Cray­fish science in big win

Townsville Bulletin - - News - Alexis Gill­ham

TOWNSVILLE will soon be­come home to tens of thou­sands of very spe­cial cray­fish af­ter a fully do­mes­ti­cated mother hatched the eggs at the Aus­tralian In­sti­tute of Marine Science’s head­quar­ters.

The lar­vae will grow to be the sec­ond gen­er­a­tion of cray­fish fully reared in cap­tiv­ity.

The break­through r es­earch will open the way to se­lec­tive breed­ing, giv­ing re­searchers a chance to fo­cus on de­vel­op­ment of com­mer­cially im­por­tant traits in do­mes­ti­cated cray­fish.

Pro­ject head Dr Mike Hall s a i d t h e p r o g r a m h a d reached some im­por­tant milestones.

He said the team was able to in­duce breed­ing in cray­fish all year-round through out-of-sea­son breed­ing ma­nip­u­la­tion.

Iden­ti­fi­ca­tion of a new disease-caus­ing bac­te­ria, rear­ing of lar­vae on ar­ti­fi­cial di­ets and the spawn­ing of sec­ond gen­er­a­tion do­mes­ti­cated brood­stock were other achieve­ments.

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