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, but not every day is ideal.

It can be for your animals.

Latest News

April 01 2019

Experience optimal results with new technologies

Be the first to take advantage of new technologies with the adaptable, easy-to-use and next-generation compatible AgriShift® G Controller.  Unlike other dimmers, it is designed to optimize the performance of existing ONCE® technologies and AC lighting fixtures, resulting in significantly less flicker with reduced stress and greater welfare for the animals. Why Optimized Technology Performance is Important Because animals are [...]
October 19 2018

Poultry lighting trends, insights into the role of LEDs

Written by Melanie Epp, for Canadian Poultry Magazine. In caged housing, laying hens respond well to artificial lighting. But as producers transition from traditional cages to aviaries, enriched colonies and free-range systems, questions about lighting will surface. Why is lighting important for poultry? And how do you choose the right lighting for each system? Two poultry […]

October 17 2018

Press Release: ONCE Director of Biological R&D is Speaker at IA Egg Symposium

PLYMOUTH, MN (September 18, 2018) – Dr. Aaron Stephan, Director of Biological R&D at Once Inc. (ONCE), will present Basics of Lighting in Lay Farms at the Iowa Egg Industry Symposium next month. The single-day symposium will touch on an assortment of topics pertaining to layer management including genetics, vaccination, management and flock biosecurity. Stephan will […]