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| Crab |
1. Aquaculture Site Selection
Selection of suitable farming region ought to be technically operational by means of considering numerous elements as follows:
Water nice: Salinity 15-30 ppt, water pH 7-eight, temperature 25-30 tiers Celsius, Oxygen Content> 3 ppm.
Easily monitored.
Substrate pond bottom is sandy dust.
For karamba system must be protected from the outcomes of flooding and without problems available through the tides.
Is a crab fishing place.
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| Cultivation Plave Crab |
The region may be a crab preservation bamboo cages, waring, in addition to concrete tank. To vicinity the crab protection derived from bamboo cages (cage) advised 1,5x1x1 meter or measuring 2x1x1 meters, it pursuits memperrmudah management, particularly when lifting cages at harvest time.
3. Selection of Seeds
Healthy seed is a few of the factors that assist success in fattening crabs. Therefore, the selection and management of seed should be true and correct. Healthy seeds also can be visible from the completeness of its ft. Capit loss will affect the capacity to hold the foods eaten and sensory competencies.
Although in the end after molting the new leg will develop but it's going to take time, no longer to say their cannibalistic nature of the crab, so that crab who could not stroll due to the fact he become molting frequently fall prey to different crabs. For that it should have a seed that has legs nevertheless incomplete. Seeds much less wholesome crab carapace color may be reddish and dwindled and gradual movement.
4. Transportation Seed
Although the dust crabs are animals that are immune to changes in the environment, but how to shipping the wrong can motive loss of life in massive quantities or reduce the survival charge. Trucks and seeds must be achieved at decrease temperatures and much less daylight. T
ereksposenya crab seed into the solar can motive dehydration, which in flip hydrated crab will pop out all inflicting dying. The excessive seed after death till the destination is generally precipitated because the seed is bought already weakened via numerous days already accommodated with the aid of the collector. Usually the crab deaths occurred after day four in shelters without water.
The bins used in transporting the crab should no longer cause warmness and location the crab in role. Styrofoam field with a period of one m and a width of 60 cm can store seeds as a good deal as one hundred-one hundred fifty tail tied to the seeds. Do watering as plenty as 2-3 times of watering with water salinity 10-25 ppt, throughout transportation of 5-6 hours.
Five. Spreading
Spreading crab finished inside the morning or nighttime on the cage. Crab seed which ditebarberukuran weight two hundred-three hundred grams in line with head. For the size of cages 1.5 to two x 1 x 1 meter stocking density become approximately 15-25 kg or as much as 60-70 tail.
6. Maintenance
Placement advised cages in ponds placed near the entrance / exit of water. Karamba function ought to grasp within 15 cm from the bottom waters of the intention for the the rest of unconsumed feed falling to the lowest waters now not settle in floating cages. Cultivated week 2 instances karamba moved from its authentic role it's far intended that breathes / change of water. Activities in renovation after stocking is executed:
Feeding trash preferably in sparkling form as lots as five -10% of body weight and changed into given instances a day ie morning and afternoon / night.
Replacement of water do when there may be a decrease in water first-rate.
Sampling is achieved every five days to decide the improvement of the growth and fitness of the crab.
With cautious feeding control, suitable and appropriate quantity within 10 days then the boom of crabs can be known.
7. Harvesting
Maintenance / crab fattening in cages can be performed for 15 days, relying on seed size and increase charge. The fee of boom with the aid of the type of feed given and water first-rate. To harvest the crabs used inside the shape seser tool for each overall and selective harvesting. Implementation of harvest need to be accomplished through professional employees to capture and then tie it. In addition to the time and vicinity of storage earlier than being allotted to clients decide the freshness and the price of dehydration due to the weight loss of approximately three-4% can reason dying.
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