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The fishing grounds are generally south of the Great Australian Bight. Once the tuna are caught by purse seine method, they are towed back to approved farming sites off Port Lincoln in specially designed towing pontoons.
The tuna are fed every day a diet of various fish species including mackerel, red bait, sardines and locally caught pilchards. All bait must meet the strict Quarantine Health and Sanitary requirements imposed by our Government and our Industry. We regularly send bait for independent testing to ensure that it meets these requirements and our own specifications. The locally caught pilchards are caught during the night and transferred to feeding bins so that they can be fed fresh directly to the tuna the next morning. The freshness and high protein levels in this fish are particularly good for the tuna's growth and condition.
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View video showing Pilchards
3.92 MB Window Media Video (WMV)
To play the movie, click on the link above. Alternatively save the video to your computer by right clicking on the link and choosing Save Target As.
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A daily monitoring program focussing on the health and condition of the tuna is conducted by our divers and our staff scientist at the farm sites and at the company laboratory. We also closely monitor water quality including any bacterial readings, temperature and dissolved oxygen levels. There is also our own environmental monitoring program of the sea floor under and around the cages. Our Industry Association and Government agencies also have monitoring programs that provide us with additional information.
For links to Government sites that control the monitoring process, particularly AFFA, AQIS and AFMA, go to our links page.
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