Jumping Chicken

Effect of rearing environment on the development of depth perception in egg-laying hens

Graduate Student: Claire Jones
Date: 2019 – Present

Goals:

    Assess depth perception in egg laying hens using a Y-maze task and visual cliff apparatus.
    Evaluate if rearing environment impacts the development of depth perception.

Lojacked Bovine

Personality Traits in Beef Cattle and how they Relate to Grazing Distribution on Extensive Rangelands

Graduate Student: Maggie Creamer
Date: 2019 – Present

Goals:

    Identify reliable multidimensional personality traits in beef cattle across several contexts
    Relate personality measures to foraging patterns and movement via GPS data

Publications:
Creamer, M. L., Roche, L. M., Horback, K. M., & Saitone, T. L. (2020). Optimising cattle grazing distribution on rangeland: a systematic review and network analysis. The Rangeland Journal41(5), 441-455.


Livestock Informatics Toolkit (LIT)

Graduate Student: Catie McVey
Date: 2019 – Present

Goals:

    Developing Unsupervised Machine Learning (UML) algorithms to visualize and quantify complex behavioral patterns.
    Using Information Theoretic Approaches to reveal the complex relationships between performance on controlled behavioral assays, home pen behaviors recorded by precision manage-met tools, and outcome measures such as health and productivity.

Open Source Code:
https://cgmcvey.github.io/LIT/#references

Publications:
McVey C, Hsieh F, Manriquez D, Pinedo P and Horback K (2020) Mind the Queue: A Case Study in Visualizing Heterogeneous Behavioral Patterns in Livestock Sensor Data Using Unsupervised Machine Learning Techniques. Front. Vet. Sci. 7:523. doi: 10.3389/fvets.2020.00523


Facial Inference Toolkit (FIT)

Graduate Student: Catie McVey
Date: 2019 – Present

Goals:

    Develop algorithmic tools (projective biometrics) to quantify facial structure in livestock
    Developing algorithmic tools to correct for the impact of camera angle on measurements from 2D images of minimally restrained livestock
    Developing algorithmic tools to quantify facial expressions in livestock