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Dr Gamaliel Simanungkalit

Postdoctoral Research Fellow in Ruminant Nutrition and Precision Agriculture - School of Environmental and Rural Science

Email: gsimanu2@une.edu.au

Building: Room 02 – W049 (Woolshed Building)

Biography

Dr Gamaliel Simanungkalit earned his PhD from the University of New England (UNE) under the supervision of Professor Roger Hegarty, investigating the use of sensor-based technologies to monitor supplement intake behaviours in grazing cattle. His research primarily focuses on developing models from on-animal and stationary sensor data, such as accelerometer and RFID technology, for monitoring animals at the individual level. Before his current role as a Postdoctoral Research Fellow at UNE, he worked as a Postdoctoral Research Associate at The University of Sydney on a project of strategic supplementation using lick blocks to mitigate methane (CH₄) emissions and improve productivity in grazing cattle. This project employed a range of automated data collection instruments, such as GreenFeed^®, Intergado^®, cowManager^®, Optiweigh^®, and walk-over weighing (WoW) systems. In his current project at UNE, he is responsible for collecting, analysing, and validating data from automated monitoring systems to assess performance and CH₄ emissions of beef cattle, with a particular focus on the GreenFeed^®systemand the open-circuit respiratory chamber, while developing an ultra-high frequency (UHF) RFID system and accelerometers to estimate individual feed intake in grazing cattle.

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