Use of impact testing to predict softness, cow preference, and hardening over time of stall bases

Journal of Dairy Science
W K Fulwider, R W Palmer

Abstract

The objective of this study was to assess the softness and durability of commercially available free-stall bases, and to determine the relationship of stall base softness to cow preference. Clegg impact values were recorded at the University of Wisconsin-Madison Arlington Agricultural Research Station on June 19, 2002, and again on July 24, 2003. The Clegg Impact Soil Tester (model 95051, Lafayette Instruments, Lafayette, IN) with a 20-kg hammer was used in this study. The impact of the hammer on the free-stall base results in a digital display based on peak deceleration of the hammer's impact with the free-stall base in tens of gravities (CIV/H). The CIV/H value, as measured by the Clegg Impact hammer, is based on peak deceleration of the 20-kg hammer's impact with the surface, from a height of 30 cm. Clegg impact measures were highly correlated with cow preference measurements. This relationship suggests that Clegg impact measures of compressibility were good indicators for predicting stall-base acceptance. A cork mattress, 4 foam mattresses, 4 rubber mattresses, 4 rubber mats, and a waterbed were evaluated in this study. Foam-based mattresses lost cushioning ability faster than rubber mattresses or rubber mats. Clegg impact ...Continue Reading

References

Jul 3, 2003·Journal of Dairy Science·A M Wagner-StorchD W Kammel

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Citations

Jun 22, 2007·Journal of Dairy Science·W K FulwiderB E Rollin
Nov 21, 2007·Journal of Dairy Science·J A FregonesiD M Weary
Jul 20, 2007·Journal of Dairy Science·J RushenA M de Passillé
Sep 29, 2011·Journal of Dairy Science·S van GastelenF J C M van Eerdenburg

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