# Biosecurity Planning for Swine Operations: Risk Assessment and Implementation


## Key Takeaways

- Biosecurity planning for swine operations necessitates a site-specific risk assessment, integrating spatial factors like distance to ports and road access with farm-level vulnerabilities, and must be documented via a biosecurity map and written protocols, as exemplified by the Secure Pork Supply (SPS) framework.
- The quantitative evidence base for the effectiveness of many farm-level biosecurity measures, particularly against foreign animal diseases like Foot-and-Mouth Disease (FMD), is limited, requiring plans to be built on risk-based reasoning and expert consensus rather than solely on measured outcomes.
- Common planning gaps include discrepancies between biosecurity maps and written protocols, and a failure to account for non-commercial pig owners who exhibit lower biosecurity engagement, potentially serving as disease reservoirs.
- Effective biosecurity planning is a component of a broader preparedness continuum, requiring coordination with national animal health authorities (e.g., WOAH standards, USDA APHIS) and addressing all disease introduction pathways including live animal movement, fomites, personnel, feed, wildlife, and aerosols.
- Monitoring parameters such as visitor logs, downtime compliance, and environmental sampling are critical for detecting protocol drift and failure modes like single-point dependencies or the silent erosion of protocols, enabling early corrective action.
- Prioritization of biosecurity investments should focus on interrupting the most probable introduction pathways for regionally significant diseases, with measures like load-out area disinfection and clear lines of separation being paramount, especially when budget constraints exist.

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This article provides a structured framework for veterinarians who design, review, or audit biosecurity plans for commercial swine operations. It addresses the procedural steps of risk assessment, plan development, implementation, and verification, with emphasis on foreign animal disease preparedness. The intended reader is a practicing swine veterinarian who advises producers on herd security and needs a defensible, systematic method for translating disease risk into site-specific protocols.

The content draws on published evaluations of biosecurity planning programs, including the Secure Pork Supply framework, and on international standards for animal health contingency planning. Where the evidence base is limited, particularly regarding the quantitative effectiveness of specific farm-level measures, this is stated explicitly. The article does not cover treatment of disease outbreaks, it focuses exclusively on prevention and preparedness.

## At a Glance

| Parameter | Decision or Fact |
|---|---|
| Primary planning framework | Secure Pork Supply (SPS) voluntary guidelines for US commercial swine sites |
| Core plan components | Biosecurity map plus written protocols, both reviewed against SPS criteria |
| Common planning gap | Producer-made maps and written plans frequently disagree on site features |
| Key spatial risk factors | Distance to port, road access, proximity to other swine sites, local farm density |
| High-risk population | Non-commercial pig owners (home consumption, pets) show lower biosecurity engagement |
| Evidence limitation | Quantitative effectiveness data for many farm-level FMD biosecurity measures are sparse |
| International standard | WOAH Terrestrial Animal Health Code governs trade-related biosecurity expectations |
| Preparedness continuum | Prevention, preparedness, response, recovery, with biosecurity in the first two phases |

## Conceptual Foundations of Swine Biosecurity

Biosecurity planning rests on a simple epidemiological premise: disease introduction requires a pathway, and each pathway can be interrupted. For swine operations, the relevant pathways include live animal movement, contaminated fomites, personnel, feed, wildlife, and aerosols. The veterinarian's task is to identify which pathways pose meaningful risk for a given site and to assign control measures proportional to that risk.

The World Organization for Animal Health publishes international standards for animal health and trade-related disease control in the [WOAH Terrestrial Animal Health Code](https://www.woah.org/en/what-we-do/standards/codes-and-manuals/terrestrial-code-online-access/). These standards establish expectations for surveillance, reporting, and biosecurity that inform national programs. The [USDA APHIS animal health information](https://www.aphis.usda.gov/livestock-poultry-disease) portal provides the corresponding national program structure for the United States, including disease control and surveillance activities that a biosecurity plan must complement.

A biosecurity plan is not a generic document. It is a site-specific instrument that must reflect the physical layout of the farm, the production stage, the local disease environment, and the movement patterns of people, animals, and materials. Generic checklists have value as starting points, but they cannot substitute for a plan built from an actual risk assessment of a specific operation.

## The Secure Pork Supply Framework

The Secure Pork Supply plan is a voluntary framework developed for US swine producers to support business continuity during a foreign animal disease outbreak. A 2024 study evaluated 368 biosecurity maps and 247 written plans submitted by six Midwest swine companies and veterinary clinics, scoring them against SPS guidelines. The study found substantial variation in planning accuracy and identified discrepancies between producer-made maps and written plans, indicating that [swine producer biosecurity planning under the Secure Pork Supply framework](https://pubmed.ncbi.nlm.nih.gov/38737457/) requires active veterinary review to achieve compliance.

The SPS framework requires two linked documents: a biosecurity map and a written biosecurity plan. The map must accurately depict the site perimeter, entry points, line of separation, and functional zones. The written plan must describe protocols for each identified risk pathway. The study's finding that maps and written plans frequently disagree is clinically important. A map that shows a single entry point while the written plan describes a separate receiving area for dead stock indicates a planning failure that will become an operational failure during an outbreak.

For the practicing veterinarian, the lesson is procedural. Review the map against the written plan, and review both against the physical site. Do not accept either document at face value. The SPS review process functions as a quality control mechanism precisely because initial submissions contain errors.

## Risk Assessment Methods and Spatial Tools

Risk assessment for swine biosecurity operates at two scales: regional and farm-level. Regional assessment identifies areas where disease introduction is more likely, which informs movement restrictions and surveillance priorities. Farm-level assessment evaluates the specific vulnerabilities of an individual site.

A 2022 study from Thailand applied multi-criteria decision analysis to map African swine fever introduction risk across the country. The analysis integrated six spatial risk factors, with distance to port carrying the highest weight. The resulting tool combined spatial layers with a farm assessment module designed for smallholder operations and was delivered through a web-based platform for use by local veterinary officers. This [spatial risk assessment integrated with a mobile app for ASF prevention](https://pubmed.ncbi.nlm.nih.gov/35639455/) demonstrates a practical approach that veterinarians can adapt for regional risk profiling.

The spatial factors that matter for swine sites include distance to ports and major roads, density of other swine operations, proximity to wild pig habitat, and local slaughter capacity. These factors are not static. Road construction, new swine sites, and changes in wildlife populations all alter risk over time. The biosecurity plan should include a scheduled reassessment of regional risk factors, also a one-time evaluation at plan creation.

## Evidence Base for Farm-Level Measures

The quantitative evidence supporting specific farm-level biosecurity measures is thinner than most practitioners assume. A scoping review of foot-and-mouth disease biosecurity research identified 22 reports published between 1998 and 2024 that met inclusion criteria for original, peer-reviewed research on farm-level measures in major US livestock species. The review found that [quantitative data supporting the effectiveness of many recommended FMD biosecurity measures is limited](https://pubmed.ncbi.nlm.nih.gov/42339104/). Experimental studies evaluated handwashing, showering, and related hygiene interventions, but many commonly recommended practices lack direct experimental validation.

This evidence gap has practical consequences. The veterinarian cannot cite a published efficacy figure for, say, a 72-hour downtime period or a specific disinfection contact time. The plan must therefore be built on risk-based reasoning and expert consensus instead of on measured outcomes. When presenting a biosecurity plan to a producer, the veterinarian should be transparent about which measures are evidence-supported and which are consensus recommendations. This honesty preserves professional credibility and helps producers prioritize measures with the strongest rationale.

## Preparedness and the Broader Response System

Biosecurity planning does not exist in isolation. It is the prevention component of a larger preparedness continuum that includes surveillance, movement traceability, training, and response capacity. National contingency planning for transboundary animal diseases requires coordination between veterinary authorities, producers, and practitioners, as described in [guidance on preparation of contingency plans](https://pubmed.ncbi.nlm.nih.gov/18201326/) for diseases such as foot-and-mouth disease and classical swine fever.

The veterinarian's role in this system extends beyond the individual farm. A well-designed biosecurity plan contributes to regional disease control by reducing the probability that an infected site will spread disease to neighbors. Conversely, a poorly designed plan at one site can undermine the efforts of surrounding operations. The practitioner should therefore review biosecurity plans with an awareness of the surrounding swine population and the regional movement network.

Zoonotic disease preparedness adds another layer. Animal health authorities must be involved in response planning for emerging zoonotic diseases, and biosecurity measures serve as the first line of prevention for both animal and human health. The [coordination of the animal health component in zoonotic disease preparedness](https://pubmed.ncbi.nlm.nih.gov/22958252/) requires veterinarians to think beyond the herd and consider public health implications of farm-level biosecurity decisions.

## Non-Commercial Operations and Engagement Gaps

Biosecurity planning must account for the full spectrum of swine operations, also large commercial sites. A 2026 survey of pig owners and producers in New South Wales, Australia, found that most respondents kept pigs for home consumption or as pets, and this sector showed lower engagement with biosecurity practices. The study identified gaps in biosecurity knowledge and implementation among [pig owners and producers managing pigs outside large-scale commercial production](https://pubmed.ncbi.nlm.nih.gov/41205423/).

This finding matters for the practicing veterinarian because non-commercial operations can serve as a reservoir for disease introduction and spread. A small backyard herd with minimal biosecurity may be the first site infected in a regional outbreak, and it may lack the surveillance awareness to detect disease early. The veterinarian who serves a mixed practice should apply the same risk assessment framework to small operations, scaled to their complexity, and should recognize that these producers may need more education and simpler protocols than commercial clients.

## Site-Specific Risk Assessment: A Structured Sequence

The transition from general principles to a working biosecurity plan requires a repeatable assessment sequence. Begin with a site walk conducted in the same order every time, starting at the property boundary and moving inward to the animal housing, then outward again through the waste and carcass streams. This directional logic prevents omissions and mirrors the contamination gradient that exists on most farms.

During the walk, document four domains: perimeter and entry control, animal movement pathways, feed and supply chains, and mortality and manure handling. For each domain, record what exists instead of what is ideal. A simple inventory form with yes, no, and not applicable columns works well. Photograph every entry point, every loading area, and every junction between clean and dirty zones. These images become the basis for the biosecurity map required by the [Secure Pork Supply planning framework](https://pubmed.ncbi.nlm.nih.gov/38737457/), which mandates accurate placement of line of separation and line of entry features.

The assessment sequence should include a structured interview with the herd manager and at least one caretaker. Ask how tasks are actually performed, not how they are supposed to be performed. Discrepancies between written plans and daily practice are common, and the quality of implementation varies considerably across personnel and sites. The interview should cover recent animal introductions, visitor frequency, equipment sharing with other farms, and any off-farm contact by staff with other swine operations.

## Decision Points and Thresholds That Change the Plan

Risk assessment produces a list of findings, but the plan requires prioritization. Use a simple two-axis matrix: likelihood of a breach and consequence if a breach occurs. High likelihood and high consequence items are corrected immediately. Low likelihood and high consequence items receive structural controls such as fencing, locks, or dedicated equipment. High likelihood and low consequence items are addressed through training and standard operating procedures.

Several specific findings should trigger immediate plan revision. A shared loading chute without a clear clean-dirty boundary requires redesign before the next load-out. Staff who own pigs at home or who work on other farms need a mandatory downtime period, and the length of that period should be stated in the plan and enforced. Feed delivery that crosses the line of separation demands either a transfer system or a defined disinfection protocol for vehicle wheels and augers.

The production stage changes the risk profile. Breeding herds with incoming gilts face repeated introduction risk and need a robust quarantine and acclimation protocol. Finishing sites have lower introduction frequency but higher pathogen amplification potential, so their plans should emphasize internal movement controls and all-in, all-out discipline. Smallholder and non-commercial operations often lack the infrastructure for these controls, and engagement strategies must account for their lower baseline of biosecurity knowledge and practice.

## The Biosecurity Map and Written Plan

The written plan has two mandatory components: a map and a narrative document. The map must show the line of separation, which divides the premises into clean and dirty zones, and the line of entry, which identifies the single controlled access point for people, animals, and supplies. The [Secure Pork Supply guidelines](https://pubmed.ncbi.nlm.nih.gov/38737457/) specify required map features, and accuracy of placement is a common deficiency in producer-developed plans.

The narrative document should follow a fixed structure so that any reviewer can locate information quickly. Use the following sections:

| Plan Section | Required Content | Common Failure Mode |
|---|---|---|
| Premises identification | Premises ID, site address, production type, inventory | Missing or outdated premises ID |
| Line of separation | Map reference, physical description, access points | Line drawn through high-traffic areas |
| Line of entry | Location, who may cross, what may cross | Multiple uncontrolled entry points |
| Personnel movement | Entry protocol, downtime policy, visitor log | No enforcement mechanism |
| Animal movement | Incoming stock quarantine, load-out procedures | Shared equipment across sites |
| Feed and supplies | Delivery protocol, storage, pest control | Feed spills attracting wildlife |
| Mortality management | Pickup point location, container type, disposal method | Pickup point inside clean zone |
| Manure handling | Storage location, application method, equipment cleaning | Equipment returning from fields without cleaning |
| Training and review | Training schedule, plan review date, responsible person | No assigned owner for the plan |

## Monitoring Parameters and What Each Detects

A biosecurity plan without monitoring is a document, not a control system. Establish parameters that are measurable and tied to specific failure modes. Visitor log completeness detects breakdowns in entry control. Downtime compliance, verified through staff interviews and sign-in records, detects the most common human-mediated transmission pathway. Mortality pickup frequency and carcass condition at pickup detect both disease events and breakdowns in the mortality handling chain.

Feed and water records detect supply chain interruptions and can flag contamination events. Pest activity monitoring, through bait station checks and visual inspection, detects a vector pathway that is frequently underestimated. For farms using the [Secure Pork Supply framework](https://pubmed.ncbi.nlm.nih.gov/38737457/), the plan should specify who reviews each parameter, how often, and what corrective action follows a deviation.

## Equipment and Consumable Selection

The equipment list should be minimal and matched to the site. Boot baths and footbaths are useful only where they can be kept clean and dry, a muddy boot bath is a fomite, not a control. Disposable coveralls and boots are preferred for visitors because they eliminate the cleaning step and the risk of inadequate disinfection. Where reusable equipment is used, the disinfection protocol must specify contact time and concentration, and the responsible person must be named.

Loading areas require dedicated equipment that does not cross back into the clean zone. This includes chutes, boards, and sorting panels. If dedicated equipment is not feasible, the shared equipment must be cleaned and disinfected at the boundary, and the plan must state who performs this task and how it is verified.

## Documentation and Plan Review

The plan is a living document with a defined review cycle. Assign a named responsible person, typically the herd veterinarian or the production manager, and set a review date no later than 12 months from the previous review. The review should include a full site walk, an updated map, and a comparison of the written plan against actual practice.

The [Secure Pork Supply review process](https://pubmed.ncbi.nlm.nih.gov/38737457/) found that producer-developed plans frequently contain inaccuracies in map features and written plan components, which supports the use of a formal review procedure with quality control mechanisms. The review should also incorporate any changes in herd status, facility modifications, or new disease threats in the region. Regional disease intelligence, including the [WOAH terrestrial animal health standards](https://www.woah.org/en/what-we-do/standards/codes-and-manuals/terrestrial-code-online-access/) and national surveillance reports, should inform the risk assessment at each review cycle.

Documentation serves a second purpose beyond internal control. In the event of a foreign animal disease investigation, a current and accurate biosecurity plan demonstrates that the operation has taken reasonable precautions and supports continuity of business decisions. The [Secure Pork Supply framework](https://pubmed.ncbi.nlm.nih.gov/38737457/) is designed to facilitate movement permits and business continuity during an outbreak, and the quality of the written plan directly affects how quickly an operation can resume normal activity.

## Recognized Failure Modes and Early Detection

Biosecurity plans fail through predictable pathways. The most common is the gap between documented intent and daily practice. A written plan may specify line of separation protocols, yet observation of actual traffic reveals routine breaches. The Secure Pork Supply review process found substantial discrepancies between producer-developed biosecurity maps and written plans, with mandatory map features frequently inaccurate or misplaced. Early detection requires scheduled audits that compare the plan against observed behavior, also against the map.

A second failure mode is the single-point dependency. One caretaker, one feed delivery route, or one entry gate becomes the sole control for a critical pathogen pathway. When that point fails, the entire system fails. Detection comes from mapping exercises that ask what happens when each control point is removed. If the answer is that no alternative control exists, the design is fragile.

A third mode is the silent erosion of protocols. Footbaths go unchanged, shower-in times shorten, and visitor logs become retrospective. These changes are rarely deliberate. They emerge from staffing pressure and familiarity. Routine environmental sampling, such as swabbing entry areas and transport loading zones, provides objective evidence of protocol drift before clinical disease appears.

## Common Errors and Corrective Action

Less experienced practitioners often confuse the biosecurity map with the biosecurity plan. The map is a spatial tool. The plan is a set of operational rules tied to specific roles and times. A map without an accompanying written protocol for each line of separation does not constitute a plan. Corrective action is to require both documents and to review them together during site visits.

A second error is designing biosecurity for the disease the practitioner knows best instead of for the site's actual risk profile. A breeding herd with high replacement gilt flow faces different risks than a wean-to-finish site with no animal introductions. Spatial risk assessment tools that integrate distance to ports, road networks, and neighbouring swine density help shift the focus from generic checklists to site-specific pathways. The multi-criteria decision analysis approach developed for African swine fever risk in Thailand demonstrates how spatial layers can be combined with farm-level assessment to rank introduction risk.

A third error is treating internal biosecurity as an afterthought. Plans that address only pathogen introduction but ignore within-herd spread by needles, boots, or movement order will fail during an outbreak. Movement order from youngest to oldest, dedicated equipment per room, and clear separation of clean and dirty zones must be specified in writing.

## Limitations of the Evidence Base

Quantitative data supporting the effectiveness of many farm-level biosecurity measures against foot-and-mouth disease is limited. A scoping review of the peer-reviewed literature identified only 22 reports meeting inclusion criteria, with most recommended measures lacking direct experimental validation. Handwashing and showering protocols have been evaluated experimentally, but many other practices rest on expert opinion and biological plausibility instead of controlled studies.

Expert opinion still differs on several points. The required duration of downtime after a disease event before restocking remains contested. The relative importance of aerosol transmission versus fomite transmission for foot-and-mouth disease virus in different climatic conditions is unresolved. The role of wild pigs in maintaining African swine fever virus in different regions is variable and incompletely characterized. Practitioners should acknowledge these uncertainties when advising clients and should avoid presenting contested recommendations as settled fact.

## Troubleshooting Table

| Observation | Likely Cause | Discriminating Check |
|---|---|---|
| Visitor log entries do not match camera footage | Protocol drift or deliberate non-compliance | Compare timestamps across both records for a 30-day period |
| Environmental swabs from entry area are positive for target pathogen | Line of separation breach or ineffective disinfection | Swab clean and dirty sides separately, verify disinfectant concentration and contact time |
| Mortality rises in one room only | Within-herd spread, not new introduction | Review movement order and needle use for that room, genotype the isolate if available |
| Feed intake drops across multiple sites supplied by one truck | Shared vehicle contamination | Swab trailer interior and boot wells, review wash records and disinfectant logs |
| Written plan and map disagree on line of separation location | Document version mismatch | Walk the line with the site manager and mark the physical boundary |

## Referral, Consultation, and Regulatory Reporting

Referral is warranted when the practitioner lacks the tools or training to complete a spatial risk assessment or when the site's risk profile exceeds their experience. Swine veterinary specialists and veterinary epidemiologists can provide quantitative risk modeling and outbreak response planning. Laboratory involvement is indicated when environmental sampling is needed to verify protocol effectiveness or when a suspect foreign animal disease requires diagnostic confirmation.

Regulatory reporting obligations vary by jurisdiction and disease. Foot-and-mouth disease, African swine fever, and classical swine fever are reportable in most countries, and the practitioner must know the relevant requirements in their region. The World Organization for Animal Health terrestrial animal health standards define notification obligations for listed diseases, and national authorities publish the specific reporting pathways. When a foreign animal disease is suspected, the practitioner should contact the appropriate animal health authority before implementing control measures that could compromise the epidemiological investigation. The Secure Pork Supply framework provides guidance on maintaining business continuity while meeting regulatory requirements during a foreign animal disease response.

## Frequently Asked Questions

### How Should I Prioritize Biosecurity Investments When the Budget Is Fixed?

Prioritize measures that interrupt the most probable introduction pathways for the diseases of greatest regional concern. Movement of live pigs and contaminated fomites consistently rank above airborne spread for most pathogens, so allocate resources first to load-out area disinfection, trailer washing, and a clear line of separation between the barn and the outside. Spatial risk tools can help rank farms by proximity to ports, major roads, and other swine sites, which supports targeted investment instead of uniform spending across all sites. The [Secure Pork Supply planning framework](https://pubmed.ncbi.nlm.nih.gov/38737457/) provides a structured basis for comparing planned measures against accepted standards. When funds are insufficient for full compliance, document the gap and schedule the highest-risk items first.

### What Is the Minimum Acceptable Protocol When a Dedicated Shower Facility Does Not Exist?

A functional line of separation is the minimum requirement. Provide clean boots and coveralls on the clean side, require boot changes at the line, and ensure hand hygiene with an alcohol-based product or soap and water. Footbaths are a weak control and should be refreshed at least daily, but they do not replace boot changes. The [scoping review of farm-level biosecurity measures against foot-and-mouth disease](https://pubmed.ncbi.nlm.nih.gov/42339104/) found limited quantitative evidence for many individual measures, which argues for layering several imperfect controls instead of relying on one. Designate a single entry point, keep the dirty and clean sides physically separated, and train all personnel to follow the sequence in the same order every time. A written protocol posted at the entry point reduces variability between staff members.

### How Do Biosecurity Priorities Differ Between Small Non-Commercial Holdings and Large Production Sites?

Non-commercial holdings often keep pigs for home consumption or as pets, and their owners typically have lower engagement with formal biosecurity concepts. A [survey of pig owners in New South Wales](https://pubmed.ncbi.nlm.nih.gov/41205423/) identified knowledge gaps and implementation barriers in this sector, which suggests that veterinarians should adapt communication to the owner's primary reason for keeping pigs. For small sites, focus on preventing contact with feral pigs, sourcing animals from known-health herds, and isolating new arrivals. Large sites require more elaborate protocols because the consequences of an incursion are amplified by animal density and movement frequency. The same principles apply, but the implementation burden and the cost of failure scale with herd size.

### What Records Should a Swine Operation Keep to Demonstrate Biosecurity Compliance?

Maintain a log of all farm entries, including visitors, vehicles, and deliveries, with dates and the biosecurity steps completed. Keep a health and treatment record for each group of pigs, a mortality log, and a record of new animal introductions with source herd health status. Document cleaning and disinfection of trailers and equipment, and retain the written biosecurity plan and map with their revision dates. These records support both internal review and regulatory engagement during a disease investigation. [National animal health programs](https://www.aphis.usda.gov/livestock-poultry-disease) commonly require traceability information, and a complete entry log is the fastest way to reconstruct potential exposure pathways. Review the records quarterly and correct any gaps before an incident occurs.

### How Do I Explain a Biosecurity Deficiency to a Producer Who Sees It as Unnecessary Expense?

Frame the discussion around production continuity instead of abstract risk. Explain that a foreign animal disease outbreak triggers movement controls and depopulation decisions made by animal health authorities, not by the producer. The [contingency planning guidance for epidemic disease](https://pubmed.ncbi.nlm.nih.gov/18201326/) describes how national response measures, including movement restrictions, apply uniformly across affected regions. A producer who cannot demonstrate biosecurity compliance may face prolonged movement restrictions even if their herd is uninfected. Use the farm's own records to show where the highest-risk gaps are, and propose the least costly corrective action first. Concrete examples of how a single contaminated trailer or visitor could halt shipments are more persuasive than general warnings.

### When Should I Refer a Producer to State or Federal Animal Health Authorities?

Refer when a reportable disease is suspected, when the producer requests official movement permits, or when the operation plans to participate in a formal preparedness program such as the Secure Pork Supply plan. The [USDA APHIS animal health information portal](https://www.aphis.usda.gov/livestock-poultry-disease) lists reportable conditions and provides contact pathways for state veterinarians. Early referral is appropriate whenever clinical signs are consistent with a foreign animal disease, even if the probability seems low, because the cost of a delayed diagnosis far exceeds the cost of a negative investigation. [International standards for disease reporting](https://www.woah.org/en/what-we-do/standards/codes-and-manuals/terrestrial-code-online-access/) also require timely notification of certain findings. When in doubt, call the state veterinarian's office and describe the case without waiting for laboratory confirmation.

## Related Clinical & Scientific Guides

* [Rumen Health Assessment in Dairy Cows: Clinical and Subclinical Indicators](/knowledge/veterinary-medicine/food-animal-medicine/rumen-health-assessment-dairy-cows-clinical-subclinical-indicators)
* [Mastitis Control Programs in Dairy Herds: Monitoring and Prevention](/knowledge/veterinary-medicine/food-animal-medicine/mastitis-control-programs-dairy-herds-monitoring-prevention)
* [Swine Nutrition and Health: Feed-Related Disease Diagnosis](/knowledge/veterinary-medicine/food-animal-medicine/swine-nutrition-health-feed-related-disease-diagnosis)


## References and Further Reading

- [Description of swine producer biosecurity planning for foreign animal disease preparedness using the Secure Pork Supply framework.](https://pubmed.ncbi.nlm.nih.gov/38737457/). 2024.
- [Understanding biosecurity and emergency animal disease preparedness of those involved in the management of pigs in New South Wales, Australia.](https://pubmed.ncbi.nlm.nih.gov/41205423/). 2026.
- [Application of Spatial Risk Assessment Integrated With a Mobile App in Fighting Against the Introduction of African Swine Fever in Pig Farms in Thailand: Development Study.](https://pubmed.ncbi.nlm.nih.gov/35639455/). 2022.
- [A scoping review of farm-level biosecurity measure effectiveness against foot-and-mouth disease to inform planning and preparedness efforts in the United States.](https://pubmed.ncbi.nlm.nih.gov/42339104/). 2026.
- [Emerging and exotic zoonotic disease preparedness and response in the United States - coordination of the animal health component.](https://pubmed.ncbi.nlm.nih.gov/22958252/). 2012.
- [Contingency planning: preparation of contingency plans.](https://pubmed.ncbi.nlm.nih.gov/18201326/). 2008.
- [USDA APHIS Animal Health Information](https://www.aphis.usda.gov/livestock-poultry-disease). USDA APHIS.
- [FAO Animal Production and Health](https://www.fao.org/animal-production/en/). FAO.
- [MSD Veterinary Manual, Professional Edition](https://www.msdvetmanual.com/). MSD Veterinary Manual.

## Related Articles

- [Swine Herd Biosecurity: External and Internal Measures](/knowledge/veterinary-medicine/food-animal-medicine/swine-herd-biosecurity-external-internal-measures)
- [Swine Health Improvement Plan: Biosecurity and Monitoring for Veterinarians](/knowledge/veterinary-medicine/food-animal-medicine/swine-health-improvement-plan-biosecurity-monitoring)
- [Herd Health Plan Design for Beef Cow-Calf Operations](/knowledge/veterinary-medicine/food-animal-medicine/herd-health-plan-design-beef-cow-calf-operations)
- [Poultry Flock Biosecurity: Preventing Disease Introduction and Spread](/knowledge/veterinary-medicine/food-animal-medicine/poultry-flock-biosecurity-preventing-disease-introduction-spread)
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> This article is educational professional reference material for veterinary audiences. It is not a substitute for veterinary diagnosis, individual clinical judgment, current product labeling, or applicable regulatory requirements.