Date of Award

1-19-2012

Document Type

Thesis

Degree Name

Agriculture, MSA

First Advisor

William Humphrey

Committee Members

Donald Kennedy; Paul Armah

Call Number

LD251 .A566t 2011 I72

Abstract

This study was designed to determine if infrared thermometers (IRT) can provide temperature measurments at different body locations that are correlated with rectal temperature measurments in beef cattle. Data anaylsis indicated that measurements taken with IRTs were correlated with rectal temperatures taken at the tail and eye. Correlation coefficients between rectal temperatures and IRT temperatures obtained at different distances decreased as the distance increased. Measurements obtained with IRT2 were more highly correlated with rectal temperatures than those obtained using IRT1 because IRT2 has a better D-S Ratio (12:1) than the D-S Ratio (8:1) of IRT1. Of all the external factors evaluated in this study, wind speed and solar radiation had the greatest impact on IRT measurements. As wind speed increased, IRT temperature measurements decreased for measurements taken at both the eye and tail. Solar radiation significantly increased IRT temperature measurements at the tail; however, it did not affect IRT temperature measurements taken at the eye.

Rights Management

Creative Commons Attribution 4.0 International License
This work is licensed under a Creative Commons Attribution 4.0 International License.

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