Deer ration for emus?

[Sekmet]

Hi, folks. I was watching a YouTube video and heard the deer ration makes good emu feed. Does anyone feed deer ration and what actually is it? I can find corn and feed focused on growing antlers. My emus don't need antlers so I'm at a loss. It makes sense that there would be feed for farmed deer, but I sure haven't been able to find it. Any help would be appreciated. Right now I'm feeding Mazuri, but with the way things are going I'm looking for more affordable options.

 

[nuthatched]

Stick with the Mazuri. youtube is full of unfounded misinformation