Newcastle disease in Israel

ISRAEL - The Israeli veterinary authorities have reported an outbreak of Newcastle disease in Hadarom.

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The World Organisation for Animal Health (OIE) received an immediate notification yesterday, 27 September. The affected population comprises 5 to 7-week-old broilers. The flock has been divided into four pens. All the pens were affected.

A total of 10,5000 birds were found susceptible to the disease, out of which 4500 were identified. A total of 1500 deaths was recorded, and 10,3500 birds were destroyed.

The source of the outbreak remains inconclusive. The epidemiological investigation is ongoing.New outbreaks

Outbreak 1 (Kfar Yeoshua)	Kfar Yehoshua, Yizreel, HAZAFON
Date of start of the outbreak	14/12/2010
Outbreak status	Resolved (22/03/2011)
Epidemiological unit	Village
Affected animals	Species Susceptible Cases Deaths Destroyed Slaughtered Birds 43000 9000 1500 41500 0
Affected Population	First outbreak on 14 December 2010 in 29,000 30-day-old broilers.                 Second outbreak on 20 April 2011 in 14,000 33-day-old broilers.
Summary of outbreaks	Total outbreaks: 1
Outbreak statistics	Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 20.93% 3.49% 16.67% 100.00% * Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology

Source of the outbreak(s) or origin of infection

Unknown or inconclusive

Epidemiological comments

All 7,000 birds were grown on one farm. On 11 December, 3,000 birds were moved to an adjacent (200 meters) farm. On 14 December, the farmer reported an increase in mortality. The farm veterinarian visited the two farms. On the first farm there were respiratory signs in all birds and 10 birds exhibited neurological signs. No clinical signs were seen on the second farm. Tracheal and cloacal swabs were submitted to the laboratory for viral isolation and RRT-PCR. All birds on both farms are in the process of being culled. There was no movement of animals or animal products out of the sites.