Disease prevention starts long before a calf shows signs of illness. Daily management decisions—ranging from feeding practices to housing and hygiene—play a major role in calf health, survival, and long-term performance.
Consistent care and attention to detail can significantly reduce illness rates and improve growth and future productivity.
Reduce stress to lower disease risk
Stress is one of the biggest contributors to disease in young calves.
Changes in routine—such as feed transitions, housing moves, or overcrowding—can weaken the immune system and increase the risk of scours and respiratory illness.
Other common stressors include:
- Transporting calves
- Dehorning or tagging
- Improper handling
Minimizing these stress events, or managing them carefully, can help maintain calf health.
Focus on biosecurity and hygiene
Strong biosecurity practices are essential for disease prevention.
Simple daily habits can make a significant difference:
- Wash hands before handling calves
- Wear clean clothing and boots
- Sanitize feeding equipment between uses
- Avoid sharing tools or utensils between calves
Limiting traffic into calf areas is also important. Producers should monitor all people, animals, and equipment entering the facility. Working with a veterinarian to develop a biosecurity plan can help reduce disease introduction and spread.
Start clean at birth
Disease prevention begins at calving.
- Use clean, sanitized maternity pens
- Remove calves from the dam quickly to reduce exposure to manure
- Dry calves with clean towels and clear airways
Managing early exposure is especially important for preventing diseases such as Johne’s, which can spread through contaminated feces or colostrum.
Keep calves separate and monitor closely
Limiting contact between calves reduces disease transmission.
Individual housing or careful grouping allows producers to:
- Monitor calves more closely
- Detect early signs of illness
- Prevent direct contact between animals
Using tools such as a thermometer can help identify early fever before visible symptoms appear.
Maintain clean feeding practices
Feeding equipment is a common source of disease if not managed properly.
- Clean and disinfect bottles, buckets, and nipples after each use
- Avoid using scratched or damaged equipment that can harbour bacteria
- Store equipment in clean, dry areas
Milk, feed, and water containers can quickly become breeding grounds for pathogens if sanitation protocols are inconsistent.
Providing fresh, clean feed and water daily—and keeping them free from manure contamination—also supports calf health.
Manage housing and ventilation
Housing conditions directly affect disease risk.
Good calf housing should:
- Provide proper ventilation without drafts
- Keep calves dry and protected from weather
- Allow easy cleaning and sanitation
Poor ventilation can lead to moisture buildup, harmful gases, and increased respiratory issues. At the same time, excessive drafts can chill calves and reduce their ability to stay healthy.
Maintaining a clean, dry environment reduces the number of pathogens calves must fight, allowing more energy to go toward growth.
Bedding matters
Dry, clean bedding plays a key role in disease prevention.
Proper bedding:
- Absorbs moisture
- Keeps calves clean
- Reduces pathogen exposure
- Improves comfort and reduces stress
Wet or dirty bedding increases the risk of disease and should be replaced regularly.
Nutrition supports immunity
Nutrition is another key factor in disease prevention.
- Feed high-quality colostrum as soon as possible after birth
- Provide consistent, high-quality milk, starter, and water
- Avoid feeding spoiled or contaminated feed
Poor nutrition—especially in early life—can reduce growth rates and increase the risk of illness and future culling.
Work with a nutritionist to ensure feeding programs meet the needs of calves at each stage of development.
Know when to intervene
Early detection and action are critical.
- Isolate sick calves immediately
- Handle and feed them last to prevent spread
- Monitor temperature and behaviour closely
Prompt intervention can limit disease spread and improve recovery outcomes.
A consistent approach makes the difference
There is no single “best” system for raising calves. However, consistent daily management is critical.
A clear calf care protocol—combined with good hygiene, proper nutrition, and careful monitoring—can significantly reduce illness and death rates.
Working closely with a veterinarian and nutritionist can also help refine protocols and address farm-specific challenges.
The long-term payoff
Healthy calves grow more efficiently, enter the milking herd sooner, and reach their production potential.
Investing in disease prevention not only improves calf survival but also supports long-term herd productivity and profitability.
