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Case of Avian Influenza in Quixeramobim Activates Emergency Plan. What Changes for Birds, Producers, and How Biosecurity Is Applied?
A focus of avian influenza type H5N1 has been confirmed in backyard birds in the rural area of Quixeramobim, Ceará.
The Ministry of Agriculture and Livestock (MAPA) immediately activated the National Contingency Plan, with strict biosecurity measures.
The action aims to contain the spread of the virus and protect the health of birds throughout the region. Chicken meat and eggs remain safe for consumption.
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Avian Influenza Focus in Ceará Triggers Emergency Biosecurity Response
A focus of highly pathogenic avian influenza (H5N1) was confirmed in the municipality of Quixeramobim, Ceará, on July 17, 2025. The case occurred on a property with backyard birds, following tests conducted by the Federal Laboratory for Agricultural Defense (LFDA) in Campinas.
Immediately after confirmation, the Ministry of Agriculture and Livestock (MAPA) activated the National Contingency Plan for Avian Influenza. The measure aims to control the advance of the disease and reinforce biosecurity in the region.
How the Avian Influenza Virus Reached Backyard Birds
The investigation indicates that the avian influenza focus arose in an environment where domestic birds had access to a water source shared with wild birds.
This direct contact is one of the main transmission vectors of the H5N1 virus, responsible for outbreaks in various parts of the world.
This type of situation requires constant monitoring, even in small-scale farming. The interaction between domestic and wild animals is considered one of the critical points in controlling avian influenza.
Control and Containment Actions: What Was Done
The affected property was immediately quarantined by the Official Veterinary Service of Ceará. Coordinated containment actions were then initiated, including euthanasia of all birds on the property, including asymptomatic ones. Sanitary barriers were installed around the contaminated area.
Complete disinfection of vehicles and people who had access to the site. Burial of carcasses and materials in specific sanitary trenches.
Epidemiological investigation within a 10 km radius of the occurrence. Technical guidance to residents on biosecurity practices.
Seven tax auditors, one Adagri agent, and representatives from the Quixeramobim City Hall participated in the operation. The joint effort included support from the Federal Superintendency of Agriculture in Ceará (SFA-CE).
Avian Influenza Does Not Affect the Consumption of Meat and Eggs
Even with the confirmation of the focus, health authorities emphasize that there is no risk in the consumption of chicken meat or eggs. The avian influenza virus is not transmitted through properly prepared food.
According to MAPA, inspected and properly stored animal products are safe for human consumption.
The alert remains for practices in the field, and not for the marketing of legalized food.
The Impact of Avian Influenza on Production and Export
Avian influenza is a notifiable disease, and a focus in domestic birds, even backyard ones, represents a national health concern.
This occurs because the virus can affect large commercial farms, impacting large-scale production and, consequently, Brazilian exports.
As of July 2025, Brazil has reported 181 cases of the disease, most in wild birds. Cases in backyard farms, like this one in Quixeramobim, are still less frequent but require immediate response to prevent the virus’s spread.
The Importance of Biosecurity Even in Small Farms
This episode reinforces the need to implement basic biosecurity measures even in small rural properties. These include isolating birds from any external contact.
Restriction of access to unauthorized persons to the farms. Care with feeding, use of safe drinkers, and waste control. Continuous monitoring of animal health.
According to MAPA, “when backyard producers understand their role within the health defense system, the entire production chain benefits.”
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