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Development of a foaling alarm system using an accelerometer.

Youngwook Jung¹, Honghee Chang², Minjung Yoon^1,3,4

¹Department of Animal Science and Biotechnology, Kyungpook National University, Sangju 37224, Korea.

Journal of Animal Science and Technology

|February 22, 2023

Summary

A new accelerometer-based foaling alarm system accurately detects birth events in Thoroughbred mares. This system helps breeders by providing timely alerts, reducing economic losses from dystocia and stillbirths.

Keywords:

Accelerometer Behavior Foaling Horse

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Area of Science:

Veterinary Science
Animal Reproduction
Equine Health

Background:

Dystocia, abortion, and stillbirths cause significant economic losses for horse breeders.
Most foaling events in Thoroughbred mares occur overnight (86% from 7 PM to 7 AM), preventing breeders from assisting during dystocia.
Existing foaling alarm systems have limitations and require improvement in accuracy.

Purpose of the Study:

To develop a novel foaling alarm system utilizing accelerometer technology.
To compare the accuracy and performance of the new system against the existing Foalert™ system.

Main Methods:

Eighteen Thoroughbred mares were monitored using an accelerometer to analyze foaling behaviors.
Behavioral data were transmitted wirelessly and classified into three categories based on body rotation changes.
The novel system alarmed when specific behavioral durations exceeded set thresholds within 10-minute intervals.

Main Results:

The novel foaling alarm system detected foaling onset an average of 32.6 minutes before foal expulsion.
The Foalert™ system detected foaling onset an average of 8.6 minutes before foal expulsion.
Both the novel system and Foalert™ achieved a high foaling detection rate of 94.4%.

Conclusions:

The novel foaling alarm system, equipped with an accelerometer, accurately detects and alerts breeders to foaling onset.
This technology offers a promising solution to improve breeder response times during foaling, potentially mitigating complications.
The system's accuracy supports its use in commercial breeding operations to enhance equine reproductive outcomes.