Agricultural Lighting

ONCE® animal-centric lighting systems go beyond traditional LEDs by offering a SOLUTION designed to simultaneously improve production and animal welfare.


We research the science of light exclusively for the agricultural market and incorporate the findings into commercial patented technologies.


At ONCE®, we base our technology on decades of proven research so both the animals and your bottom line benefit, leaving you to feel confident with your informed decision.


By incorporating photo-biology into innovative technologies, ONCE® can minimize sudden changes in light and provide natural daylight simulation, reducing animal stress and improving welfare.


Every single day begins with a sunrise and ends with a sunset.

Learn how you can improve animal welfare and experience optimal results by providing them with this natural part of life.

Latest News

July 17 2018

Latest research findings on light applied to poultry production at upcoming

PSA Annual Meeting PLYMOUTH, MN (July 17th, 2018) – Once Inc. (ONCE)  sponsors a symposium entitled, “Novel applications of light applied to poultry production: Influencing growth, behavior and biosecurity” at the 2018 Poultry Science Association (PSA) Annual Meeting this month. The latest research involving lighting and poultry will be presented by seven distinguished speakers from […]

June 20 2018

Agricultural Lighting Leaders Announce Acquisition, Reshaping the Future of the Market

MINNEAPOLIS, MN (June 20, 2018) – ONCE®, the world’s leading supplier of research-based agricultural lighting systems, announced today that it had reached a definitive agreement to acquire Germany-based iLOX GmbH (iLOX®) and its Polish subsidiary iLOX® Sp.z.o.o., an innovative lighting developer for agricultural livestock facilities. This strategic alliance integrates two industry leaders into the world’s largest animal-centric lighting company. “We are […]

June 05 2018

ONCE BioShift chamber stands up to real-world bio-security challenges

PLYMOUTH, MN (June 6, 2018) – ONCE®, the world’s only supplier of research-based agricultural lighting systems, has confirmed their BioShift® Pass-Through Germicidal UV Chamber can efficiently decrease the possibility of a porcine epidemic diarrhea (PED) viral outbreak. While previous research demonstrated the efficacy of the BioShift® to disable PED and Porcine reproductive and respiratory syndrome […]