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The nutritional content contained in mussel shells are fats, water, proteins, carbohydrates and ashes.
The nutritional value of green mussels is similar to the content of beef, chicken and chicken eggs.
The mussel shell itself is an animal that has a shell and lives in the sea. Kupang mussels are found in sea depths of 1 to 7 meters. Indonesia is one of the countries that produces mussel shells that have quite a bit of potential. The distribution of mussel shells is fairly uniform on all Indonesian beaches, especially on the Kupang coast. Kupang mussels will spawn very quickly from March to July.
1. Reproduction of Kupang shells
Kupang mussels fall under the classification of oviporous animals that have many microscopic sperm and egg cells. The reproduction method of mussels is to fertilize outside, because mussels release sperm and eggs into the water to mix.
This mixture will produce fertilization. Even in just 24 hours, the eggs hatch into larvae. The larvae will hatch into leggings until the age of 15 to 20 days. They will then develop into adult mussels at the age of 5-6 months.
2. Grow Location Requirements
Since the population of mussel shells is quite large in Indonesia, this is what drives many people to farm mussels.
The Kupang mussel farming technique is very easy. You just need to prepare a place that is sufficiently protected from strong currents and does not have high levels of salt. The location must also have a muddy and sandy bottom. This will make it easier for the mussels to get nutrients and nourishment during spawning just like when farming Indian Star tortoises.
3. Make ponds
Make sure that the place you choose is not contaminated with toxic waste such as zinc, copper, mercury, cadmium, lead and others. Also avoid using a location near a river to avoid contaminating the pool with household waste. These debris can cause the shellfish to be attacked by various harmful bacteria.
4. Condition of the water used
Make sure you choose a place with good water. Make sure the place has water with temperatures ranging from 27 to 37° Celsius and water with a pH level of 6 to 8.
5. Harvesting Kupang Shell Spat
When you collect mussel gaiters, you can insert them using a collection string. You can make collector ropes from simple materials, such as spun fibers, coconut fibers, and polyethylene.
You just need to put a collection rope in the waters where there are a lot of mussel seeds. Then the transparent will move and stick to the collector belt. After that, you can transfer the collecting rope to the growing container.
6 Ways to Grow Kupang Mussels
There are 4 ways to farm mussels that you can do, namely step-by-step, longline, plug-in raft and floating raft farming.
The stick raft method is the method most used by the community. The trick is to combine two methods, namely the step method and the floating raft. The trick is to stick bamboo into the bottom of the water, as is done with freshwater turtles.
7. Assembled location confirmation
Make sure you have calculated the location of the raft based on high and low tide during high or low tide. This is very important so that the raft does not dry out.
Then you can put the collector rope into the plug raft. The distance you recommend for each rope is approximately one meter. In 6 months, it can produce 20-25 kg for each rope.
8. Seed collection
The seeds are usually collected from the wild. Until now, no one has produced mussel seed from the hatchery due to the high production costs. Success in seed collection is highly dependent on season, location, collector type, and collector installation technique.
9. Seasonal observation
Kuoang clams that live in Indonesian waters can spawn throughout the year. But the peak of the spawning season in each area of water is different.
10. Manifold Installation
Kupang mussel larvae prefer to live in areas close to the surface of the water so you can take them into account when setting up collectors. Although mussels can spawn throughout the year. But the spawning season or the laying season can occur in a relatively short period of time. Therefore, it is difficult to decide on mass reduction in collector installations.
If your catcher is installed too soon, this can cause the catcher to get stuck with barnacles and become less attractive for catching mussel seeds. If a collector is delayed, mussel farmers may lose the opportunity to collect mussels.
There are 4 ways to grow mussels that you can do. You can choose one of the stick raft method, rise method, tensile rope method, and floating raft method. The step-by-step method usually uses wooden or bamboo sticks that are stuck into the bottom of the water.
Then there is the floating raft method which uses ropes and rafts, then there is bamboo, buoys and anchors. The step-by-step raft method is an enlargement of mussel shells with the tancap raft method the same as the floating raft enlargement method
The pests that usually attack during the cultivation of mussel shells are barnacles, birds, crabs and even starfish. Crabs are a major pest for juvenile and adult mussels.
Crabs can eat up to a dozen mussels a day. Meanwhile, attached animals such as barnacles will greatly interfere with the mussel shell growth process. Kupang mussels can get sick from contamination that is above the threshold, just like small turtles.
Kupang mussels can be harvested after 5-6 months of maintenance. The size of mussel shells that can be consumed is 6-8 cm. Another characteristic is that it has thick meat and is creamy. For the quality of the mussels harvested, it must be done in the following ways.
Harvesting should be done when the mussel shells are in the resting phase. Scraping or threshing of shells when loosened from bamboo stakes. Or getting loose from the string with a sharp object can reduce the wound of the byssus thread, which makes the shells much longer lifespan.
Those are some ways to grow mussels for beginners.
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