cultured itself in hatcheries
... that microalgae is used widely in aquaculture and is now cultured itself in hatcheries?
... that <a href="./Microalgae" id="mw6A" rel="mw:WikiLink" title="Microalgae">microalgae</a> is used widely in <a href="./Aquaculture" id="mw6Q" rel="mw:WikiLink" title="Aquaculture">aquaculture</a> and is now <b id="mw6g"><a href="./Culture_of_microalgae_in_hatcheries" id="mw6w" rel="mw:WikiLink" title="Culture of microalgae in hatcheries">cultured itself in hatcheries</a></b>?