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Related Experiment Video

Updated: Jul 17, 2026

Biosensing Motor Neuron Membrane Potential in Live Zebrafish Embryos

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Published on: June 26, 2017

Millimeter Wave-Based Non-Destructive Biosensor System for Live Fish Monitoring.

Meng Wang¹, Yunyue Yang¹, Boyu Mu¹

¹Beijing Laboratory of Food Quality and Safety, College of Engineering, China Agricultural University, Beijing 100083, China.

|July 27, 2022

Summary

A new non-destructive system monitors live grouper breathing rates during waterless transport. This innovation aids in assessing stress and improving survival rates for aquatic products.

Keywords:

breathing rate grouper millimeter wave radar non-destructive waterless transportation

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Area of Science:

Aquaculture
Animal Welfare
Biomedical Engineering

Background:

Waterless transportation of live grouper offers economic and environmental benefits.
Intelligent monitoring and survival rate improvement remain technical challenges.
Stress response, indicated by breathing rate, is crucial for grouper survival during transport.

Purpose of the Study:

To develop a non-destructive system for real-time monitoring of live grouper breathing rates.
To provide a more accurate and less invasive method for assessing stress in aquatic products.
To simplify the study of stress responses in live aquatic transportation.

Main Methods:

A novel breathing monitoring system utilizing millimeter wave radar was designed.
The radar sensor is placed on the incubator's inner wall, facing the grouper's gills.
This approach enables completely non-destructive, real-time breathing rate measurement.

Main Results:

The system successfully monitors breathing rate in real-time without physical contact.
It offers a non-invasive alternative to conventional gill-sensor methods.
The developed system has the potential to detect additional parameters in the future.

Conclusions:

The non-destructive millimeter wave radar system provides an effective solution for monitoring grouper breathing during waterless transport.
This technology can significantly improve the assessment of stress and enhance survival rates.
The system offers a simplified and advanced approach for studying stress responses in aquaculture.