A UHF RFID System for Studying Individual Feeding and Nesting Behaviors of Group-Housed Laying Hens

Date
2017-01-01
Authors
Li, Lihua
Zhao, Yang
Xin, Hongwei
Oliveira, Jofran
Liu, Kai
Xin, Hongwei
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Agricultural and Biosystems Engineering
Abstract

Enriched colony housing (ECH) is a relatively new egg production system. As such, information is lacking on design parameters to ensure the well-being of the hens and optimal utilization of housing resources. A new system has been developed at Iowa State University that enables automated monitoring and quantification of feeding and nesting behaviors of individual hens in ECH. Ultra-high-frequency radio frequency identification (UHF RFID) is employed to track individual animals. The UHF RFID system consists of four components: antennas, tags, readers, and a data acquisition system. The antennas for monitoring feeding behavior are placed inside the two feed troughs and covered with plastic boards. Each feed trough has six antennas aligned in series covering the length of the feeder. Four additional antennas are placed inside the nest boxes to monitor the nesting behaviors. All 16 antennas are connected to five 4-channel readers, two per feed trough and one for the nest boxes, that are further connected to the hosting computer via Ethernet. Feed and water consumption and egg production are continuously monitored using load cells. This article describes the development and testing of the RFID system for monitoring feeding and nesting behaviors and provides sample data. The system has proven to be able to characterize benchmark feeding and nesting behaviors of individual hens in ECH, such as daily time spent at the feeder and in the nest box, daily frequency of visiting the feeder and the nest box, number of hens feeding and nesting simultaneously, and variability in these behaviors among individual hens. Future applications of the system include assessing the impact of resource allocation and management practices on feeding and nesting behaviors and on the well-being of the hens. This information will provide a scientific basis for optimal design and management of alternative hen housing systems.

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This article is published as Li, Lihua, Yang Zhao, Jofran Oliveira, Wilco Verhoijsen, Kai Liu, and Hongwei Xin. "A UHF RFID system for studying individual feeding and nesting behaviors of group-housed laying hens." Transactions of the ASABE 60, no. 4 (2017): 1337-1347. DOI: 10.13031/trans.12202. Posted with permission.

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