How to raise harvest shrimp?

It can be related to the fact that you add too much food, the density of insects is too high, and you do not continuously aerate the water, resulting in deterioration of water quality and lack of oxygen.

The best food for the shrimp is the planktonic algae in the seawater, which will naturally grow a large amount of algae in the seawater after being exposed to sunlight for the shrimp to eat, and they can generally not be fed. However, in the case of higher culture densities, other micro-sized organic matter can also be supplemented to increase the number of shrimp in the harvest year.

In a home farming environment, organic wastewater can be continuously replenished into the water, such as wastewater from protein skimmers, rice washing water or milk, and yeast powder (dissolved in water). However, it should be noted that to supplement these wastewaters, which contain very high organic matter, it is necessary to adhere to the principle of preferring less to indiscriminate, and control the water quality to the extent that it does not deteriorate and become turbid. If there is too much of it, the water quality will deteriorate severely, and the shrimp will die in large numbers.

brine shrimp (abundant shrimp, abundant worm, brine worm), taxonomically belongs to the phylum arthropod, there are branchial subphylum, crustacea, branchiopoda, no beetle, brine abundant worm, Artemia As an important forage organism, especially the opening feed of juvenile fish, Artemia has always been valued by ornamental fish farmers. Harvest shrimp are mainly produced in lakes with salinity, such as the salt lake in Utah in the United States to San Francisco Bay, which is the main production area of harvest shrimp. Because the salinity is too high, the fish can no longer survive, so there is basically no risk of contracting diseases with the shrimp.

Shrimp eggs are a by-product of the salt harvest in the fall. The eggs are then dried, washed or hatched and sold in different forms, such as live harvesting shrimp, freeze-dried harvesting shrimp or eggs. Special manufacturing steps ensure high yields per year, while consumers get a satisfactory hatchability when they use it.

However, sometimes there are bad eggs that cannot be hatched, and the empty shell or nauplii larvae have died in the eggs, so when buying shrimp eggs, you can only choose a factory with better credit to have a better guarantee. The eggs laid in the harvest year have been vacuum-packed and refrigerated, and can be guaranteed for more than 10 years.

Shrimp is also useful for corals, jellyfish, juveniles, etc. in marine rearing.

Harvest shrimp, also known as dinosaur insects and small sea dragons, is a popular alternative pet in Hong Kong, so this product is also a good choice for dinosaur insect lovers.

Incubation method: 1. Incubation container: it is best to use a conical container.

2. Inflation: Place the sandy gas stone connected to the inflatable pipe at the bottom of the conical incubation barrel, and be sure to stir the whole water body.

3. Hatching density: per liter (i.e., in seawater, no more than 2 grams of abundant eggs.

4. Temperature: 25-30 degrees Celsius, 28 degrees Celsius is the best.

5. Salinity: 10-40ppt, 15ppt is the best.

6. Illumination: continuous irradiation of fluorescent lamp.

7. pH value: keep it above, add baking soda (i.e. NaHCO3, add 2 grams per liter of seawater) to increase pH value when it is lower.

9. Collection of harvest insects: When using a conical bottom incubation bucket, it is easiest to collect insects. Stop inflating and cover the mouth of the bucket to protect it from light, within 10-15 minutes, most of the larvae will sink to the bottom of the bucket, at which point it should be collected immediately.

10. Storage: Do not exceed 40 degrees Celsius. Generally, it is stored in a cool, dry place, and refrigeration is the safest place. Large quantities of inventory must be stored in cold storage. It should be used up as soon as possible after opening, otherwise it should be refrigerated.

Tips: How to breed harvest shrimp for a long time for large-scale farming?

First prepare a large bucket, add yeast powder or an appropriate amount of fish sauce and oyster powder to the prepared seawater, pump it with a pump and maintain it in the sun for more than a week, and after cultivating floaters, you can add a tablespoon of shrimp eggs to the bucket, and control the temperature at more than 25 degrees with a warming rod, so that after 1 month of feeding, there will be an inexhaustible supply of shrimp in the barrel at this time, and it will reproduce by itself, as long as you add some fish sauce, oyster powder, and yeast powder every week. The density of harvest shrimp will be very high, but the pumping volume needs to be maintained in a state where the water will tumble, otherwise it will cause the death of harvest shrimp.

The nutritional value of the shrimp is high, but it is not suitable for freshwater culture, which will cause it to die quickly. The abundant shrimp is a supersaline water organism, and it lives below 5 parts per thousand salinity, which reduces its activity and causes death. Harvest shrimp need to be intensively cultured at high density, and when the weather is hot, there will be death from lack of oxygen if not oxygen.

Shrimp is highly nutritious for fish, but it is not suitable for freshwater farming, which will cause it to die soon after hatching, even if it is kept in salt water, it can survive for a week at most.

Harvest shrimp is a supersaline water organism, when it lives in the environment salinity of less than 5 parts per thousand, it will reduce its activity, and make it die, and this salinity is difficult to control, so harvest shrimp is easy to die.

When raising harvest shrimp, we should also pay attention to the density of feeding, harvest shrimp need high density intensive farming, but although its demand for oxygen is not high, but in hot weather, there will be death without oxygen.

Breeding shrimp to choose a depth of about 50 centimeters of glass fish tank, and to the fish tank to install aeration equipment, for the shrimp to supply oxygen, breeding first of all to the shrimp eggs hatching, and then the hatched larvae into the breeding utensils, to provide rice water, milk, yeast powder and other food, so that the shrimp grow vigorously.

1. Breeding containers

The cultivation of harvest shrimp does not require the construction of large breeding ponds, and its small size can be cultivated in household fish tanks. However, when using fish tanks for culture, it is necessary to maintain a depth of 50 centimeters, spread gravel to the bottom of the fish tank, plant aquatic weeds, provide a place for the shrimp to hide and move, and install an aeration device for them when the temperature is high in summer.

2. Incubation method

Harvest shrimp can only be reared after hatching. In the process of incubation, the refrigerated harvest shrimp eggs should be taken out, put into a dry environment at room temperature, dried for a week, and then put the harvest shrimp eggs into the light salt water after boiling at high temperature, waiting for the harvest shrimp to hatch.

3. Bait feeding

After hatching, the harvest shrimp can be put into the fish tank for breeding. Shrimp often feed on planktonic algae in the water, and in the process of farming, algae can be cultivated in the fish tank, and it can also be provided with rice water, milk, baking powder solution and other foods rich in organic matter to maintain the growth of shrimp.

4. Regular harvesting

The growth rate of the harvest shrimp is relatively fast, and it will mature after ten days of growth after hatching, and it should be harvested in time at this time, so as to avoid the density of the harvest shrimp being too large, and the phenomenon of death due to lack of food **, and the harvest of the net is best to choose a wide hole species, so as not to catch the larvae of the harvest shrimp together.

1. Batch farming, this method is modeled after the shrimp seedling method of mock et al. The use of aeration to drive the water circulation, during a breeding period, generally do not change the water. The bait used is mainly rice bran, with particles less than 50 microns.

Under the condition that the inoculation density is 10,000 workless larvae per liter of water and the water temperature is 25 30 degrees, after 2 weeks of culture, the average length of Artemia can reach about 8mm, and each cubic water body can produce about 5kg of fresh Artemia and consume 4kg of rice bran.

2. Circulating water culture, circulating water culture is a high-yield technology that eliminates wastes such as feces and bait of Artemia worms through the continuous renewal of seawater, and carries out high-density culture. The key to success is the filtration unit, which both removes the waste without damaging or losing the artemia.

At a density of 20,000 l of nauplii and a water temperature of 25 degrees, after two weeks of culture (water change is generally changed every 2 hours), 25kg of fresh Artemia can be harvested per cubic meter of water, 18 kg of rice bran is consumed, and 150 cubic meters of seawater are used for cultivation.