Name and briefly describe some aquaculture systems .
-POND -least intense
-CAGES - little environmental control
-raceways - need lot water
-RAS - recirculating aquaculture system - most intense , expensive , can grow anywhere
‘fishwell’ report
humanely slaughtered
State and briefly describe risks to public health through aquaculture
-farmed in aquatic environment - pollution from feed - bacteria , vectors , allows spread of antimicrobial resistance
-eating (non-infectious ) -vet residues , herbicides , heavy metals , toxins ( shell fish )
(infectious )-salmonella , E.coli , listeria
-zoonosis - mycobacteriosis , anisakiasis ( nematode )