Only through vigilant daily biosecurity and transparent reporting can Nagaland’s farming families shield their livelihoods from the persistent shadow of African Swine Fever.
For many rural households across Nagaland and Northeast states as a whole, backyard piggery is more than just a supplementary income source—it is a traditional financial safety net, often considered locally as the "poor man's bank." But over recent months, that security has faced a relentless and devastating threat. African Swine Fever (ASF) has continued its sweep across various districts of the state, re-emerged as a major crisis for local piggeries, leaving a trail of mortality among swine populations and prompting swift containment actions from state and central workforces to enforce strict containment zones, trade bans, and emergency protocols.
A familiar but destructive cycle
African Swine Fever is a severe, highly contagious viral disease affecting domestic and wild pigs, with a case fatality rate that can reach up to 100 percent. While it does not affect humans—meaning it is not a zoonotic risk to public health—its economic and psychological toll on rural farming communities is crippling. For small-scale farmers who invest their meagre savings into rearing piglets, waking up to find animals listless, refusing feed, or succumbing to sudden death has become a recurring nightmare.
Recent months have seen multiple districts grapple with sudden spikes in mortality. Administrations in Kohima district—including localities and villages such as Kiruphema, Bawe, Chiechama, and Nerhema—have had to declare specific epicentres as infected zones, implementing 1-kilometer radius containment circles and 10-kilometer surveillance zones. Similar emergency measures, including bans on the slaughter and sale of pork and restrictions on the inter-district transport of live pigs, have been enacted in districts like Wokha, Mon, Chümoukedima, and Dimapur.
In the latest official update issued by the Department of Information and Public Relations (DIPR), Government of Nagaland, Deputy Commissioner Kohima confirmed a fresh outbreak of ASF at Thizama Village under Kohima district following positive laboratory test results from the Department of Animal Husbandry and Veterinary Services.
Unlike airborne pathogens, the ASF virus is exceptionally resilient in the environment and spreads primarily through:
1. Movement of live animals: Unmonitored trading and transport of pigs across district borders remain primary cause for introducing the virus into clean herds. Therefore,
2. Swill feeding: Feeding pigs uncooked (unboiled) kitchen scraps or wastes from restaurants containing infected pork products is another major transmission route.
3. Improper carcass disposal: Dumping diseased pig carcasses into open forests, lands or water bodies creates a severe biological hazard, contaminating water sources and allowing scavengers to spread the virus across wider areas. Incidents of dead pigs being illegally dumped into rivers, ravines, or open forests—as condemned previously by local bodies like the Wokha Town Council—pose a severe biological hazard.
How does Nagaland navigate through these times of ASF burden faced by our communities at large?
One word expert answer is Biosecurity. With the onslaught of the recurring ASF outbreaks, efforts of containment orders temporary pork bans are only firewalls, not a permanent cure. Because vaccine for ASF is currently not accessible, the burden of defence falls entirely on on-farm biosecurity.
As veterinary experts, we urge the farmers/ entrepreneurs and village councils to adopt and popularise rigorous preventive habits based on these crucial pillars:
Enforcing a 21-day strict quarantine: Newly purchased pigs from markets or outside districts must be kept isolated in a separate shed from existing pig herds for at least 21 days. This also includes strict separation of feeding and watering utensils, besides a dedicated person for feeding/watering the only newly introduced pigs.
Eliminating raw swill feeding: All food waste fed to pigs must be thoroughly boiled and cooled before feeding them.
Restricting farm access to visitors and sanitation: Limiting visitors and maintaining clean footwear and dedicated clothing for animal sheds can drastically lower the risk of bringing the virus onto a farm. This also includes vigilance on the part of experts to avoid visiting fresh areas after visit to a potential diseased or quarantined pig herd.
Practicing early reporting and community action: Village authorities (village chairman/ secretary) must report sudden pig sickness or unexplained deaths immediately to local veterinary units bolstering the active surveillance of ASF rather than attempting emergency distress sales of sick pigs, which only accelerate the spread.
Enforcing strict carcass disposal procedures in communities: Infected or suspected carcasses must be disposed of strictly through deep burial covered with quicklime, prohibiting any dumping in open spaces or water bodies.
As the state works to safeguard its rural economy, protecting the humble backyard piggery requires a unified community approach and quick intimation to the local state veterinary officials.
A remarkable feat under the Atmanirbhar Bharat mission of Government of India is that a live attenuated vaccine has been released by the Indian Council of Agricultural Research (ICAR) on its foundation day July 16, 2026, New Delhi. The ICAR–National Institute of High Security Animal Diseases (ICAR-NIHSAD), Bhopal has developed the India's first indigenous vaccine against African Swine Fever (ASF). Until its commercial availability, for the near future, the Northeastern region will have to continue to rely on the implementation of preventive measures to avoid the devastating losses that ASF outbreaks can cause. Only through vigilant daily biosecurity and transparent reporting can Nagaland’s farming families shield their livelihoods from the persistent shadow of African Swine Fever.
Dr. Plabita Goswami is a Scientist (Medicine) at the ICAR-National Research Centre on Mithun (ICAR-NRCM), Medziphema, Nagaland.