JulyeighteenA farm in Rio Grande do Sul, Brazil, was found to have an outbreak of Newcastle disease. The epidemic has caused approximatelyseven thousandOnly poultry died, accounting for a percentage of the total number in the farm50%about.

Newcastle disease is an acute, highly contagious avian disease caused by the Newcastle virus. With high incidence rate and mortality, it is a major infectious disease endangering poultry industry. OIE classified it as a Class A disease. The Newcastle disease virus has strong resistance to the external environment and has a high survival rate in low temperature environments, but acts at 55 ℃forty-fiveUnder the influence of minutes and direct sunlightthirtyIt can be inactivated in minutes, and viruses are sensitive to ether. Most detergents can quickly inactivate them. Newcastle disease mainly harms chickens, guinea pigs, and turkeys. The feces and oral mucus of sick and infected chickens are the main sources of infection for this disease.

Brazilian export chicken production workshop

The prevention and control of Newcastle disease mainly focuses on controlling the condition, reducing deaths, and preventing secondary infections. In order to prevent the spread of the epidemic, the Brazilian government quickly took containment measures. According to the eradication procedures stipulated in the "Emergency Plan for Avian Influenza and Newcastle Disease", the poultry farms involved were closed, and all poultry were slaughtered and destroyed; Clean and disinfect the site, set up sanitary barriers, suspend the circulation of poultry, monitor the movement of personnel and poultry in the outbreak area, and conduct emergency investigations within a 10 kilometer radius of the outbreak area. The Brazilian Ministry of Agriculture and Animal Husbandry also quickly activated the emergency response mechanism and declared a state of animal health emergency in Rio Grande do Sul, with a validity period ofninetyOh my god.

Brazilian Ministry of Agriculture, Livestock and Supply in 2024sevenmontheighteenReported to the World Organization for Animal Health on the outbreak of Newcastle disease in Antagorda, Rio Grande do Sul, Brazil. To prevent the spread of the epidemic to the international market, the Brazilian government has also announced an export ban to uphold international food safety standards. The Brazilian Ministry of Agriculture announced the suspension of exports of chicken, eggs, and other poultry products to multiple countries and regions, including China, the European Union, Argentina, India, South Africa, and Mexico. Brazil is one of the world's largest chicken exporting countries, and this export ban has seriously affected Brazil's chicken exports and economic development. As a result, the stock price of BRF SA, Brazil's largest chicken producer, closed down7.9%Set a record for last yearelevenThe largest decline since the beginning of the month.

Brazil's largest chicken producerBRF SA

Although Newcastle disease does not pose a direct threat to humans, its destructive power on the poultry industry may indirectly affect human food safety and public health. Since its first discovery in 1926, Newcastle disease has caused multiple pandemics worldwide. In recent years, Newcastle disease outbreaks have occurred globally: 2019fiveThe outbreak of Newcastle disease occurred in Sonora state, Mexico in the month of,elevenThe outbreak of Newcastle disease occurred in Klelahi County, Wallachia Region, Romania in the month of; 2023threeIn June, Moldova and Irkutsk Oblast in Russia experienced outbreaks of Newcastle disease. This has had a serious impact on the poultry farming industry.

The outbreak of Newcastle disease in poultry farms in Rio Grande do Sul, Brazil has attracted widespread attention from the local government and the international community. The spread of viral diseases is highly rapid and unpredictable, which requires countries to remain vigilant at all times, strengthen epidemic monitoring and prevention, enhance the response capacity of public health systems, promote vaccine research and development and use, strengthen international cooperation, raise public health awareness, and strengthen the supervision of food supply chains to jointly address global health challenges.