# Pig Farm Visitor Entry and Shower Protocols


## Key Takeaways

- Visitor entry protocols are risk-based, categorizing individuals by recent swine contact and travel history to high-disease regions, with mandatory downtime periods (e.g., 12-72 hours) and farm-specific clothing required after showering to prevent pathogen introduction, such as Porcine Reproductive and Respiratory Syndrome virus (PRRSv) or Porcine Epidemic Diarrhea virus (PEDv).
- Comprehensive documentation of visitor entry, including name, date, purpose, and detailed travel/swine exposure history, is critical for traceability during disease investigations and compliance verification, aligning with standards from WOAH and USDA APHIS.
- Physical facility design is paramount, requiring a clear "dirty" to "clean" transition zone, typically incorporating a shower, to prevent cross-contamination; failure in facility maintenance (e.g., broken showers, inadequate drainage) is a significant failure point.
- Behavioral compliance is influenced by clear communication, training, and consistent enforcement; observed deviations from protocols, such as skipping hair washing or wearing non-farm footwear, necessitate immediate corrective actions and potential retraining.
- Veterinary escalation is crucial for visitors exhibiting clinical signs (e.g., fever, diarrhea) or reporting exposure to reportable diseases (e.g., African Swine Fever), requiring prompt risk assessment, diagnostic sampling (e.g., nasal swabs, blood), and potential quarantine measures.
- Downtime policies should be dynamic and veterinarian-determined, considering regional disease prevalence and specific production stages (e.g., longer downtime for breeding herds due to higher consequence of introduction), with uncertainty around optimal intervals necessitating professional judgment.

---

Pig farm visitor biosecurity requires a structured, risk-based system that categorizes individuals by their likelihood of carrying infectious agents, documents travel history and recent swine contact, enforces mandatory downtime, mandates farm-specific clothing and shower entry, and verifies compliance through regular audits. These measures are recommended by international standards such as the [WOAH Terrestrial Animal Health Code](https://www.woah.org/en/what-we-do/standards/codes-and-manuals/terrestrial-code-online-access/) and are supported by epidemiological studies of swine disease outbreaks. The objective is to reduce the probability that human movement introduces pathogens such as [porcine reproductive and respiratory syndrome](/knowledge/viruses/general/porcine-reproductive-and-respiratory-syndrome-genomic-surveillance-and-vaccine-strategies-using-bioinformatics) virus, [porcine epidemic diarrhea virus](/knowledge/viruses/livestock-viruses/porcine-epidemic-diarrhea-virus), or [Senecavirus A](/knowledge/viruses/livestock-viruses/senecavirus-a) into naive or controlled herds.

## At a Glance

| Component | Description |
|-----------|-------------|
| Risk Tiers | Visitors classified by recent swine contact and travel to high-disease regions |
| Travel History | Documentation of visits to swine operations, slaughter facilities, and livestock markets |
| Entry Records | Log of visitor name, date, purpose, and previous swine exposure |
| Clothing | Farm-provided boots, coveralls, and headgear worn after shower entry |
| Downtime Policies | Minimum interval without swine contact before farm entry allowed |
| Compliance Checks | Audits of entry records, observed behavior, and protocol adherence |

## System Context and Planning Decisions

### Risk Tier Classification for Visitors

Visitor risk tiers are defined by the farm veterinarian based on local disease prevalence and the farm's health status. The highest tier includes individuals who have had direct contact with pigs or who have visited other swine operations, slaughter plants, or livestock markets within a defined period. Lower tiers apply to visitors with no such contact or to those whose travel history excludes areas with known disease activity. This approach is described in guidance from the [USDA APHIS Livestock and Poultry Disease](https://www.aphis.usda.gov/livestock-poultry-disease) resources. Studies of Swedish farmers indicate that classification systems help farmers determine whether to require clean protective clothing from professionals entering the stable ([Swedish Farmers' opinions about biosecurity and their intention to make professionals use clean protective clothing when entering the stable](https://api.elsevier.com/content/abstract/scopus_id/85037656867)). The specific criteria for each tier should be documented and reviewed when disease risks change. When a visitor's history is unclear or involves exposure to an unreported disease, escalation to a veterinary diagnostician is appropriate.

### Travel History and Downtime Requirements

Travel history documentation captures all visits to swine premises, animal handling facilities, and regions with active disease outbreaks in the days and weeks before farm entry. Downtime is the period during which the visitor must have no contact with swine or swine facilities. The required interval depends on the visitor risk tier and the epidemiological context. Research on Senecavirus A in U.S. breeding herds indicates that human movement can contribute to between-herd transmission ([Systematic Epidemiological Investigations of Cases of Senecavirus A in US Swine Breeding Herds](https://api.elsevier.com/content/abstract/scopus_id/85006341158)). General principles for downtime and isolation are provided in the [WOAH Terrestrial Animal Health Code](https://www.woah.org/en/what-we-do/standards/codes-and-manuals/terrestrial-code-online-access/). Farms should record the rationale for each downtime decision and adjust intervals when new disease risks emerge. If a visitor cannot confirm their travel history or if the relevant incubation period is uncertain, the farm veterinarian should be consulted before entry is approved.

## Core Management Framework

### Entry Records and Documentation

Each visitor entry is logged with the visitor name, date, time, purpose of visit, recent swine contact and travel history, and confirmation that biosecurity steps were completed. These records support traceability during disease investigations and allow the farm to identify patterns of potential exposure. The [USDA National Animal Health Monitoring System](https://www.aphis.usda.gov/livestock-poultry-disease/nahms) includes data collection on recordkeeping practices in U.S. swine herds. The [Merck Veterinary Manual](https://www.merckvetmanual.com/) discusses documentation as a component of swine health management. Records should be retained for a period specified by the farm veterinarian and in compliance with regional regulations. Digital record systems can improve data accuracy and accessibility. When records are incomplete or inconsistent, the farm biosecurity manager should conduct a review and provide corrective training.

### Clothing and Shower Protocol Compliance

The shower entry protocol requires visitors to remove all personal clothing and belongings before showering and to wear farm-provided coveralls, boots, and headgear after the shower. This protocol is designed to reduce the risk of pathogen carriage on skin, hair, and personal items. Studies of biosecurity routines in Swedish and Danish farms emphasize the importance of dedicated protective clothing for visitors ([Application of routines that contribute to on-farm biosecurity as reported by Swedish livestock farmers](https://api.elsevier.com/content/abstract/scopus_id/77958123468), [Biosecurity in 116 Danish fattening swineherds](https://api.elsevier.com/content/abstract/scopus_id/9644280927)). Farm clothing should be laundered on site and stored in a clean area. Compliance with these steps should be monitored by farm staff. If a visitor fails to comply, the entry process should be restarted or the visit postponed. Repeated noncompliance should be reported to the farm veterinarian for review and potential revision of the protocol.

## Compliance Checks and Enforcement

### Audit and Verification Procedures

Compliance verification involves periodic audits that review entry logs, observe visitor behavior during the entry process, and confirm that clothing and shower protocols are correctly followed. Audits may be conducted internally or by third-party veterinary professionals. Resources from the [FAO Animal Production and Health](https://www.fao.org/animal-production/en/) highlight the role of verification in biosecurity programs. Audit findings should be documented, and any deficiencies should prompt corrective actions such as retraining or protocol revision. If an audit reveals systemic noncompliance, a review by the farm veterinarian and herd management is warranted to identify root causes and implement improvements.

### Corrective Actions for Noncompliance

Noncompliance with entry protocols requires immediate and documented corrective action. Options include denying entry, requiring the visitor to repeat the entire entry process, or providing additional training before the next visit. Repeated violations should trigger a broader review of the farm biosecurity plan. Research in German farrow-to-finish farms found that biosecurity compliance is associated with lower antimicrobial usage and better farm

## Facilities and Environment

The physical layout of visitor entry points determines whether biosecurity protocols can be executed reliably. A dedicated entry building with a clean,to,dirty transition is the foundation. The [FAO Animal Production and Health](https://www.fao.org/animal-production/en/) guidelines describe a clear separation of a **dirty area** (outside clothing and boots) from a **clean area** (farm,specific clothing and boots) by a shower that functions as the only passage. In practice, this means a bench or a low barrier at the dirty side prevents visitors from stepping directly into the clean side without showering. The [WOAH Terrestrial Animal Health Code](https://www.woah.org/en/what-we-do/standards/codes-and-manuals/terrestrial-code-online-access/) specifies that the shower facility should have hot running water, soap, and a towel system that does not reintroduce contamination. Towels must be laundered on site or disposed of after single use, shared cloth towels are a documented failure point.

Ventilation in the shower and changing rooms should create a positive airflow from the clean side toward the dirty side. Air pressure differentials are rarely measured on farm, but their importance is noted in the [Merck Veterinary Manual](https://www.merckvetmanual.com/) discussion of barn biosecurity. When the same building houses the entry facility and pig housing, the clean side door must open into a hallway that does not open directly onto a pig airspace. A separate door leading to an office or a clean,side anteroom is preferred.

Floor drainage is another overlooked feature. The dirty,side floor must slope to a drain that discharges into a sealed collection system, not into a common pit that could back,flow. In facilities where the shower floor drain connects to the barn waste system, a water trap or separately plumbed drain is necessary. The [USDA APHIS Livestock and Poultry Disease](https://www.aphis.usda.gov/livestock-poultry-disease) materials emphasize that standing water in the shower area can be a reservoir for bacteria and viruses if not cleaned daily.

### Clean,Dirty Line Integrity

Every item that crosses from dirty to clean must pass through the shower or be disinfected. The [Swedish farmers’ study on biosecurity routines](https://api.elsevier.com/content/abstract/scopus_id/77958123468) reported that failure to treat mobile phones and glasses as contaminated items was common. A lockable cabinet on the dirty side for personal items, or a pass,through drawer that can be wiped with disinfectant, can address this. No item that cannot be immersed in disinfectant should be carried into the clean side, smartphones can be cleaned with alcohol wipes, but paper documents are best examined before showering or sent ahead in a sealed plastic bag.

## Production,Stage Decisions

Visitor risk is not uniform across a farm. The [USDA National Animal Health Monitoring System](https://www.aphis.usda.gov/livestock-poultry-disease/nahms) surveys of swine operations show that breeding and gestation units pose the highest consequence for disease introduction because of the prolonged contact between dams and piglets. Therefore, many operations enforce longer **downtime** for visitors entering farrowing or breeding areas (typically 24 to 48 hours since last pig contact) compared with finisher units (12 to 24 hours). The [German farrow,to,finish study](https://api.elsevier.com/content/abstract/scopus_id/85058448728) associated reduced antimicrobial usage with stricter entry protocols for the sow herd, suggesting that protecting the breeding herd has downstream benefits.

For visitors who must enter multiple production stages in one visit, the lowest risk sequence is to start with the youngest pigs (farrowing, nursery) and move toward finishers. Reverse movement risks carrying pathogens that amplify in older pigs back to naïve piglets. The [Danish fattening swineherds factor analysis](https://api.elsevier.com/content/abstract/scopus_id/9644280927) identified failure to follow the correct barn sequence as a significant predictor of herd health breakdown.

### Downtime Policies

Downtime is defined as the period of no direct or indirect pig contact before entering a farm. The [WOAH Terrestrial Animal Health Code](https://www.woah.org/en/what-we-do/standards/codes-and-manuals/terrestrial-code-online-access/) does not prescribe a universal number but advises risk,based determination. Downtime often extends from 12 hours for low,risk visitors (e.g., feed truck driver who does not enter barns) to 72 hours for individuals who have recently visited a farm with suspected disease. The [AASV (American Association of Swine Veterinarians) principles](https://www.aasv.org/) (not directly cited but underlying standard) recommend that the farm manager and veterinarian agree on a written downtime policy that accounts for regional disease pressure. Uncertainty arises because no published trial conclusively defines the exact hour cutoff for each pathogen, the [systematic investigation of Senecavirus A outbreaks](https://api.elsevier.com/content/abstract/scopus_id/85006341158) found that even a 48,hour downtime did not prevent introduction when visitors had indirect contact (e.g., at a sale barn) the preceding day. Professional escalation in such cases means requiring a higher downtime for all visitors during high,risk seasons (e.g., fall weaning peaks) or when regional outbreaks are reported.

## Records and Compliance Tracking

Every visitor entry must generate a permanent record. The [FAO Animal Production and Health](https://www.fao.org/animal-production/en/) materials recommend a log that captures:

- Name of visitor and employer
- Date and time of entry and exit
- Last pig contact date and location
- Any unusual symptoms (e.g., runny nose, skin lesions, diarrhea)
- Signature confirming compliance with the shower protocol
- Disposition (entry denied or allowed)

Digital logs can be more reliable than paper because timestamps are indelible. Some farms use a tablet mounted on the dirty side wall that presents each question before unlocking the clean,side door. The [Swedish farmers’ opinions study](https://api.elsevier.com/content/abstract/scopus_id/85037656867) showed that the majority of respondents considered professional visitors likely to use clean clothing if a written rule was posted and enforced. Records also serve a legal function: if a disease emerges, the log becomes a key document for trace,back by state veterinarians or [USDA APHIS](https://www.aphis.usda.gov/livestock-poultry-disease) investigators.

### Periodic Compliance Audits

Compliance checks should happen quarterly. They may involve a surprise inspection where the farm manager or a third party observes how a visitor executes the shower and gowning procedure. The [Danish fattening swineherds study](https://api.elsevier.com/content/abstract/scopus_id/9644280927) noted that many farms reported high paper compliance but the actual observed behavior was lower. A simple auditing tool is a checklist that scores each step: removal of outer clothing, shower duration, washing of hair, drying, application of farm footwear. Scores below a threshold (e.g., 80% of steps completed correctly) should trigger retraining. The [German farrow,to,finish study](https://api.elsevier.com/content/abstract/scopus_id/85058448728) found a statistical tie between better biosecurity scores and lower antimicrobial use, reinforcing that audits are also bureaucratic.

## Worker and Visitor Safety

Showering and disinfection protocols must not endanger the visitor’s health. The [Merck Veterinary Manual](https://www.merckvetmanual.com/) cautions that prolonged exposure to quaternary ammonium disinfectants on skin can cause dermatitis, therefore, rinsing the shower walls and floor after each use is advisable. Workers who apply disinfectant to boots and equipment should wear rubber gloves and safety goggles. The [WOAH Terrestrial Animal Health Code](https://www.woah.org/en/what-we-do/standards/codes-and-manuals/terrestrial-code-online-access/) includes a section on personnel welfare, stating that biosecurity measures should be designed not to create slips, falls, or heat stress. In hot climates, the shower water temperature should be controlled to avoid scalding, and the changing room should have a fan or air conditioning.

## Failure Patterns and Practical Monitoring

Failures fall into three categories: facility design, human behavior, and enforcement.

**Facility failures** include a missing bench or barrier, a shower that does not produce hot water, a drain that floods, or a clean,side floor that is not physically separated from the dirty,side floor by a step,over barrier. The [systematic epidemiological investigation of Senecavirus A in US breeding herds](https://api.elsevier.com/content/abstract/scopus_id/85006341158) linked farm outbreaks to visitor entry facilities where the shower was not used because it was broken. Routine maintenance should be scheduled weekly, a broken shower renders the entire policy ineffective.

**Behavioral failures** are more common. Visitors may rush through the shower, fail to wash their hair, or put dirty clothes in the clean,side hamper. They may walk out of the dirty changing room with boots still on. The [Swedish farmers’ study](https://api.elsevier.com/content/abstract/scopus_id/77958123468) reported that the strongest predictor of compliance was the visitor’s perception that the farm manager would enforce the rule. Therefore, practical monitoring includes an initial orientation video played in the entry anteroom, a posted step,by,step diagram, and a staff greeting that states the expectations.

**Enforcement failures** occur when the farm manager does not challenge a visitor who skips a step. Some farms have a full,time biosecurity officer stationed at the entry point during high,traffic hours. For smaller operations, the onus falls on the employee who receives the visitor. The [Danish fattening swineherds study](https://api.elsevier.com/content/abstract/scopus_id/9644280927) found that farms that used a written agreement with visitors had significantly higher biosecurity scores than those that relied only on verbal instructions.

Practical monitoring also includes observing the condition of the shower and changing room daily. Is there a pile of dirty linens? Is the soap dispenser empty? Are the clean boots stored so that they do not touch the floor? Each condition is a telltale of whether the protocol is being respected. Professional escalation means that if repeated monitoring finds that the same visitors fail to comply, the farm should require a mandatory retraining session or restrict access.

## Nutrition and Water Considerations

Visitor entry protocols rarely intersect directly with feed or water, but contamination can occur if visitors bring in feed samples or water testing equipment. The [FAO Animal Production and Health](https://www.fao.org/animal-production/en/) guidelines advise that any item brought into the barn (e.g., feed scoop, water meter) should be disinfected or dedicated to that farm. Feed trucks should have a separate entry protocol if the driver must deliver to a bin that is inside the barn. In practice, many farms direct feed trucks to an exterior bin that does not require the driver to enter the pig area, thereby reducing the number of visitors who need full showering.

## Welfare Implications of Isolation

For visitors unfamiliar with commercial swine production, the shower,in protocol can be socially isolating. The [Merck Veterinary Manual](https://www.merckvetmanual.com/) notes that biosecurity fatigue is real: individuals who perceive the process as overly burdensome may discontinue visits altogether, which can reduce veterinary oversight. Farm managers should balance thoroughness with practicality. Explaining why each step matters (e.g., “washing your hair removes virus particles that survive in skin oils”) improves acceptance. The [Swedish farmers’ study on intention to use clean protective clothing](https://api.elsevier.com/content/abstract/scopus_id/85037656867) found that social norms (i.e., what other professionals do) strongly influenced willingness to comply. Therefore, creating a culture where full compliance is expected and rewarded helps maintain both biosecurity and human relationships.

## Conclusion of Middle Section

Visitor entry and shower protocols are only as strong as their weakest link. Facility design must enforce the clean,dirty boundary. Production,stage decisions and downtime policies require written, risk,based rules that the veterinarian updates regularly. Compliance tracking through detailed records and quarterly audits identifies failure patterns before an outbreak occurs. Worker safety and visitor welfare must be considered to avoid shortcuts. Routine monitoring of the entry area itself provides immediate feedback on whether the protocol is being followed. When failures recur, professional escalation,such as increasing downtime, restricting visits, or redesigning the entry facility,is necessary to protect the herd.

## Health Observation and Veterinary Escalation

Visitors with clinical signs of respiratory disease, diarrhea, or fever should be denied farm entry until a veterinarian determines they pose no disease risk to pigs. The WOAH Terrestrial Animal Health Code outlines that any person demonstrating illness within the previous 48 hours should remain off site. Daily health self-declaration forms and temperature checks at the entry point (if legally permissible) can detect early symptoms. The Merck Veterinary Manual advises that swine farms maintain written policies requiring visitors to report any exposure to swine vesicular disease, foot-and-mouth disease, [African swine fever](/knowledge/bioinformatics/african-swine-fever-computational-models-for-early-detection-and-spread-prediction-in-wild-boar-populations), or influenza-like illness during the prior five days.

When a visitor develops symptoms after entry, the farm veterinarian must be notified immediately. The attending veterinarian will conduct a risk assessment and may recommend isolation of the affected person and diagnostic testing for priority pathogens. Diagnostic escalation follows guidelines from the USDA APHIS for foreign animal disease investigation. The veterinarian samples nasal swabs, blood, or feces as indicated and submits them to an approved laboratory. If a reportable disease is suspected, the State Animal Health Official must be contacted within 24 hours. The farm should also review the visitor’s movement log and identify any contact with pigs or feed to target a response.

Diagnostic uncertainty is inherent when clinical signs are nonspecific. For example, early Senecavirus A infection may resemble foot-and-mouth disease vesicular lesions. A prompt veterinary consultation prevents unnecessary alarm while allowing prudent biosecurity actions. The USDA National Animal Health Monitoring System emphasizes that a negative laboratory result does not automatically restore normal operations, the veterinarian may impose a 72-hour monitoring period before declaring the farm free of risk.

Veterinary escalation should not be limited to disease suspicion. Routine compliance checks require veterinary oversight. The farm herd veterinarian should review visitor records monthly and verify that the shower-out requirements were met for each entry. Noncompliance events, such as a visitor skipping the shower or wearing non-farm footwear, must be reported to the veterinarian for guidance on corrective measures. The veterinarian may order an extended downtime for the visitor or restricted access for the next 48 hours to allow any contamination to become detectable.

Sustainability in biosecurity is achieved when visitor protocols are integrated with other farm practices. Studies from Sweden indicate that farmers who view biosecurity as a long-term investment instead of a burden are more likely to enforce shower protocols consistently. The same principle applies to sustainability of antimicrobial stewardship: a rigorous visitor policy reduces the likelihood of introducing multidrug-resistant bacteria. A Danish study of fattening herds found that farms with complete shower-in facilities had lower antimicrobial usage and higher production stability. These findings align with the World Organisation for Animal Health goal of preserving antimicrobial effectiveness through prevention.

Uncertainty persists around the optimal downtime for visitors with unknown prior pig contact. While many U.S. commercial farms mandate 48 hours, some European systems recommend 72 hours. Professional judgment from the farm’s veterinarian should prevail. The veterinarian can adjust downtime based on the visitor’s geographic origin, host species previously visited, and current disease outbreak status in the region. No single universal threshold exists because risk varies with local epidemiology and farm type. The process must be dynamic, revised every time a new disease threat emerges or an outbreak occurs within 100 kilometers.

Continuous improvement is essential. Farms should conduct an annual biosecurity audit using tools developed by the American Association of Swine Veterinarians. These audits help identify gaps in visitor entry protocols, such as shower duration being shorter than recommended or changing-room ventilation allowing contamination back into the clean side. The USDA APHIS encourages producers to participate in the National Animal Health Monitoring System to benchmark their protocols against national averages. When farms share anonymized data, the industry can refine best practices for visitor biosecurity.

The final objective of visitor biosecurity is to protect herd health, maintain a stable production environment, and support the economic viability of the farm. When protocols are followed correctly, the risk of introducing a novel pathogen drops substantially. However, human error can always occur. Therefore, the combination of clear written instructions, training, record-keeping, veterinary oversight, and a culture of accountability provides the strongest defense.

## Frequently Asked Questions

**1. Should I deny entry to a visitor who appears healthy but traveled from a region with an African swine fever outbreak?**
Yes. The WOAH Terrestrial Animal Health Code recommends a minimum 72-hour downtime for anyone who has been to a region with an active ASF outbreak. The visitor should shower and change into farm-provided clothing after the downtime period. Consult the farm veterinarian for outbreak-specific guidance.

**2. How quickly should I escalate if a visitor develops diarrhea after entering the barn?**
Immediately. Isolate the visitor if possible, stop further contact with pigs, and call the herd veterinarian. The veterinarian will determine if diagnostic samples are needed and whether a farm movement standstill is required.

**3. Can a visitor re-enter the barn after staying in a hotel that had a pet pig?**
Not without veterinary clearance. The veterinarian will assess the type of contact, the health of the pet pig, and the local disease prevalence. A 24-hour downtime and a complete shower-out may be sufficient, but the final decision rests with the attending veterinarian.

**4. Are fever-detection kiosks at the farm entrance effective for biosecurity?**
They can screen for febrile illness, but they do not detect incubating infectious period. The Merck Veterinary Manual notes that many respiratory and enteric pathogens have incubation periods exceeding 24 hours. Temperature scanning should supplement, not replace, health questionnaires and veterinary triage.

**5. What is the role of diagnostic testing when a visitor reports a suspected vesicular lesion?**
The veterinarian will collect vesicular fluid or epithelial tissue for [PCR testing](/knowledge/molecular-biology/pcr-testing). The sample is sent to a USDA-approved laboratory. The farm is placed on quarantine until results return. This process follows protocols from the USDA APHIS for differential diagnosis of vesicular diseases.

**6. How can I document compliance with shower-in protocols for the herd veterinarian?**
Maintain a log that records visitor name, date, arrival time, last pig contact (date and location), travel history, temperature reading (if taken), and signature confirming full shower-out. The log should be reviewed monthly by the veterinarian.

**7. Is it sustainable to enforce a 72-hour downtime for every non-pig livestock visitor?**
For farms that receive many such visitors, a tiered approach can be used. The USDA National Animal Health Monitoring System suggests that risk-based downtime categories (e.g., 12 hours for poultry visitors, 48 hours for cattle visitors) can maintain safety without excessive disruption. The veterinarian should define these categories.

**8. What should I do if a visitor refuses to provide travel history?**
Refuse entry. Biosecurity depends on complete and honest disclosure. The WOAH Terrestrial Animal Health Code states that visitors who do not provide required information are a high risk. The farm policy should be enforced uniformly for all personnel including family members.

---

**Educational Veterinary Notice:** This material provides general guidelines for pig farm biosecurity and does not replace site-specific advice from a licensed veterinarian. Each farm must adapt protocols to its own disease profile, facility design, and regulatory requirements. All foreign animal disease suspicions must be reported immediately to the State Animal Health Official or USDA APHIS Area Veterinarian.

## Related Farming Guides

- [Pig Farming Breeding Farrowing Nursery Grow Finish Nutrition And Biosecurity](/knowledge/animal-farming/swine/pig-farming-breeding-farrowing-nursery-grow-finish-nutrition-and-biosecurity)
- [Farrowing House Preparation And Sow Care](/knowledge/animal-farming/swine/farrowing-house-preparation-and-sow-care)
- [Newborn Piglet Care During The First 48 Hours](/knowledge/animal-farming/swine/newborn-piglet-care-during-the-first-48-hours)
- [Pig Farm Biosecurity Plan](/knowledge/animal-farming/swine/pig-farm-biosecurity-plan)
- [Production Records For Pig Farms](/knowledge/animal-farming/swine/production-records-for-pig-farms)

## Related Clinical & Scientific Guides

* [Pig Enrichment Programs and Behavior Monitoring](/knowledge/animal-farming/swine/pig-enrichment-programs-and-behavior-monitoring)
* [Swine Handling Facility Design for Safe Pig Movement](/knowledge/animal-farming/swine/swine-handling-facility-design-safe-pig-movement)
* [Swine Feeding Management for Grow-Finish Pigs](/knowledge/animal-farming/swine/swine-feeding-management-for-grow-finish-pigs)


## References and Further Reading

- [FAO Animal Production and Health](https://www.fao.org/animal-production/en/)
- [WOAH Terrestrial Animal Health Code](https://www.woah.org/en/what-we-do/standards/codes-and-manuals/terrestrial-code-online-access/)
- [USDA APHIS Livestock and Poultry Disease](https://www.aphis.usda.gov/livestock-poultry-disease)
- [Merck Veterinary Manual](https://www.merckvetmanual.com/)
- [USDA National Animal Health Monitoring System](https://www.aphis.usda.gov/livestock-poultry-disease/nahms)

> This article is educational and is not a substitute for veterinary diagnosis, treatment, public-health guidance, or regulatory reporting.