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Healthier cows with fewer cases of mastitis, metritis, and respiratory disease
Lower vet and treatment costs
Improved fertility and longevity, keeping cows in your herd longer
More profit, with gains that build every generation
By monitoring immunity in your herd, you’re not just treating disease — you’re preventing it.
BOVINE LEUKOSIS
Immunity+® & Bovine Leukosis (BVL)
Bovine leukosis, caused by Bovine Leukemia Virus (BLV), is a chronic viral disease in dairy cattle that often goes unnoticed but has real economic impacts — even when cows don’t show obvious clinical signs.
Estimated Annual Cost/Case:
Range: $20 to $250+ per infected cow per year
Average in most studies: $50–$100 per infected cow per year
Total cost depends heavily on herd BLV prevalence, which can be over 40% in many U.S. herds.
How Immunity+ Helps Fight BLV:- Higher Natural Immune Response
Immunity+ animals have an increased ability to recognize and fight off pathogens, including viruses like BLV. This makes them: - Less likely to become infected
- More likely to suppress the virus if infected
- Lower Disease Progression
Even if high-immune-response cattle become BLV-positive, their immune systems handle the virus better, reducing the risk of progression to serious conditions like lymphoma. - Better Control in Herds
In herds where BLV is present, using Immunity+ genetics:- Reduces prevalence over time
- Slows down transmission
- Minimizes economic losses due to BLV
Summary: Immunity+ helps fight bovine leukosis by:- Selecting cattle with stronger immune systems
- Reducing susceptibility to BLV
- Slowing disease progression
- Improving herd health long-term
It’s not a treatment, but a preventive, genetic tool for herds facing BLV challenges. When combined with biosecurity and testing, it can significantly reduce the impact of bovine leukosis in your herd.
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