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Animals (Basel). 2019 Jul 06;9(7). doi: 10.3390/ani9070425.

Validation of Anatomical Sites for the Measurement of Infrared Body Surface Temperature Variation in Response to Handling and Transport.

Animals : an open access journal from MDPI

Luiene M Rocha, Nicolas Devillers, Xavier Maldague, Fidèle Z Kabemba, Julien Fleuret, Fréderic Guay, Luigi Faucitano

Affiliations

  1. Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC J1M 0C8, Canada. [email protected].
  2. Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC J1M 0C8, Canada.
  3. Département de génie électrique, Université Laval, 2325 Rue de l'Université, Quebec, QC G1V A06, Canada.
  4. Département des sciences animales, Université Laval, 2425 Rue de l'Agriculture, Quebec, QC G1V 0A6, Canada.

PMID: 31284574 PMCID: PMC6680931 DOI: 10.3390/ani9070425

Abstract

This study aimed at validating the anatomical sites for the measurement of infrared (IR) body surface temperature as a tool to monitor the pigs' response to handling and transport stress. The selected anatomical sites were the neck (infrared neck temperature-IRNT), rump (infrared rump temperature-IRRT), orbital (infrared orbital temperature-IROT) and behind ears (infrared behind ears temperature-IRBET) regions. A total of 120 pigs were handled from the finishing pen to the loading dock through a handling test course. Two handling types (gentle vs. rough) and number of laps (1 vs. 3) were applied according to a 2 × 2 factorial design. After loading, pigs were transported for 40 min and returned to their home pens. Animal behavior, heart rate, rectal temperature and salivary cortisol concentration were measured for validation. Increased IR body temperature, heart rate and salivary cortisol levels were observed in response to rough handling and longer distance walk (

Keywords: behavior; handling; infrared temperature; physiological response; pigs; stress

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