Foot and Mouth Disease in Animals: Signs and Reporting

What foot and mouth disease means

Foot and mouth disease is caused by a virus and affects several kinds of farmed and wild animals. Its importance comes from the combination of painful illness, rapid spread and disruption to livestock production. Many adult animals survive, but survival does not mean an animal has escaped harm: weakness and reduced productivity can continue after the obvious illness. Young animals can be much more severely affected, including through damage to the heart. FMD therefore deserves urgent veterinary attention even where the death rate among adult animals appears low. A farm’s experience cannot be judged simply by counting deaths, and one apparently mild case does not establish that the rest of the herd or flock is safe. [1]

Human hand, foot and mouth disease is usually abbreviated HFMD. The US Centers for Disease Control and Prevention explains that it is caused by enteroviruses and spreads between people. It is unrelated to the foot and mouth disease found in livestock. The similar names are a common source of mistaken searches, images and advice. A page about a child’s rash, nursery attendance or person-to-person spread is addressing a different disease from this guide. When reading any resource, check both the full disease name and the species being discussed. The extra word ‘hand’ is an especially useful clue, although a shortened headline alone is not enough to identify reliable information. [2]

Animal FMD is not normally regarded as a significant public-health threat. New Zealand’s Ministry for Primary Industries describes human infection as extremely rare, with minor symptoms documented. That qualification is more accurate than saying infection is biologically impossible. The practical concern for most people around livestock is their potential role in carrying contamination between animals or premises. Someone can matter to an animal-disease investigation without being ill themselves. Human health questions still belong with a healthcare professional, while suspected illness in livestock belongs with a veterinarian and the responsible animal-health authority. Advice for one setting should not be substituted for the other merely because the disease names sound alike. [31]

Which animals are susceptible?

Cattle, pigs, sheep, goats, deer and buffalo are among the animals of concern. These familiar examples have divided, or cloven, hooves. Some national guidance also includes camelids, such as alpacas, llamas and camels, in the animals owners should consider when seeking advice. Susceptibility and the importance of a species in a particular response are matters for veterinary assessment; a short list on a website is not a complete legal definition. Horses are not susceptible to FMD, but that does not give a mixed animal property automatic exemption from precautions. If several species share a site, describe them all when contacting the veterinarian. The relevant question is how animals, people and equipment connect across the property, as well as which animal first appears unwell. [3]

Farmed deer deserve attention alongside conventional livestock. US APHIS specifically includes FMD in its emergency preparedness advice for cervid keepers and notes that biosecurity planning matters to smaller operations too. A small herd, hobby holding or animal attraction can still be connected to other premises through visitors, transport or shared services. Planning should reflect those connections rather than the owner’s impression that the property is too small to be relevant. APHIS recommends identifying the people responsible for emergency preparedness locally and reviewing a site’s plan regularly. For deer keepers, this is a useful reason to discuss the farm’s circumstances with the veterinarian before a crisis. Wildlife questions also need local expertise; the presence of deer nearby does not prove a source of infection. [18]

Signs that need prompt veterinary attention

Warning signs include fever and blister-like sores in or around the mouth and feet. Drooling, reduced appetite, lameness and a decline in milk production can draw attention to a problem before an owner recognises a blister. US APHIS gives a usual interval of two to fourteen days between infection and the first signs of illness. That range describes the disease; it is not a waiting period for reporting suspicious animals. An owner should not start a private countdown after a possible exposure or postpone a call until a textbook sequence develops. The first useful step is to communicate the concern promptly. A veterinary investigation can then consider the animal’s signs together with its recent contacts and the wider disease situation. [4]

Signs vary between species. Great Britain’s animal-health guidance describes cattle that drool, smack their lips, hesitate to eat or become lame, with possible blisters in the mouth or at the feet. In sheep, lameness can be the most obvious clue and mouth blisters may be absent or difficult to notice. Pigs may show sudden lameness, painful movement, unusual lying down or reluctance to feed. These differences explain why an illustration of a cow’s mouth cannot represent every case in a mixed herd. A sudden change affecting several animals is particularly important to describe to the veterinarian, but a single suspicious animal also warrants attention. Do not assume that an animal has to display every sign, or that quiet behaviour means the problem is minor. [5]

Several diseases and injuries can resemble parts of the FMD picture. The Canadian Food Inspection Agency lists vesicular stomatitis, swine vesicular disease, bovine viral diarrhoea and infectious bovine rhinotracheitis among possible confusions, along with damage associated with trauma or chemical irritation. These conditions do not all behave the same way, and naming them is not a method for deciding which one an animal has. The purpose of a differential diagnosis is to help professionals investigate competing explanations. It should not become an owner’s reason to dismiss a serious possibility. Photographs, previous experience and apparent improvement cannot confirm the cause. Laboratory confirmation is part of the official diagnostic process, and any concern about FMD should be raised before trying to settle the explanation independently. [6]

How infection can move between animals and farms

FMD can spread through contact with infected animals and through contaminated surroundings or objects. Australia’s Department of Agriculture, Fisheries and Forestry describes animal movements as an important route between farms. It also explains that infected animals may release virus before visible illness develops. This is why an animal that looked well when it travelled can still become relevant to a later investigation. Contaminated footwear, clothing, vehicles and livestock equipment can connect premises without an obviously sick animal making that journey. Airborne spread can also occur, with its importance depending on the circumstances. Owners do not need to identify the exact route before reporting. Investigators bring together the history of animal movements, shared contacts and other evidence to work out which connections require attention. [7]

People do not have to be infected themselves to carry contaminated belongings from one livestock setting to another. Canada’s traveller guidance treats farm visits, animal products, clothing and footwear as relevant to FMD prevention. This helps explain why a holiday, work trip or visit to relatives can matter to a farm’s visitor policy. The concern is the history of contact and the items brought back, not a traveller’s nationality or whether they feel healthy. A person returning to Canada is required to declare foods, plants, animals and their products to border officials. Elsewhere, the destination’s own rules apply. Farmers should discuss recent overseas livestock contact with their veterinarian and follow current national guidance, rather than borrowing a fixed waiting period from another country’s website. [8]

What to do when you suspect foot and mouth disease

Contact a veterinarian or the responsible government animal-health service immediately if livestock have suspicious signs. Australia’s producer guidance explicitly encourages prompt reporting and makes clear that a false alarm is preferable to disease spreading undetected. Within Australia, its Emergency Animal Disease Hotline is 1800 675 888. The person answering can explain what should happen next. Reporting is a request for professional assessment, not a declaration that the owner has diagnosed FMD. When making the call, clearly describe the concern and follow the instructions given about access and movement. Do not take a suspect animal somewhere else to obtain an informal opinion. If there is an immediate welfare concern, explain that during the same call so that the response can address it safely. [11]

Reporting routes are specific to the place where the animals are kept. In Canada, FMD is reportable under the Health of Animals Act, and the Canadian Food Inspection Agency says suspected cases must be reported. Its public guidance directs livestock owners with concerning clinical signs to call their private veterinarian and the local CFIA district office immediately. It also provides regional after-hours contacts. Save the current official contact information for your own location as part of routine preparation, rather than relying on a number copied into an old social-media post. A veterinarian’s ordinary appointment system and the government’s emergency reporting route may serve different purposes. If the first contact cannot be reached, use the authority’s published emergency arrangements instead of waiting for normal office hours. [10]

England’s APHA guidance explains what an official report can lead to. A duty veterinarian asks about the animals and may arrange a veterinary inspector’s visit if the concern cannot be ruled out by telephone. The duty veterinarian can explain temporary restrictions before that visit, including controls on movements that might spread disease. An investigation therefore may begin while the diagnosis is still uncertain. Such precautions are not proof that FMD has been confirmed. They protect other animals while the evidence is assessed. Follow the instructions that apply to the premises and ask the authority to clarify anything unclear. A neighbour’s experience, an old outbreak notice or a general article cannot cancel a restriction issued for a specific property. [9]

Why diagnosis and outbreak control belong to official services

Veterinary examination and laboratory investigation work together to establish whether FMD is present. In its guidance on suspected infections, CFIA describes an official investigation that considers the affected premises and movements associated with it. Owners may be asked for records that help establish where animals came from and where they have gone. The authority directs the diagnostic work and explains the restrictions and responsibilities that apply. This division of roles matters: the owner’s contribution is accurate information and cooperation, while authorised professionals determine the testing and response. There is no safe shortcut in which an online picture, home test or a self-collected specimen establishes clearance. Wait for the investigating service to explain the outcome and next steps rather than treating a partial update as a final decision. [12]

Official control can involve surveillance, tracing, movement restrictions, designated control areas and, where the authorities decide they are necessary, vaccination or humane destruction of animals. Great Britain’s control strategy sets these measures within national law and explains that the response must address both disease spread and wider consequences. A measure seen during one outbreak is not automatically the plan for another. The number and distribution of affected premises, animal populations and available evidence influence decisions. Owners need clear instructions from the response team, especially when normal activities are interrupted. The government’s role includes determining the response and communicating requirements; it is not appropriate for an owner to improvise an eradication programme. This guide describes the purposes of control without providing treatment, vaccination or animal-destruction procedures. [13]

Prepare a practical farm plan before an emergency

Preparedness is broader than recognising a sick animal. US APHIS provides FMD response resources alongside sector-specific continuity plans for milk, pork and beef production. These materials acknowledge a difficult reality: disease controls can interrupt ordinary business even for premises that have not been confirmed infected. Before an emergency, use the relevant official planning resources with your veterinarian and industry advisers to understand what information and arrangements your operation may need. Think about the people who normally make decisions, the services the farm relies on and where current records are held. A continuity plan is preparation for working within an official response, not advance permission to move animals or products. During an incident, current authority instructions take priority over a farm’s preferred schedule. [14]

CFIA’s national farm biosecurity planning guide describes a whole-farm approach: reduce opportunities for disease to enter, spread within and leave a property. It also stresses that one plan will not fit every operation. A practical plan is developed with the owner, veterinarian and other relevant advisers, then incorporated into everyday work. Written policies have limited value if family members, employees and visitors do not understand them. Review how the plan works during busy periods, staff changes and routine service visits, when assumptions are easiest to miss. Keep responsibilities clear and revisit the plan as the operation changes. The aim is a set of habits people can consistently follow, supported by local requirements and professional advice, rather than a document saved once and never used again. [17]

Great Britain’s disease-prevention guidance highlights animal introductions, shared equipment, visiting vehicles and people moving between farms. It recommends a herd or flock health plan with a veterinarian, suitable arrangements for new or returning stock, and accurate animal identification and records. Visitor policies and clear access arrangements help make expectations understandable before someone reaches livestock areas. Hygiene provisions should be part of the established farm plan, with instructions appropriate to the equipment and setting. A general guide cannot specify a universal product or procedure for every property. If FMD is suspected, the response authority’s directions govern the immediate situation, including anything potentially contaminated. Routine prevention and management of a suspect premises are different contexts; do not assume that yesterday’s normal workflow remains appropriate after a disease report. [15]

Feed, supplies and everyday connections matter

Prevention also involves where animals, feed and other supplies come from. CFIA’s advice to producers applies to small operations and livestock kept as pets as well as large farms. It emphasises careful sourcing and the possibility that visitors or workers could bring contamination on equipment, clothing or food. In Canada, feeding pigs meat, meat products or food containing meat, or allowing pigs access to them, is prohibited. That is a Canadian rule, not a complete statement of feeding law everywhere. Keepers elsewhere should check their own authority’s requirements and discuss acceptable feed sources with their veterinarian. Do not assume that a product safe for people is suitable or lawful to feed to livestock. Household habits can create animal-health risks even when no commercial feed business is involved. [16]

International travel adds another connection that is easy to overlook. Australian traveller guidance asks people to declare rural visits and contact with farm animals, and identifies clothing, footwear, camping gear and livestock equipment as possible biosecurity concerns. It also directs travellers to present declared items for inspection. For someone planning to work on a farm after travel, preparation starts before packing: check the destination’s current official advice and tell the host about relevant animal contact. A cleaned-looking item does not remove the obligation to declare it when the rules require disclosure. National directions about later farm visits must also be checked locally. The purpose is to help border and veterinary staff assess the actual exposure, not to create a personal guess about whether an item is risk-free. [19]

The same caution applies to goods ordered online or sent as gifts. Australia’s guidance on bringing or mailing goods explains that meat import conditions can change quickly in response to animal-disease events and directs users to the official import-conditions system. Packaging, a commercial label or a seller’s willingness to ship does not by itself establish that an item meets the destination’s requirements. Check the product and origin against current official instructions before making plans. This matters even when the purchase is for personal use, because animal-health rules are concerned with what crosses the border and where it might go afterward. Avoid turning a general food-safety statement into an import decision. Questions about a specific consignment belong with the destination’s biosecurity or customs authority. [20]

What vaccination can and cannot do

FMD vaccination is a specialist part of disease control. WOAH’s regional vaccination guidance explains that the virus has distinct serotypes and that protection against one does not automatically protect against another. Differences within a serotype can also affect how well a vaccine matches the virus involved. This is why the word ‘vaccinated’ is incomplete information on its own. Veterinary authorities consider the relevant virus, vaccine quality and the purpose of the programme, alongside surveillance and movement measures. Vaccination can reduce clinical disease and shedding without guaranteeing that infection cannot occur. An animal’s vaccination history therefore does not remove the need to report suspicious illness. Decisions about vaccine choice, eligible animals and implementation belong to the responsible professionals, not to a generic online schedule. [23]

In the United States, APHIS describes a national vaccine bank as a preparedness resource for an FMD emergency. A stockpile gives authorities another response option; it does not mean owners should arrange vaccination independently. APHIS states that it determines how and when to use vaccines according to the circumstances of the outbreak, in coordination with affected industries. Vaccination’s role includes reducing signs and the amount of virus animals shed, but the wider response still needs evidence and controls. Different countries can make different decisions because their disease situations and policies differ. When reading news about a vaccine purchase, distinguish preparedness from a vaccination order. Neither an announcement about supplies nor an experience from another country tells an individual keeper what is authorised on their premises. [24]

Vaccine availability is also a systems issue. EuFMD’s vaccine-security programme focuses on access to suitable, quality-assured vaccines and on the supply arrangements needed when emergencies occur. Its work includes independent quality assessment, attention to manufacturing standards and collaboration across public and private organisations. These activities explain why successful vaccination programmes involve more than obtaining a product with an encouraging label. Governments and veterinary services need confidence in quality, reliable access and an organised programme that can be sustained. For livestock keepers, the useful implication is to seek information through the veterinary authority and established professional channels. Claims that any FMD vaccine is interchangeable, universally protective or a substitute for reporting ignore the decisions that official programmes are designed to make. [25]

Why control programmes differ between countries

FMD affects both animal health and the livelihoods built around livestock. FAO describes losses in production, reduced access to markets and the costs of control, with consequences extending to businesses and rural communities. Its international work combines surveillance, prevention, training, veterinary capacity and support for national programmes. The balance of those activities depends on local needs. A country working to reduce an established disease burden faces different practical questions from a country responding to an unexpected introduction. Both need trustworthy reporting and cooperation with keepers. This is why a global guide should explain principles without pretending there is one universally applicable response timetable. Reading the local authority’s instructions alongside international background is more useful than copying the visible features of an outbreak response from somewhere else. [21]

The Progressive Control Pathway for FMD, developed through FAO and EuFMD and endorsed by WOAH, offers an evidence-based framework for countries where the disease is established. It supports progressive reduction of risk and disease impacts, recognising that countries begin from different positions and that risks vary within them. Its stages are a way to organise national progress, rather than a sequence of home-care steps for one sick animal. Building dependable surveillance, understanding relevant risks and assessing the effect of a programme take sustained work. A country’s progress cannot be inferred from one successful campaign or a brief absence of headlines. For students, the pathway illustrates an important public-health concept: a strategy is judged by evidence of reduced risk over time, with goals suited to the setting. [22]

Information sharing supports that work. WOAH’s World Animal Health Information System, WAHIS, brings together official animal-health information supplied through veterinary authorities. It includes an early-warning function and regular monitoring reports, which answer different questions about disease events and patterns over time. A single alert is therefore not a complete account of a country’s situation. When using a report, check the disease, affected species, location and reporting period before drawing a conclusion. Also distinguish an official event report from an educational example, preparedness exercise or old news article. Publicly available disease information can improve understanding, but the official local service remains the right source for instructions affecting a particular farm. A map or headline is not an individual movement permit or a diagnosis. [30]

Animal welfare and the wider cost of an outbreak

Animal welfare includes an animal’s physical and mental condition, not merely whether it remains alive. WOAH’s welfare framework considers needs such as freedom from hunger, thirst, pain, distress and physical discomfort, together with the ability to express normal behaviour. Applied to an animal-health emergency, those principles make welfare a continuing concern while disease questions are investigated. Keepers should communicate urgent welfare problems to the veterinarian or response team and ask how required care will be maintained within the controls. Staff need clear directions and support when usual routines become difficult. Welfare planning should be visible in the response, rather than treated as a secondary issue after trade or production. It is also a reason to seek qualified help promptly instead of waiting for a visibly distressed animal to improve. [26]

The effects can reach well beyond the farm gate. New Zealand’s MPI describes how an FMD outbreak could reduce work for agricultural service providers, disrupt production and create financial and emotional strain across rural communities. Transporters, processors and other businesses can be affected even when they do not own infected animals. The exact consequences depend on the country and response; there is no universal monetary total or guaranteed recovery period. These wider connections explain why emergency planning includes communication with industry and other public agencies. They also help readers understand that distress during an outbreak is not limited to a balance sheet. Families and workers may be managing uncertainty, disrupted routines and concern for animals at the same time as a loss of ordinary income. [27]

Questions about compensation are understandable, but the answer depends on the jurisdiction and the official action taken. Canada’s FMD response questions explain that compensation for animals ordered destroyed is governed by the Health of Animals Act and prescribed limits. That is different from a promise to replace every cost or loss associated with an outbreak. Before drawing conclusions about financial support, ask the responsible authority which programme applies, what records are needed and where the current terms are published. Keep accurate records as part of ordinary farm management so information is available if requested. Avoid relying on a neighbour’s settlement or a historic news figure as a prediction of an individual entitlement. Reporting animal-health concerns promptly remains essential while financial questions are clarified. [32]

Recovery, official status and checking reliable information

Recovery requires coordination as well as disease control. New Zealand’s FMD readiness material describes planning across government, industry and other partners, with a disease-management strategy that is reviewed as knowledge and standards change. Preparedness exercises and published plans help clarify responsibilities before an emergency; their existence is not evidence that an outbreak has occurred. During a real response, owners should use the current communication channels provided by the authorities and ask who is responsible for answering practical questions about their premises. A published strategy offers context, but implementation depends on the actual incident. The return of ordinary activities should be based on official decisions and the conditions attached to them. A reduction in public attention does not itself demonstrate that all restrictions have ended. [28]

Official disease status is a separate concept from an owner’s observation that animals look well. WOAH operates a formal process for recognising animal-health status, including FMD, and for its suspension and recovery. That process matters to international confidence and trade. An application is assessed against defined requirements rather than granted by a headline or an informal assurance. Equally, formal recognition is not a personal authorisation for every consignment: the relevant importing authority’s requirements still need checking. Readers should be cautious with country lists copied into undated articles because status and applicable conditions can change. For a current decision, consult the official status source and the competent authority, record the date checked, and verify that the geographic area and category actually match the question being asked. [29]