holding

Answer 1

• All poultry 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 is placed under official surveillance
• Thorough cleaning and disinfection
• Reintroduction: at least 21 days after the end of the disinfection operations

Question 2

official measures in case of confirmation of Newcastle disease in pigeons

Answer 2

• Application of the control and eradication measures provided for the poultry; or
• At least
o A ban on movement of the pigeons or birds kept in captivity: for at least 60 days
o Destruction or treatment of any matter or waste likely to be contaminated;
o An epizootiological inquiry
• Use of swill is prohibited for the feeding of poultry
• Contingency plan

Question 3

rules of lifting the restrictions ordered in case of scabies

Answer 3

observation period:
o Sheep: if <2 cm wool: 42 days after 1x dipping
▪ If >2 cm wool: 70 days after 2x dipping
▪ Other preparation: 42 days
▪ Other species: 42 days after 2x treatment

Question 4

official control measures with rabbit flocks diseased of viral haemorrhagic disease

Answer 4

• Diseased: movement restrictions, slaughter prohibited; killing the rabbits
  o Proper disposal of carcasses (incineration)
  o Valuable flock: killing ONLY of diseased animals + vaccination of the healthy flock without clinical signs (movement restrictions & vaccination continued during the next 6 months) !!!

• Suspected of being diseased: movement restrictions until confirmation or ruling out
• Infected or suspected of being infected: oblig vaccination + 15 days of movement restrictions (& monitoring)
• Endangered flocks: obligatory vaccination
• Movement restrictions:
o Rabbit, products, anything liable to transmit the contamination
o Strict disinfection (in high conc e.g. 4% for longer period)
• Protection zone: authorization for transport of healthy animals to slaughterhouse may be given by vet authority
• Surveillance zone: vaccination, movement restrictions