STgenetics presents EcoFeed: Efficient feed conversion and genetics

Dairy Calf and Heifer Association

Efficient feed conversion plays a key role in production agriculture’s sustainability. Here’s why:
  • Feed costs represent about 51 percent of total dairy farm operating costs, according to the U.S. Department of Agriculture.
  • Efficient feed conversion has a direct impact on dairy cattle’s carbon footprint.
  • Collectively, the dairy industry is working to increase production with fewer inputs as the world population (more mouths to feed) continues to grow.

“The greatest potential for improving profitability and environmental sustainability is to improve the efficiency in which dairy cattle convert feed into products suitable for human nutrition,” says Jocelyn Johnson of STgenetics. “Selecting and breeding animals that produce the same amount of milk on less feed is a necessary solution for economic sustainability in the dairy industry.”

“With these goals in mind, it behooves the dairy industry to identify animals with divergent feed conversion efficiency and implement selection programs to improve feed conversion efficiency,” says Sara Westberry of STgenetics.

Thus, STgenetics offers the EcoFeed® program, which uses a measure of feed conversion efficiency known as residual feed intake (RFI). This tool measures variation in feed intake beyond that needed to support maintenance and performance requirements.

Join Jocelyn Johnson and Sara Westberry, researchers at STgenetics, as they present data on feed efficiency indexes and learn how to create more sustainable animals.

To register for the webinar, go to: and follow the prompts. As the webinar approaches, you will receive an e-mail with information on how to log in to participate.


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