Sources: Available upon request
Slovenia has recently been declared free of Newcastle disease, marking a significant achievement in the country’s efforts to control and eradicate this highly contagious avian disease. The World Organisation for Animal Health (WOAH) confirmed the resolution of the outbreak on March 24, 2025.
The outbreak, which was the first in Slovenia since 1991, was detected in a domestic poultry flock in Pesnica, located in the Podravska region. The presence of Newcastle disease was confirmed on February 14, 2025, affecting a flock of 200 birds. Of these, 44 birds succumbed to the disease, while the remaining 156 were depopulated as part of the containment measures.
Newcastle disease is a viral infection that affects birds, causing respiratory and neurological symptoms. It can lead to significant economic losses in the poultry industry due to high mortality rates and the necessity of culling infected flocks. The disease can also spread rapidly, making prompt and effective control measures crucial.
Slovenian authorities implemented a series of stringent control measures to contain the outbreak. These included stamping out the affected flock, traceability, zoning, surveillance within the restricted zone, disinfection of the property, movement control, destruction of animal products, and official disposal of carcasses, byproducts, and waste. These measures were essential in preventing the spread of the disease to other flocks and regions.
The source of the infection remains unknown or inconclusive, as the WOAH report did not include any epidemiological comments. Despite this, the swift response and comprehensive control measures ensured that the outbreak was contained and resolved in just over a month.
With Slovenia now free of Newcastle disease, Poland and Israel are the only countries with active reports of the disease. Earlier this year, Sweden was also declared free of Newcastle disease, while Brazil resolved its outbreak in October 2024.
The successful containment of Newcastle disease in Slovenia highlights the importance of vigilant monitoring, rapid response, and effective control measures in managing avian diseases. It also underscores the need for ongoing research and collaboration among countries to prevent future outbreaks and protect the global poultry industry.
Slovenia’s achievement serves as a reminder of the resilience and dedication required to combat infectious diseases and safeguard animal health. As the country moves forward, continued vigilance and preparedness will be key to maintaining its disease-free status and ensuring the well-being of its poultry population.
Sources: Available upon request
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