Calf Stress Reduction Study

Findings: 46% reduction in cortisol levels

In this study, twelve calves from a local sale barn, weighing between 350 and 511 pounds, were evaluated over a 60-day period. This group included four non-castrated bull calves and eight heifers. The calves were purchased and transported to a local veterinarian for processing. Six calves were randomly assigned to the treatment group, while the other six served as the control group.

All calves received antibiotic treatment with Dura-Penn and were also wormed and castrated as necessary. The calves in the treatment group received Ramaekers Stocker/Adult Immune Primer on days 1, 2, 3, and 12. Blood samples were collected twice daily (morning and evening) on days 1, 2, 3, 5, 7, 9, and 12. These samples were sent to a local veterinary lab to test for cortisol, T4, and insulin levels.

Calf Stress Reduction Study Results:

The findings showed a remarkable 46% reduction in cortisol levels in the treated calves compared to the control group. Additionally, there was a 43% improvement in diurnal rhythm and a 28% improvement in T4 function by day 5. At the end of the 60-day period, the calves that received treatment had a weight advantage of 60 pounds per head over those in the control group.

Calf Stress Reduction Study, 2005 Chart

Calf Stress Reduction Study Summary

SUMMARY: Reducing the stress response (lowering cortisol levels) leads to improved immune function, resulting in better weight gains and increased profits. This pivotal study underscores the importance of preemptive and preventative natural immunotherapy in preventing disease, promoting health, and consequently enhancing profitability. Our products stand apart from anything currently available on the market.

Performed by: Dr Bob McClung, Tiffin, Ohio, 2005


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These testimonials and case studies are presented for informational purposes only and are not intended as an endorsement of any product. The information is not intended to be a substitute for consulting your local veterinarian. Rather, they offer the reader information written by pet owners and/or veterinarians concerning animal health and products that have shown results.