April 18, 2022
Effect of XTi PAWS on Weight Gain and Feed Intake in an Open-air Feedlot, 2/16/2022 – 4/18/2022
Internal XTi trial in partnership with private feedlot owner
Conclusion: Steers exposed to XTi lighting in an open-air feedlot showed significant improvements in weight gain and feed conversion over 61 days.
Study Objective:
- To evaluate the effect of XTi PAWS on weight gain and feed conversion in an open-air feedlot setting.
Background:
- Previous internal XTi trials had indicated that PAWS lighting can improve weight gain and feed conversion in poultry.
- Previous studies had shown an improvement in measured metrics even when animals under XTi lighting were exposed to ambient light sources.
- Non-invasive strategies to improve stress, animal health, and productivity in the beef industry would have tremendous impacts on animal welfare and financial results.
Methods:
- The study was conducted in an open-air feedlot in eastern Colorado.
- Mixed breed steers were placed into 3 pens. 2 XTi pens (n=145 and n=175), 1 control pen (n=90)
- XTi linear lights were placed along the feed bunk and around water sources.
- Bovine were managed and fed per standard farm operations over 61 days.
- Steers were weighed at the end of 61 days and feed conversion was calculated.
Results:
- Steers under XTi lighting showed a significant increase in weight gain and feed conversion.
- Average starting weights were 621.5 lbs (XTi) and 629 lbs (Control).
- XTi lit steers had an average 41% increase in weight gain per steer/day over control steers.
- Steers under XTi lighting had an average 22% decrease in feed conversion compared to control steers.
Discussion:
- Exposing steers to XTi lighting in an open-air feedlot showed a significant improvement in weight gain and feed conversion over the course of 61 days.
- Animals were not limited to certain areas of the pen and had maximal exposure to XTi lights while at food and water sources.
- These improvements were substantial and showed the benefits of XTi lighting for both the animal and the producer in an outdoor environment.