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April 15, 2026Computers and Electronics in AgricultureOpen Access

Individual and autonomous walk-over weighing crate with concentrate feeder – Development and validation of an improved mobile weighing system for sheep

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Authors

HJHendrik JasperFachhochschule KielRKRainer KockFachhochschule KielEHEberhard HartungFachhochschule Kiel

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Overview

Mobile system measures sheep weight autonomously, improving monitoring efficiency in livestock farming.

Key Points

  • The project aimed to develop an efficient and precise system for weighing sheep autonomously without human intervention.
  • Development of a mobile weighing crate powered by solar panels and batteries.
  • Integration of light barriers and pneumatic gates for individual sheep access.
  • Installation of a concentrate feeder to encourage voluntary entry by sheep.
  • Comparison of automatic weights with static reference measurements for validation.
  • Evaluation under real pasture conditions with various sheep.
  • Demonstrated high repeatability with a standard deviation of 0.40 kg and coefficient of variation of 0.48%.
  • Achieved an accuracy of R2 = 0.999 and CCC = 0.999 in weight recording.
  • 32.5% of sheep voluntarily used the system after a brief adaptation period.

Cite This Study

Jasper et al. (2026) studied this question.

synapsesocial.com/papers/69df2c01e4eeef8a2a6b0f97https://doi.org/10.1016/j.compag.2026.111760
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