From what I have read about growing fodder, is that it doubles if not quadruples in weight upon sprouting for 7-10 days. So I decided to do an experiment.
I took 1 cup of wheat berries and weighed them, then again after soaking 24 hours, then again each day, up to day 5. I didn’t go past day 5 because the sprouts draw flies, so I moved the experiment outside rather than the counter inside. This climate change seemed to adversely affect the sprouts, so I’ll have to start over again and try to make it to at least 7 days.
Here is the info I collected over the 5 days.
1 cup of dry/dormant wheat seed = 7.5 oz or 0.46 lbs
Sprouting day 1, After 24 hour soak = 12.02 oz or 0.76 lbs
Sprouting day 2 = 12.7 oz or 0.79 lbs
Sprouting day 3 = 13.8 oz or 0.86 lbs
Sprouting day 4 = 16.2 oz or 1.0125 lbs
Sprouting day 5 = 14.7 oz or 0.918 lbs
So the mat of wheat berries lost a little weight on day 5, but I hadn’t watered it yet, so that may have made a difference. Plus I don’t think the wheat liked the container I had it in. I will update this post after I have more data.