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Udder skin surface temperature variation pre- and post- milking in dairy cows as determined by infrared thermography

Published online by Cambridge University Press:  22 May 2018

Chunhe Yang ,
Gan Li ,
Xiaojun Zhang  and
Xianhong Gu
Chunhe Yang
Affiliation:
State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, People's Republic of China State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, People's Republic of China
Gan Li
Affiliation:
State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, People's Republic of China
Xiaojun Zhang
Affiliation:
State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, People's Republic of China
Xianhong Gu*
Affiliation:
State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, People's Republic of China
*
*For correspondence; e-mail: guxianhong@vip.sina.com
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Abstract

The objectives of the research reported in this Research Communication were to compare the variation of hind quarter skin surface temperature pre- and post- milking in dairy cows and to determine the optimal time to capture images by infrared thermography for improving the sensitivity and specificity of mastitis detection in dairy cows. Hind quarter infrared images of 102 Holstein dairy cows were captured from the caudal view by an infrared camera pre-milking and post-milking. The udder skin surface temperature was measured with the help of the image processing software. No significant difference was found between the left and right quarter skin surface temperature pre- and post- milking. The hind quarter skin surface temperature pre-milking was not significantly influenced by milk yield, but exhibited a rising trend along with the increase of milk yield. The hind quarter skin surface temperature post-milking was significantly influenced by milk yield. This leads us to conclude that the sensitivity and specificity of IRT in mastitis detection may be influenced by milk yield and it may be better to capture the infrared images of cow udders pre-milking.

Keywords

Infrared imageudder skin temperaturemilk yield
Type
Research Article
Information
Journal of Dairy Research , Volume 85 , Issue 2 , May 2018 , pp. 201 - 203
Copyright
Copyright © Hannah Dairy Research Foundation 2018 

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