Automated monitoring and detection of disease using a generic facial feature scoring system – A case study on FMD infected cows

Gerben Hofstra, Hilde van Abeelen, Marleen Duindam, Bas Houben, Joris Kuijpers, Tim Arendsen, Mathijs van der Kolk, Felix Rapp, Jessy van Spaendonk, José L. Gonzales, Ronald Petie*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Digital images are becoming more readily available and possibilities for image processing are developing rapidly. This opens the possibility to use digital images to monitor and detect diseases in animals. In this paper we present 1) a generic facial feature scoring system based on seven facial features, 2) manual scores of images of Holstein Frisian heifers during foot-and-mouth disease vaccine efficacy trials and 3) automatic disease scores of the same animals. The automatic scoring system was based on the manual version and trained on annotated images from the manual scoring system. For both systems we found an increase in disease scores three days post infection, followed by a recovery. This temporal pattern matched with observations made by animal caretakers. Importantly, the automatic system was able to discern animals that were protected by the vaccine, and did not develop blisters at the feet, and animals that were not protected. Finally, automatic scores could be used to detect healthy and sick animals with a sensitivity and specificity of 0.94 on the second and third days following infection in an experimental setting. This generic facial feature disease scoring system could be further developed and extended to lactating Holstein Frisian dairy cows, other breeds and other infectious diseases. The system could be applied during animal experiments or, after further development, in a farm setting.

Original languageEnglish
Article number105880
Number of pages8
JournalPreventive Veterinary Medicine
Volume213
DOIs
Publication statusPublished - Apr 2023

Keywords

  • Cattle, face, foot-and-mouth disease
  • Disease detection
  • Disease monitoring
  • Image recognition
  • Images

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