Why Fertility Problems Might Be a Genetics Problem (Not Just Management)
When fertility performance drops, management is often the first place farmers look.
Nutrition.
Heat detection.
Housing.
Cow comfort.
And while these factors absolutely matter, genetics can often be an overlooked part of the problem. At JMC Genetics, we regularly speak with farmers experiencing fertility challenges who are unknowingly breeding these issues into their herds.The reality is simple: If fertility traits are ignored during sire selection, problems can build over time.
Signs genetics may be contributing to fertility issues
Some warning signs include:
Poor conception rates
More repeat breeders
Longer calving intervals
Increased empty cow numbers
Higher culling rates
Reduced herd lifespan
While management issues may still be present, genetics often plays a major supporting role.
The problem with selecting only for milk yield
For many years, breeding decisions heavily prioritised production.
This often led to cows producing high volumes of milk but struggling in other important areas.
In some herds this contributed to:
Poor fertility
Lower body condition
Increased health issues
Reduced longevity
Modern breeding strategies are now placing far greater emphasis on balance.
Which fertility related traits matter most?
When selecting sires, farmers should consider:
-
How well daughters perform reproductively
-
Reducing calving complications
-
Keeping cows productive for longer
-
Supporting udder health
-
Reducing stress on the animal
These traits all influence long-term fertility outcomes.
Can crossbreeding help fertility?
In many systems, yes. Crossbreeding programmes involving Norwegian Red and Montbéliarde genetics are often introduced to improve:
Fertility
Health
Longevity
Cow robustness
This isn’t a quick fix but it can significantly improve herd performance over time.
Why genetics should be part of your fertility plan
Improving fertility isn’t about fixing one issue.
It requires looking at the entire system:
Nutrition
Cow comfort
Heat detection
Health management
Breeding decisions
Ignoring genetics can limit long-term progress
Building a long-term fertility strategy
The most successful herds tend to:
Use balanced sires
Track performance data
Review breeding goals regularly
Select for longevity as well as production
The goal is not simply to breed cows that milk harder.
It’s to breed cows that remain profitable for longer.
Final thoughts
Fertility challenges are rarely caused by one issue alone but genetics can often be a hidden factor holding herds back. Reviewing your breeding strategy today could improve herd performance for years to come. At JMC Genetics, we help farmers make breeding decisions that support healthier, more profitable herds.
Learn more at JMC Genetics