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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.
JOHNE'S DISEASE
Immunity+® & Johnes
Johne’s disease (paratuberculosis) is a chronic, incurable bacterial infection in dairy cattle caused by Mycobacterium avium subspecies paratuberculosis (MAP). It's slow to show clinical signs, but causes significant economic losses, especially due to:
Reduced milk production
Premature culling
Increased mortality
Lower reproductive performance
Diagnostic and control costs
Estimated Cost of Johne’s Disease/Case:
$200 to $500+ per year
How Immunity+ Helps Fight Johne’s Disease- Stronger Cell-Mediated Immunity+ (CMI)
- Johne’s is an intracellular bacterial infection, meaning it hides inside cells.
- The cell-mediated immune response is the key defense, involving T-cells that detect and destroy infected cells.
- Immunity+ animals have stronger CMI, making them:
- Less likely to get infected
- More capable of containing the infection
- Slower to progress to clinical disease
- Lower Susceptibility in Calves
- Most Johne’s infections occur in young calves exposed to contaminated manure, colostrum, or milk.
- Calves born to Immunity+ dams inherit stronger immune systems, making them:
- Better able to resist early infection
- Less likely to become long-term MAP shedders
- Slower Disease Progression
- In animals that do become infected, a high immune response can:
- Delay the onset of clinical signs
- Reduce the rate and amount of MAP shedding
- Extend productive life and reduce premature culling
- Supports Johne’s Control Programs
- Herds using Immunity+ genetics over time build a more resilient population.
- When combined with biosecurity, testing, and culling, Immunity+ helps:
- Lower overall herd prevalence
- Improve response to control efforts
- Reduce hidden economic losses
Summary: Immunity+ helps fight Johne’s disease by genetically enhancing the immune system — especially the cell-mediated response — giving cows a better chance to resist infection, contain MAP, and stay productive longer. It’s not a silver bullet, but it's a powerful tool when used as part of a complete Johne’s prevention program.
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