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Don’t be fooled by claims about copycat self-adhesive heat detection alternatives. ESTROTECT TM Heat Detectors are the original tried-and-true rub-off heat detection tools with millions sold worldwide.

ESTROTECTTM Heat Detectors have always been guaranteed to produce equal or better results thanother heat detection methods. Backed by over a decade of research, field-testing and countless product improvements, ESTROTECTTM Heat Detectors are proven to have the longevity and customer satisfaction that no other self-adhesive heat detection product can match.

Studies have shown that ESTROTECTTM Heat Detectors have shown accuracy greater than 90% when compared to vigorous visual observation and penile deviated bulls.(Source: 2005 South Dakota State University)

Accept no substitutes – ESTROTECTTM Heat Detectors are the proven industry leader in heat detection technology.

Click Here and learn more about
ESTROTECTTM Heat Detectors and
other Innovative Herd Management Tools.

What separates
ESTROTECTTMHeat Detectors from the rest?

  • Over a decade of research, field-tests and countless products improvements
  • Improved adhesive process control – the best product retention
  • Millions sold worldwide
  • The truly original technology
  • Guaranteed positive results or your money back
Mounting Evidence Tm

© 2012. ESTROTECT and Mounting Evidence are trademarks of Rockway, Inc.

*Visit to view the terms of the guarantee.