hatchery

What a to-do they make when you approach their outdoor hatchery!

He began by dumping out into a worthless and landlocked bass-pond every brown trout in the hatchery.

Salmon have a peculiarity which makes it easy for the hatchery people.

At the head of the lake is a hotel and a fish hatchery; no store, no factory, not even a Chautauqua.

The female sun-fish (called, I believe, in England, the roach or bream) makes a "hatchery" for her eggs in this wise.