It seems like Scott69's results are somewhat similar to yours.

I'm really unsure if you had a LMB spawn or not. Many say that bass can spawn very early especially when at low quantities in a larger body of water.

What size were the 3,000 bluegill when you stocked them?

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."