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What is Adjustable Long Line Shell Fish Farming?

The Adjustable Longline System used for shellfish farming has been adopted on many continents receiving world wide recognition for its efficiencies in both production and shellfish quality. The concept was originally developed by Ritchie Baker, Tony Schutz and Geoff Turner of BST Oyster Supplies to farm Pacific oysters in South Australia’s high energy inter-tidal zones. The Adjustable Long Line System offers shellfish farmers the unique ability to raise and lower the growing height of stock on the farm for better management of shell growth, hygiene and meat condition in preparation for sale.

What is Adjustable Long Line Shell Fish Farming?

A typical installation will consist of:

  • A marine grade timber or plastic strainer post set at each end of a row of lines. A typical row may comprise of two, three or four lines approximately 100 metres (328feet) long. Marine grade timber or plastic posts are set out between the end strainers and are usually spaced approximately 3 metres (118”) apart when orientating baskets along the line and the parallel lines are set 750mm (29-1/2”) apart for orientating baskets across a set of two lines.
  • A strong and durable line (Vexcyl line) with a protective polyethylene sleeve covering the entire line capable of retaining its tension under load and during vertical adjustment.
  • Baskets, Suspension or attachment clips.
  • Risers (to be attached to the posts).

Hexcyl Systems recommend using the extremely user friendly Vexcyl braided line. This line meets all occupational health and safety standards required for setting up and use of the lines. Vexcyl braided line is custom designed specifically for longline construction. Farmers appreciate the ease of handling and the fact that you only require the line to be tensioned 3% of the total line length to achieve the correct amount of line tension.

Hexcyl baskets are designed for a wide range of grow out options and orientations in low, moderate and high energy environments.

How adaptable are Hexcyl Baskets to my farm?

Our baskets suit shellfish ranging from a minimum overall length of 5 mm (13/64″) to 150 mm (6″) or greater.

Have more questions?

Stronger baskets, higher productivity, and long-term reliability start with the right system; talk to our team today and find the best Hexcyl solution for your farm.