# Dairy Cow Vaccination Programs: Schedule and Best Practices


## Key Takeaways

- Dairy cow vaccination programs require a risk-based approach, with vaccine selection and scheduling tailored to regional disease prevalence, herd biosecurity, and specific animal life stages (calves, heifers, dry cows, lactating cows), as evidenced by studies on brucellosis seroprevalence and bluetongue virus antibody persistence.
- Proper vaccine storage and handling are critical for maintaining potency, necessitating refrigeration at 2-8°C, protection from light, and avoidance of freezing, with reconstituted vaccines used within 1-2 hours as per manufacturer guidelines.
- Administration techniques must ensure efficacy and minimize adverse reactions, utilizing clean needles (new for each animal), appropriate routes (IM, SQ, intranasal), correct dose volumes, and preferred injection sites in the neck to avoid meat blemishes.
- Accurate record-keeping is paramount for traceability and program evaluation, documenting vaccine type, lot number, administration date, animal ID, route, dose, and withdrawal periods, which aids in monitoring disease incidence and identifying common failure patterns.
- Vaccination is an integral component of a comprehensive biosecurity strategy and does not replace other preventive measures; emerging threats like H5N1 in dairy cattle underscore the need for ongoing surveillance and biosecurity protocols, even in the absence of commercial vaccines.
- Program effectiveness is measured by monitoring disease incidence rates, conducting serological testing (e.g., for Bovine Viral Diarrhea Virus), tracking injection-site reactions, and reviewing reproductive and mortality data, with annual reviews by a veterinarian to adjust schedules based on herd health and emerging risks.

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A dairy cow vaccination program is a planned sequence of vaccine administrations designed to reduce the incidence and severity of infectious diseases within a herd. This article provides a framework for constructing vaccination schedules, proper vaccine storage and handling, administration techniques, and record-keeping practices for dairy operations. The content is intended for dairy farmers and veterinarians designing or reviewing herd health plans. All recommendations must be adapted to local disease prevalence, regulatory requirements, and veterinary guidance.

## At a Glance: Core Components of a Dairy Vaccination Program

| Component | Purpose | Key Considerations |
|-----------|---------|-------------------|
| Schedule design | Match vaccine timing to disease risk and animal life stage | Calves, heifers, dry cows, and lactating cows have different immune needs and withdrawal periods |
| Vaccine storage and handling | Maintain potency from manufacturer to injection | Refrigeration at 2-8°C, protect from light, never freeze, discard expired or damaged vials |
| Administration technique | Ensure effective immune response and minimize injection-site reactions | Use clean needles, proper route (IM, SQ, intranasal), correct dose volume, single-animal needles |
| Record keeping | Document compliance, traceability, and herd immunity status | Vaccine type, lot number, date, animal ID, route, dose, withdrawal date, and observer |

## Disease Risk Assessment and Vaccine Selection

A vaccination program must be based on the specific disease risks present in the region and on the individual farm. No single schedule fits all herds. The veterinarian should conduct a herd risk assessment that considers regional disease prevalence, herd biosecurity status, previous disease history on the farm, neighboring herd disease status, and emerging disease threats.

Regional disease prevalence includes reportable diseases such as brucellosis, for which systematic reviews have documented ongoing seroprevalence in cattle populations globally (Emerging Microbes & Infections, 2024, via PubMed). Vector-borne disease pressure, such as [bluetongue virus](/knowledge/viruses/livestock-viruses/bluetongue-virus), requires attention because long-term persistence of vaccine-elicited neutralizing antibodies has been documented in dairy cattle (Large Animal Review, 2014, via Elsevier Scopus). Emerging disease threats such as [highly pathogenic avian influenza H5N1](/knowledge/bacteria/avian-bacteria/highly-pathogenic-avian-influenza-h5n1-poultry-surveillance-maps) have been documented in dairy cattle with evidence of mammary gland invasion through mouth-to-teat transmission (National Science Review, 2025, via PubMed).

Vaccine selection should target diseases that cause significant economic loss, animal welfare compromise, or public health risk. Common vaccine categories include core vaccines recommended for all herds in a region, risk-based vaccines used when specific diseases are present or likely, and reportable disease vaccines required or regulated by government animal health authorities.

A meta-analysis of mastitis vaccination efficacy in dairy cattle (Open Veterinary Journal, 2023, via PubMed) provides evidence that vaccination can reduce clinical mastitis incidence, though efficacy varies by pathogen and vaccine type. Vaccination using phase I vaccine has been shown effective to control Coxiella burnetii shedding in infected dairy cattle herds (Comparative Immunology Microbiology and Infectious Diseases, 2014, via Elsevier Scopus). For [Mycoplasma bovis](/knowledge/bacteria/livestock-bacteria/mycoplasma-bovis) mastitis, specific diagnostic and control measures are required (Current Research in Microbial Sciences, 2022, via PubMed).

The serological response against foot and mouth disease virus elicited by repeated vaccination of dairy cattle has been studied (Vaccine, 2016, via Elsevier Scopus), and cost-benefit analysis of vaccination against paratuberculosis in dairy cattle has been documented (Veterinary Record, 1996, via Elsevier Scopus). These studies support the use of risk-based vaccination decisions.

## Vaccine Storage and Handling

Improper storage and handling are common causes of vaccine failure. Vaccines are biological products that lose potency when exposed to temperature extremes, light, or contamination.

### Refrigeration and Temperature Monitoring

Store vaccines at 2-8°C in a dedicated refrigerator, not in a refrigerator door where temperature fluctuates. Never freeze vaccines unless specifically labeled for frozen storage. Use a maximum-minimum thermometer and record temperatures daily. If temperature exceeds the recommended range, contact the vaccine manufacturer or veterinarian before using the product. Protect vaccines from direct light, which can degrade modified-live virus vaccines.

### Reconstitution and Use

Reconstitute lyophilized (freeze-dried) vaccines with the diluent provided by the manufacturer. Use reconstituted vaccines within the time specified on the label, typically within one to two hours. Do not mix different vaccines in the same syringe unless specifically labeled for combination use. Discard any unused reconstituted vaccine at the end of the working session.

### Expiration and Disposal

Check expiration dates before each use. Do not use expired vaccines. Dispose of empty vials and unused vaccine according to local regulations for pharmaceutical waste. Never pour vaccines down drains or into water sources.

## Administration Routes and Techniques

The route of administration affects the immune response and the risk of injection-site reactions. Common routes for dairy cattle include intramuscular (IM), subcutaneous (SQ), intranasal, and oral.

### Intramuscular Injection

Inject into the neck muscles, avoiding the round muscle and the top of the neck. Use a 1-1.5 inch needle for adult cattle. The neck region minimizes damage to valuable muscle cuts and reduces the risk of injection-site blemishes in meat.

### Subcutaneous Injection

Inject under the loose skin of the neck or behind the shoulder. Use a 0.5-0.75 inch needle. This route is preferred for many vaccines because it causes less tissue damage and fewer injection-site reactions.

### Intranasal Administration

Administer into the nostril using the applicator provided. This route is used for some respiratory vaccines and can provide rapid local immunity in young calves.

### Oral Administration

Some vaccines are given in feed or water, though this is less common in dairy operations. Oral vaccines require careful monitoring to ensure each animal receives the correct dose.

### Needle Management

Use a new, sterile needle for each animal to prevent blood-borne disease transmission. Change needles immediately if they become contaminated with blood, manure, or dirt. Use the correct needle gauge: 16-18 gauge for adult cattle, 18-20 gauge for calves. Needle length should be appropriate for the route and animal size.

### Injection Site Selection

Inject into the neck region whenever possible. Avoid the rump, thigh, and loin areas to prevent injection-site blemishes in meat. Record the injection site for each animal to monitor for reactions.

## Vaccination Schedule by Life Stage

A vaccination schedule should be developed with the herd veterinarian and reviewed annually. The following is a general framework that must be adapted to local conditions and product labels.

### Calves (Birth to Weaning)

Colostrum management is the first vaccination. Ensure calves receive adequate passive transfer of antibodies. Modified-live virus vaccines for respiratory diseases are often given at 2-4 months of age, depending on maternal antibody interference. Clostridial vaccines may be given at 2-3 months, with a booster at weaning. Intranasal respiratory vaccines can be used in young calves to provide early protection.

### Heifers (Weaning to First Calving)

Booster vaccinations for respiratory and reproductive diseases are typically given at 6-12 months. Pre-breeding vaccinations for leptospirosis and vibriosis may be recommended. Vaccination against diseases that affect the calf through colostrum, such as rotavirus and coronavirus, is often given to heifers before first calving. Paratuberculosis (Johne's disease) vaccination, where available and indicated, is typically given to calves in the first month of life.

### Dry Cows

Vaccinations are often timed during the dry period to boost colostral antibody levels for the newborn calf. Common dry cow vaccines include those for Escherichia coli mastitis, rotavirus, coronavirus, and clostridial diseases. Follow label withdrawal periods for milk and meat.

### Lactating Cows

Vaccinations during lactation must account for milk withdrawal periods. Some vaccines are labeled for use in lactating dairy cattle with zero milk withdrawal. Annual booster vaccinations for core diseases are often given during the early lactation period.

## Records and Measurements

Accurate records are essential for evaluating vaccine efficacy, compliance, and herd immunity. Each vaccination event should be documented with date of vaccination, vaccine product name, manufacturer, lot number, and expiration date, dose volume and route of administration, animal identification (individual ID or group), withdrawal period for milk and meat, name of the person administering the vaccine, and any adverse reactions observed.

### Measuring Program Effectiveness

Monitor disease incidence rates before and after program implementation. Conduct serological testing to verify antibody responses, particularly for diseases like [bovine viral diarrhea virus](/knowledge/viruses/livestock-viruses/bovine-viral-diarrhea-virus), where antibody response to a live-modified virus vaccine has been documented in field trials (Vaccines, 2021, via Elsevier Scopus). Track injection-site reactions and abscess rates. Review abortion rates, calf mortality, and mastitis incidence.

### Record Keeping Systems

| Record Element | Example Entry | Purpose |
|----------------|---------------|---------|
| Animal ID | 1234 | Individual traceability |
| Vaccine product | Bovilis BVD | Product identification |
| Lot number | 789ABC | Batch traceability |
| Date administered | 2025-03-15 | Timing verification |
| Route and dose | IM, 2 mL | Administration verification |
| Withdrawal date | 2025-03-22 | [Food safety](/knowledge/bacteria/livestock-bacteria/cooking-chicken-bacteria-prevention) compliance |
| Administrator | J. Smith | Accountability |

## Common Failure Patterns

Vaccination programs can fail for several reasons. Recognizing these patterns helps in troubleshooting and program adjustment.

### Vaccine Handling Failures

Vaccines left out of refrigeration for extended periods lose potency. Reconstituted vaccines used beyond the recommended time may not provide adequate immunity. Vaccines exposed to freezing temperatures can suffer structural damage. Use of expired vaccines provides no protection.

### Administration Failures

Incorrect route of administration, such as giving an SQ vaccine IM, can reduce efficacy. Needles that are too short deposit vaccine in fat instead of muscle, resulting in poor absorption. Dirty needles cause abscesses and introduce infection. Incomplete dose due to syringe malfunction or animal movement leaves animals under-vaccinated.

### Timing Failures

Vaccinating during periods of high stress or illness reduces immune response. Booster doses given too early or too late fail to maintain protective immunity. Vaccinating calves before maternal antibodies have waned sufficiently results in vaccine neutralization. Failure to vaccinate all animals in the target group leaves gaps in herd immunity.

### Biological Failures

Vaccine strain may not match circulating field strains. The animal may already be incubating the disease at the time of vaccination. Immunosuppression due to stress, poor nutrition, or concurrent disease reduces vaccine response. Genetic variation in immune response among animals can result in some animals not responding adequately.

## Welfare and Safety Context

Vaccination programs must balance disease prevention with animal welfare and worker safety.

### Animal Welfare Considerations

Handle cattle calmly and quietly during vaccination to minimize stress. Use proper restraint to prevent injury to animals and handlers. Rotate injection sites to avoid tissue damage. Monitor for adverse reactions, including anaphylaxis, swelling, and lameness. Report severe reactions to the veterinarian and vaccine manufacturer.

### Worker Safety

Wear appropriate personal protective equipment when handling vaccines, especially modified-live products. Use needle guards and proper disposal containers for used needles. Avoid self-injection. If self-injection occurs, seek medical attention immediately. Wash hands after handling vaccines.

### Food Safety

Observe all milk and meat withdrawal periods specified on the vaccine label. Record withdrawal dates clearly and communicate them to all personnel. Do not vaccinate animals destined for slaughter within the withdrawal period. Use vaccines labeled for lactating dairy cattle when vaccinating milking cows.

## Biosecurity Integration

Vaccination is one component of a comprehensive biosecurity program. It does not replace other disease prevention measures.

Quarantine new animals for at least 30 days and vaccinate them according to the herd schedule before introduction. Vaccinate replacement heifers before they enter the milking herd. Maintain visitor and vehicle protocols to prevent disease introduction. Control wildlife and rodent access to feed and water sources.

The emergence of highly pathogenic [avian influenza H5N1](/knowledge/bacteria/avian-bacteria/avian-influenza-h5n1-global-spread-clinical-manifestations-one-health-surveillance) in dairy cattle (mBio, 2024, via PubMed, Journal of Virology, 2025, via PubMed) highlights the need for ongoing surveillance and biosecurity. While vaccines for H5N1 in cattle are not yet commercially available, biosecurity measures such as limiting contact with wild birds and monitoring for clinical signs are critical.

## Professional Escalation Criteria

Certain situations require immediate veterinary consultation. Disease outbreak despite a complete vaccination program requires investigation of vaccine handling, administration, and strain match. Unusual or severe adverse reactions to vaccination must be reported to the veterinarian and vaccine manufacturer. Suspected vaccine failure in multiple animals warrants serological testing and program review. Introduction of a new disease to the region may require changes to the vaccination schedule. Changes in regulatory requirements for reportable diseases must be incorporated into the program.

Brucellosis seroprevalence concerns require veterinary consultation, as systematic reviews have documented ongoing infection in cattle populations globally (Emerging Microbes & Infections, 2024, via PubMed). [Mycoplasma bovis](/knowledge/bacteria/livestock-bacteria/mycoplasma-bovis) mastitis outbreaks require specific diagnostic and control measures (Current Research in Microbial Sciences, 2022, via PubMed).

The veterinarian should review the vaccination program at least annually and after any disease outbreak or change in herd status.

## Decision Framework for Vaccine Product Selection and Schedule Customization

Selecting the right vaccine products and customizing the schedule for a specific dairy operation requires a structured decision process that goes beyond general recommendations. A systematic framework helps farmers and veterinarians evaluate available products, weigh trade-offs, and document the rationale for each decision. This section provides a practical decision framework that integrates risk assessment, product evaluation, and schedule design into a repeatable process.

### Step 1: Define Disease Priorities Using Herd-Specific Data

Begin by reviewing herd health records from the past 12 to 24 months. Identify the diseases that have caused measurable economic losses through reduced milk production, treatment costs, premature culling, or mortality. Record the number of clinical cases, the production stage affected, and the estimated cost per case. For example, if clinical mastitis cases exceed 25 per 100 cow-months, mastitis vaccination may be a priority, supported by evidence that vaccination can reduce clinical mastitis incidence (Open Veterinary Journal, 2023, via PubMed). If abortion rates exceed 3 percent, investigate infectious causes such as leptospirosis, bovine viral diarrhea virus, or neosporosis before selecting vaccines.

Compare herd data with regional disease prevalence information from veterinary diagnostic laboratories, extension services, and regulatory agencies. For reportable diseases such as brucellosis, systematic reviews have documented ongoing seroprevalence in cattle populations globally (Emerging Microbes & Infections, 2024, via PubMed), making vaccination or surveillance a regulatory priority in affected regions.

### Step 2: Evaluate Vaccine Product Characteristics

For each target disease, compare available vaccine products using the following criteria:

- **Vaccine type**: Modified-live virus (MLV) vaccines generally produce stronger and longer-lasting immunity but carry restrictions for use in pregnant animals and require careful handling. Killed (inactivated) vaccines are safer for pregnant cattle but may require more frequent boosters. The antibody response to a live-modified virus vaccine against bovine viral diarrhea in dairy cattle has been documented in field trials (Vaccines, 2021, via Elsevier Scopus), supporting MLV use in appropriate age groups.

- **Duration of immunity**: Check the label for the claimed duration of protection. Some vaccines provide immunity for 12 months, while others require boosters every six months. For bluetongue virus, long-term persistence of vaccine-elicited neutralizing antibodies has been documented in dairy cattle (Large Animal Review, 2014, via Elsevier Scopus), which may allow extended booster intervals.

- **Withdrawal periods**: For lactating cows, select vaccines with zero milk withdrawal when possible. Record the withdrawal period for each product and ensure compliance.

- **Combination products**: Multivalent vaccines reduce handling time and animal stress but may not provide optimal protection for all components. Discuss with the veterinarian whether a combination product matches the herd's risk profile.

- **Cost-benefit analysis**: Compare the cost per dose plus administration labor against the estimated losses from the target disease. Cost-benefit analysis of vaccination against paratuberculosis in dairy cattle has been documented (Veterinary Record, 1996, via Elsevier Scopus), providing a model for evaluating other vaccines.

### Step 3: Design the Schedule Using Life Stage Windows

Create a calendar-based schedule that assigns specific vaccines to defined life stage windows. Use the following framework:

| Life Stage | Window | Vaccination Goals | Typical Vaccines to Consider |
|------------|--------|-------------------|------------------------------|
| Calf (birth to 2 months) | First 24 hours | Ensure colostrum intake, begin respiratory protection | Intranasal respiratory vaccines, clostridial if endemic |
| Calf (2 to 4 months) | Before maternal antibody wanes | Active immunization for respiratory and enteric diseases | MLV respiratory vaccines, rotavirus-coronavirus |
| Heifer (6 to 12 months) | Pre-breeding | Reproductive disease protection, booster respiratory | Leptospirosis, vibriosis, BVD-IBR booster |
| Heifer (pre-calving) | 3 to 6 weeks before first calving | Colostral antibody transfer, mastitis prevention | E. coli J5, rotavirus-coronavirus, clostridial |
| Dry cow | 3 to 6 weeks before expected calving | Colostral immunity, dry period mastitis prevention | E. coli J5, rotavirus-coronavirus, clostridial |
| Lactating cow | Early lactation (30-60 days in milk) | Annual booster for core diseases | BVD-IBR-lepto booster, clostridial booster |

For each window, specify the target animal group, the vaccine product, the dose volume and route, and the booster interval. The serological response against foot and mouth disease virus elicited by repeated vaccination of dairy cattle (Vaccine, 2016, via Elsevier Scopus) demonstrates that booster timing affects antibody persistence, reinforcing the need for precise scheduling.

### Step 4: Document Decision Rationale

For each vaccine included in the schedule, record the following in a written vaccination protocol:

- Disease target and rationale for inclusion (herd history, regional prevalence, regulatory requirement)
- Vaccine product name, manufacturer, and lot number
- Target animal group and life stage window
- Dose, route, and administration technique
- Booster interval and withdrawal period
- Date of protocol review and veterinarian approval

This documentation supports traceability and provides a basis for annual review. If a vaccine is excluded from the schedule, document the reason (low risk, cost, lack of efficacy evidence, or product unavailability).

### Step 5: Review and Adjust Annually

Schedule an annual review with the veterinarian before the start of the high-risk season for respiratory or reproductive diseases. During the review, compare disease incidence data from the past year with the expected reduction from vaccination. If disease rates have not declined, investigate potential causes using the common failure patterns described in the main article. Emerging disease threats, such as highly pathogenic [avian influenza](/knowledge/bacteria/avian-bacteria/avian-influenza-cdc-global-surveillance) H5N1 in dairy cattle (mBio, 2024, via PubMed, Journal of Virology, 2025, via PubMed), may require schedule adjustments even in the absence of commercial vaccines, through enhanced biosecurity and surveillance.

### Records and Measurements for Decision Tracking

Maintain a vaccine decision log that includes the date of each protocol review, the veterinarian's name and recommendations, and any changes made to the schedule. Use the following record format:

| Review Date | Disease Target | Vaccine Product | Rationale for Inclusion or Exclusion | Veterinarian | Next Review Date |
|-------------|----------------|-----------------|--------------------------------------|--------------|------------------|
| 2025-06-01 | Leptospirosis | Lepto 5-way | Regional prevalence, herd history of abortion | Dr. Smith | 2026-06-01 |
| 2025-06-01 | Mycoplasma bovis | Not included | Low herd prevalence, no commercial vaccine with proven efficacy in this herd | Dr. Smith | 2026-06-01 |

### Common Failure Patterns in Decision Making

- **Over-vaccination**: Including vaccines for diseases that are not present or pose minimal risk wastes resources and increases animal handling stress. Base decisions on herd-specific data, not generic recommendations.

- **Under-vaccination**: Excluding vaccines for diseases with known regional prevalence or regulatory requirements leaves the herd vulnerable. For example, Coxiella burnetii vaccination using phase I vaccine has been shown effective to control shedding in infected dairy cattle herds (Comparative Immunology Microbiology and Infectious Diseases, 2014, via Elsevier Scopus), but only if the disease risk is recognized.

- **Ignoring emerging threats**: The emergence of H5N1 in dairy cattle with evidence of mammary gland invasion through mouth-to-teat transmission (National Science Review, 2025, via PubMed) demonstrates that disease landscapes change. Annual reviews must incorporate new scientific information.

- **Relying solely on vaccination**: Vaccination does not replace biosecurity, nutrition, and management. Mycoplasma bovis mastitis requires specific diagnostic and control measures beyond vaccination (Current Research in Microbial Sciences, 2022, via PubMed).

### Professional Escalation Criteria

Consult the veterinarian if herd disease incidence does not decrease within 12 months of implementing a new vaccination protocol, if multiple animals show poor antibody responses on serological testing, or if a new disease is diagnosed in the herd or region. The veterinarian may recommend serological testing to verify vaccine response, particularly for diseases like bovine viral diarrhea virus where antibody response to vaccination has been documented (Vaccines, 2021, via Elsevier Scopus). For reportable diseases such as brucellosis, regulatory authorities must be notified if seroprevalence is detected (Emerging Microbes & Infections, 2024, via PubMed).

## Frequently Asked Questions

### What vaccines are essential for a dairy herd?

Essential vaccines vary by region and herd risk. Core vaccines typically include bovine viral diarrhea virus, infectious bovine rhinotracheitis, leptospirosis, and clostridial diseases. The herd veterinarian determines which vaccines are essential based on local disease prevalence, regulatory requirements, and farm history.

### How often should dairy cows be vaccinated?

Vaccination frequency depends on the vaccine type and disease risk. Modified-live virus vaccines often require annual boosters, while killed vaccines may require more frequent administration. Some vaccines, such as those for mastitis pathogens, are given at specific times during the dry period or lactation. Follow the label instructions and veterinary recommendations.

### Can I vaccinate pregnant dairy cows?

Many vaccines are labeled for use in pregnant cattle, but some modified-live virus vaccines carry warnings against use during pregnancy. Always check the product label and consult the veterinarian before vaccinating pregnant animals. Vaccination timing during the dry period is common for vaccines that boost colostral immunity.

### What is the milk withdrawal period after vaccination?

Milk withdrawal periods vary by vaccine product. Some vaccines are labeled with zero milk withdrawal, while others require a specific number of days. The withdrawal period is printed on the vaccine label. Record the withdrawal date for each vaccinated animal and ensure milk from treated animals does not enter the bulk tank until the withdrawal period has passed.

### How do I store vaccines on the farm?

Store vaccines in a dedicated refrigerator at 2-8°C. Use a maximum-minimum thermometer and check temperatures daily. Never freeze vaccines unless the label specifies frozen storage. Protect vaccines from light. Discard expired or damaged vials according to local regulations.

### What should I do if a cow has a reaction to a vaccine?

Mild reactions such as local swelling or temporary lethargy are common and usually resolve without treatment. Severe reactions, including difficulty breathing, collapse, or anaphylaxis, require immediate veterinary attention. Report all severe reactions to the veterinarian and the vaccine manufacturer.

### Can I use the same needle for multiple cows?

No. Use a new, sterile needle for each animal to prevent transmission of blood-borne diseases such as bovine leukosis and anaplasmosis. Change needles immediately if they become contaminated with blood, manure, or dirt.

### How do I know if my vaccination program is working?

Monitor disease incidence rates, abortion rates, calf mortality, and mastitis cases. Conduct serological testing to verify antibody responses. Work with the veterinarian to review records and adjust the program as needed. A well-designed vaccination program should reduce disease incidence over time.

## Related Farming Guides

- [Dairy Cow Culling Decisions And Records](/knowledge/animal-farming/dairy-cattle/dairy-cow-culling-decisions-and-records)
- [Beef Cattle Traceability Records](/knowledge/animal-farming/beef-cattle/beef-cattle-traceability-records)
- [Dairy Cow Cooling System Management](/knowledge/animal-farming/dairy-cattle/dairy-cow-cooling-system-management)
- [Beef Cow Calving Difficulty Records](/knowledge/animal-farming/beef-cattle/beef-cow-calving-difficulty-records)
- [How To Design A Comfortable Dairy Cow Barn](/knowledge/animal-farming/dairy-cattle/how-to-design-a-comfortable-dairy-cow-barn)

## Related Clinical & Scientific Guides

* [Evaluating Feed Additives for Dairy Cow Performance](/knowledge/animal-farming/dairy-cattle/evaluating-feed-additives-for-dairy-cow-performance)
* [Dairy Barn Fire Safety: Design and Prevention Measures](/knowledge/animal-farming/dairy-cattle/dairy-barn-fire-safety-design-prevention)
* [Dairy Cow Pregnancy Loss Records and Review](/knowledge/animal-farming/dairy-cattle/dairy-cow-pregnancy-loss-records-and-review)


## References and Further Reading

- [www.nrcs.usda.gov](https://www.nrcs.usda.gov/)
- [www.merckvetmanual.com](https://www.merckvetmanual.com/management-and-nutrition)
- [Avian influenza A (H5N1) virus in dairy cattle: origin, evolution, and cross-species transmission.](https://pubmed.ncbi.nlm.nih.gov/39535188). mBio, 2024.
- [Highly pathogenic avian influenza H5N1: history, current situation, and outlook.](https://pubmed.ncbi.nlm.nih.gov/40145745). Journal of virology, 2025.
- [A meta-analysis of the mastitis vaccination efficacy in dairy cattle.](https://pubmed.ncbi.nlm.nih.gov/37073239). Open veterinary journal, 2023.
- [Brucellosis seroprevalence in cattle in China during 2014-2024: a systematic review and meta-analysis.](https://pubmed.ncbi.nlm.nih.gov/39450582). Emerging microbes & infections, 2024.
- [Mycoplasma bovis Mastitis.](https://pubmed.ncbi.nlm.nih.gov/35909617). Current research in microbial sciences, 2022.
- [H5N1 virus invades the mammary glands of dairy cattle through 'mouth-to-teat' transmission.](https://pubmed.ncbi.nlm.nih.gov/40809875). National science review, 2025.
- [Vaccination using phase I vaccine is effective to control Coxiella burnetii shedding in infected dairy cattle herds](https://doi.org/10.1016/j.cimid.2013.10.002). Comparative Immunology Microbiology and Infectious Diseases, 2014.
- [The serological response against foot and mouth disease virus elicited by repeated vaccination of dairy cattle](https://doi.org/10.1016/j.vaccine.2016.08.054). Vaccine, 2016.
- [Cost-benefit analysis of vaccination against paratuberculosis in dairy cattle](https://api.elsevier.com/content/abstract/scopus_id/0030468880). Veterinary Record, 1996.
- [Antibody response to a live-modified virus vaccine against bovine viral diarrhoea in dairy cattle in a field trial](https://doi.org/10.3390/vaccines9030259). Vaccines, 2021.
- [Long-term persistence of vaccine-elicited bluetongue serotype 8 neutralizing antibodies in dairy cattle](https://api.elsevier.com/content/abstract/scopus_id/84938498180). Large Animal Review, 2014.

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