Heart Rate Variability in Cattle with BSE
Author Information
Author(s): Timm Konold, Gemma E Bone, Marion M Simmons
Primary Institution: Animal Health and Veterinary Laboratories Agency
Hypothesis
BSE in cattle causes changes in the autonomic nervous system.
Conclusion
HRV analysis was not useful to distinguish BSE-positive from BSE-negative cattle grouped by gender.
Supporting Evidence
- Statistically significant differences were found for low or high frequency power based on gender.
- HRV indices appeared to be mainly influenced by gender.
- Abnormalities in the electrocardiogram were detected in 3% of the recordings.
Takeaway
The study looked at how the heart rate of cattle changes when they have a disease called BSE, but it found that the heart rate changes didn't help tell if a cow had the disease.
Methodology
The study analyzed heart rate variability from 1048 ECG recordings of cattle, comparing those with BSE to controls.
Potential Biases
Potential bias due to the varied methods of inoculation and the subjective nature of behavior scoring.
Limitations
The study included cattle inoculated by different routes and with different strains, which may affect the results.
Participant Demographics
The study involved 450 adult cattle, primarily Holstein-Friesians, with a mix of genders and BSE statuses.
Statistical Information
P-Value
< 0.0001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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