Great news about our Redclaw crayfish/crawfish. Most of our female Yabbies are now pregnant. Commonly known as crayfish berries, some have started to hatch & leave their mothers already.
Female Redclaw brood their eggs for six-ten weeks, depending on temperature. Most produce between 300 and 800 eggs per brood. There may be between three to five broods during the breeding season.
Hatchlings resemble the adult form and remain attached to the underside of the female for several weeks before progressively becoming independent.
An abundance of planktonic organisms is required for the juvenile crayfish utilise as food. The planktonic organisms include both phytoplankton and zooplankton; it is primarily the latter that are consumed by the juvenile crayfish.
Growing Crawfish or Crayfish in tanks divides opinion, with many people saying that it can't be done on a large scale.
This is the first Crayfish tank we have built & used so far. Now that we have ironed out a few breeding issues, we will be scaling up our operation to increase the numbers of these amazing crustaceans.
Here's a few reasons why farming Redclaw crayfish might be a good idea for you commercially:
Breeds easily, with no larval stage development.
Potential for selective breeding; many wild population strains.
Tolerates high stocking densities.
Requires low protein diet, not reliant on fishmeal.
Market position as a high-value crustacean.
Flesh texture and flavour compares favourably with other crustaceans.
Meat recovery rate acceptable.
Reaches commercial size in nine months grow-out.
Survives well out of water for transport to market.
Straightforward production technology.
Tolerant of variations in water quality - low dissolved oxygen, wide daily pH changes, low alkalinity, temperature variations, high nutrient loads.
Tolerates saline water up to 5 ‰ indefinitely and up to 15 ‰ for several days. This provides broad geographic potential and a means of enhancing flavour, purging and cleaning before sending to market.
No destructive burrowing.
Non-aggressive – cannibalism not regarded as an issue.
BEST CRAYFISH DEALS
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