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Animal Behavior and Welfare
Asian-Australasian Journal of Animal Sciences 2010;23(10): 1364-1368.
DOI: https://doi.org/10.5713/ajas.2010.90507    Published online August 20, 2010.
Comparison of Rectal and Infrared Thermometry for Obtaining Body Temperature of Gnotobiotic Piglets in Conventional Portable Germ Free Facility
Tae-ho Chung, Woo-sung Jung, Eui-hwa Nam, Ji-hyun Kim, Seol-hee Park, Cheol-Yong Hwang
Abstract
Gnotobiotic piglets (n = 10) were hand-reared in conventional germ-free facilities. Piglet body temperatures were measured with rectal and non-contact infrared thermometry (NIFT) on the lower eyelid, auricular center and margin, parietal regions, axilla, central abdomen and dorsum, and the perianal region. Body temperature measurements at central abdomen, cranial dorsum, and perianal regions had NIFT values which had a significant linear relationship (p<0.0001) with rectal thermometry. The predicted equations of between-subject formulas were calculated as follows: rectal temperature, 28.07489+0.30372central abdominal surface temperature; rectal temperature, 34.02799+0.15197central dorsum surface temperature; and rectal temperature, 33.87937+0.15676 perianal temperature. These results suggested that NIFT could serve as a valid alternative to rectal thermometry in a portable germ-free facility without disturbing experimental animals. The development of a NIFT body temperature evaluation that does not require animal restraint is clinically advantageous, particularly in gnotobiotic piglets, and would be significantly less stressful for experimental procedures in germ-free facilities.
Keywords: Gnotobiotic Piglet; Rectal Temperature; Infrared Thermometry; Portable Germ Free Facility
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