Pond Boss Forums INTRO Questions & Observations Growth

I have a 18 month old � acre pond that I stocked last March with the following;
Channel Catfish � 700
Largemouth Bass � 200
Bluegill/Hybrid Bluegill � 500
White Amur/Grass Carp � 10
Flathead Minnows 1,000
I feed them daily from March to November, the Catfish and Bluegill grew by 50% but the Bass have stayed the same size, is this normal for the first year?

Thanks