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Updated: Mar 12, 2026

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Concept Development and Use of an Automated Food Intake and Eating Behavior Assessment Method
Published on: February 19, 2021
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Evaluation of Eating Posture Detection Artificial Intelligence Models Trained on Different Supervised Datasets and
Tong Meng1, Hiroki Matsuyama1, Shinsuke Konno1
1Faculty of Agriculture, Yamagata University, Yamagata, Japan.
Animal Science Journal = Nihon Chikusan Gakkaiho
|March 11, 2026
Summary
Dataset content significantly impacts Artificial Intelligence (AI) model accuracy for detecting broiler eating postures (EP). Optimizing image inclusion of EP and similar postures (SEP) improves detection and enables accurate real-time feed intake estimation.
Area of Science:
- Agricultural Science
- Artificial Intelligence
- Animal Behavior
Background:
- Accurate monitoring of broiler feeding behavior is crucial for optimizing production efficiency and animal welfare.
- Object detection models using Artificial Intelligence (AI) offer a potential solution for automated behavior analysis.
- The specific content of supervised datasets significantly influences the performance of AI models.
Purpose of the Study:
- To investigate how supervised dataset composition affects the accuracy of an AI model for detecting eating postures (EP) in broilers.
- To evaluate the effectiveness of including similar postures (SEP) and varying numbers of individuals in the dataset.
- To develop and validate a prototype tool for real-time broiler feed intake estimation.
Main Methods:
- Trained an object detection AI model using datasets with varying content related to eating postures (EP) and similar postures (SEP).
- Analyzed the impact of the number of individuals in EP and SEP per image on detection accuracy.
- Developed a prototype tool for real-time feed intake estimation and conducted validation trials.
Main Results:
- Increased individuals in EP did not consistently improve AI model accuracy; varied individual counts in still images enhanced detection.
- Including both EP and SEP, especially in the same image, significantly improved detection accuracy.
- Balanced proportions of images with different numbers of individuals in EP and SEP were necessary for optimal performance.
- The prototype tool achieved a mean absolute error (MAE) of 4.3g and a mean absolute percentage error (MAPE) of 13.3% for feed intake estimation.
Conclusions:
- Dataset composition, including the inclusion of similar postures and balanced individual representation, is critical for accurate AI-based broiler behavior detection.
- The developed tool demonstrates high accuracy for real-time feed intake estimation in broilers.
- These findings contribute to advancing precision livestock farming through AI-driven behavioral monitoring.
Keywords:
artificial intelligencebroilerobject detectionreal‐time feed intake estimation toolsupervised dataset
