A Dead Broiler Inspection System for Large-Scale Breeding Farms Based on Deep Learning

Hongyun Hao, Peng Fang, Enze Duan, Zhichen Yang, Liangju Wang and Hongying Wang ()
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Hongyun Hao: College of Engineering, China Agriculture University, Beijing 100082, China
Peng Fang: College of Engineering, Jiangxi Agriculture University, Nanchang 330045, China
Enze Duan: Agricultural Facilities and Equipment Research Institute, Jiangsu Academy of Agriculture Sciences, Nanjing 210014, China
Zhichen Yang: College of Engineering, China Agriculture University, Beijing 100082, China
Liangju Wang: College of Engineering, China Agriculture University, Beijing 100082, China
Hongying Wang: College of Engineering, China Agriculture University, Beijing 100082, China

Agriculture, 2022, vol. 12, issue 8, 1-16

Abstract: Stacked cage is the main breeding method of the large-scale farm in China. In broiler farms, dead broiler inspection is a routine task in the breeding process. It refers to the manual inspection of all cages and removal of dead broilers in the broiler house by the breeders every day. However, as the total amount of broilers is huge, the inspection work is not only time-consuming but also laborious. Therefore, a dead broiler inspection system is constructed in this study to replace the manual inspection work. It mainly consists of an autonomous inspection platform and a dead broiler detection model. The automatic inspection platform performs inspections at the speed of 0.2 m/s in the broiler house aisle, and simultaneously collects images of the four-layer broilers. The images are sent to a server and processed by a dead broiler detection model, which was developed based on the YOLOv3 network. A mosaic augment, the Swish function, an spatial pyramid pooling (SPP) module, and complete intersection over union (CIoU) loss are used to improve the YOLOv3 performance. It achieves a 98.6% mean average precision (intersection of union (IoU) = 0.5) and can process images at 0.007 s per frame. The dead broiler detection model is robust to broilers of different ages and can adapt to different lighting conditions. It is deployed on the server with a human–machine interface. By observing the processing results using the human–machine interface, the breeders could directly find the cage position of dead broilers and remove them, which could reduce the workload of breeders and promote the intelligent development of poultry breeding.

Keywords: stacked cage; inspection platform; YOLOv3; CIoU loss; dead broiler; positioning (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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