Pond Boss Forums MANAGING AN EXISTING POND Evaluating and adjusting fish populations Grass Carp, Does this make any sense ?

Everything else. What you have is grass carp leftover syndrome. The stuff they turn thier noses up at. The smaller ones eat more per body weight than the grown out ones, but those big ones found a favorite food and just inhale it. I could guess, but that is all it would be. I have a feeling if you took them out, you would know soon.

The tilipia would inhale the dw if they had a chance. I hand pull like a goat the primrose, I actually plant that stuff for forage. The carp normally go for algae, but found something they like better. Normally carp have a preference menu, and they eat what they like at the top of the list first. They just are not getting to the bottom. If they are not working, I would not take big ones out and reload them.