Swedish Newcastle Disease Outbreak Affects Egg Layers
SWEDEN - The Swedish veterinary authorities have reported an outbreak of Newcastle disease at a poultry farm located in Östergötland County (or Östergötlands län), situated in southeastern Sweden.The World Organisation for Animal Health (OIE) received an immediate notification on 19 June. According to the report, the outbreak was initially observed on 17 June at an establishment with 24,000 laying hens kept indoors. The OIE reports that there was a history of egg drop.
On 19 June, a real-time PCR test was carried out at the National Veterinary Institute. The test confirmed the presence of the causal agent, Paramyxovirus type 1.
A total of 24,000 hens were found susceptible, out of which all birds were affected, indicating a 100 per cent apparent morbidity rate. All 24,000 laying hens were destroyed.
According to the OIE, a protection zone (3km) and a surveillance zone (10km) have been put in place around the farm. All other measures according to Directive 92/66/EEC have also been applied as a precautionary measure.
Stamping out, movement control inside the country and zoning are among some of the control measures that have been applied to contain the situation. None of the affected birds received vaccination or treatment.
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