rumination monitoring as a management tool for early detection of metabolic disorders n. e. engwall,...
TRANSCRIPT
RUMINATION MONITORING AS A MANAGEMENT TOOL FOR EARLY
DETECTION OF METABOLIC DISORDERS
N. E. Engwall, K. N. Carraway
Clemson University
Overview-Rumination
Reduce particle size Enhance digestibility
Increase saliva Buffer rumen
Improve rumen health Happy cows
Source: Memorial University
Overview-Metabolic Disorders Ketosis
10-15% all fresh cows
Displaced Abomasum 80% within first
month lactation Ruminal Acidosis
First 60 days in lactation highest risk
Source: My Dairy Vet
Rumination Monitoring
HR-Tag rumination monitoring system Loggers Readers Software
Source: SCR Engineers Ltd
Monitoring for Metabolic Disorders Transition animals Visual Observation vs.
Rumination Monitoring Trial validates
accuracy Health Report
Run tests to narrow down
Monitor treatment
Source: Progressive Dairy
Limitations and Improvements Must be near the reader Proper placement of tag necessary
Source: SCR Engineers Ltd.
Summary
Rumination monitoring valuable tool HR-Tag replaces visual observer Health Reports detect early signs of
disease Save $ with treatments
References
Progressive Dairyman SCR Engineering Ltd Journal of Dairy Science “Technical note:
Validation of a system for monitoring rumination in dairy cows” (Schirmann et al. 2009)
Hoard’s Dairyman