Journal
AGRICULTURE-BASEL
Volume 12, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/agriculture12040485
Keywords
behavior identification; cage-reared ducks; deep learning; YoloV5
Categories
Funding
- Fundamental Research Funds for the Central Universities [2662020GXPY005]
- Integrated demonstration of key technologies for high-yield green shell laying duck breeding [2020BBB107]
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This study used machine vision technology for automatic recognition of important behaviors of cage-reared ducks, and found that the neck extension, trampling, and wing spread behaviors of laying ducks significantly increase when they feel panic and fear.
The behavior of cage-reared ducks is an important index to judge the health status of laying ducks. For the automatic recognition task of cage-reared duck behavior based on machine vision, by comparing the detection performance of YoloV4 (you only look once), YoloV5, and Faster-RCNN, this work selected the YoloV5 target detection network with the best performance to identify the three behaviors related to avoidance after a cage-reared duck emergency. The recognition average precision was 98.2% (neck extension), 98.5% (trample), and 98.6% (spreading wings), respectively, and the detection speed was 20.7 FPS. Based on this model, in this work, 10 duck cages were randomly selected, and each duck cage recorded video for 3 min when there were breeders walking in the duck house and no one was walking for more than 20 min. By identifying the generation time and frequency of neck extension out of the cage, trample, and wing spread, it was concluded that the neck extension, trampling, and wing spread behaviors of laying ducks increase significantly when they feel panic and fear. The research provides an efficient, intelligent monitoring method for the behavior analysis of cage-rearing of ducks and provides a basis for the health status judgment and behavior analysis of unmonitored laying ducks in the future.
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