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Anonymous users2024-02-06Choose the site: choose a pond with leeward and sunny direction and convenient drainage and irrigation as the breeding site, and the pond should be filled with humus-rich sandy soil around the pond. Seedling:
When rearing, it is best to choose leeches that are large and prolific. Daily maintenance: Regularly feed snails and animal blood to the locusts, and change the water once a month.
1. Choose a venue
In the process of raising grasshoppers, it is necessary to choose a pond with leeward and sunny and convenient drainage and irrigation as the breeding site, and the depth of the pond is best between one meter and two meters, and the width is about three meters, and then the bottom of the pond is filled with cement grout, and the surrounding area is filled with sandy soil rich in humus, which is conducive to the laying of grasshoppers.
2. Put seedlings
There are many varieties of grasshoppers, but when breeding, it is best to choose large and abundant leeches, and grasshoppers are hermaphroditic mollusks, each of which can lay eggs and reproduce, so it is necessary to choose grasshoppers that are more than two years old and weigh 30 to 35 grams.
3. Daily maintenance
When raising grasshoppers, it is necessary to regularly feed snails and animal blood to promote its growth and vigor, and it is necessary to change the water for the grasshoppers once a month to ensure that the water quality is clean and hygienic, and control the water temperature between 10 and 40 degrees Celsius to avoid frost damage to the grasshoppers.
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Anonymous users2024-02-05Leech culture techniques are as follows:1. The survival rate of leech seedlings is low, and it is not easy to reproduce from generation to generation. Therefore, when selecting seedlings, we should pay attention to selection.
In order to have a good harvest within one year of planting, it is necessary to select strong leeches with more than two instars as seedlings. The larger and more robust the leech, the higher the number of eggs, the higher the hatchability and survival rate.
2. Before breeding leeches, the water quality should be investigated, if the water source is polluted, it will likely lead to the death of all leeches.
Leeches, commonly known as leeches, have been recorded in the "Shennong's Materia Medica" and have high medicinal value; It grows and breeds in inland freshwater waters, and is a traditional Chinese special medicinal aquatic animal, and its dried products are soaked in traditional Chinese medicine, which has the effects of stroke, high blood pressure, stasis, amenorrhea, bruises, etc. In recent years, it has been newly discovered that leech preparations have special effects in the prevention and treatment of cardiovascular and cerebrovascular diseases and anti-cancer. It is mainly natural fishing in history, due to the abuse of pesticides and fertilizers in recent years, as well as the pollution of the environment by the "three wastes" of industry and agriculture, the wild natural resources have decreased sharply, and with the in-depth development of the medicinal value of leeches, its market demand potential is huge.
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Anonymous users2024-02-04The techniques of raising locusts include site selection, seed stocking, food feeding, breeding management, and fishing.
1. Site selection and site construction
If large-scale breeding leeches, to choose shelter from the wind and sun, irrigation and drainage conditions of good location to establish a breeding pond, the general pool width of 3 meters, depth of 1 meter, length is not limited, the bottom of the pond can be put into some stones and branches, if it is a small-scale breeding with spring, you can directly use puddles, ponds and other breeding.
2. Put seedlings
Leech species are more suitable for artificial breeding is the leech, which usually lives in rice fields, ponds and jungles, and can put about 10,000 leeches per cubic meter.
3. Feed food
Leeches feed on mussels, turtles, earthworms, snails and the blood of mammals, artificial breeding can be mixed with all kinds of blood and feed, grass meal, etc., and then fed to leeches, the blood of general animals is only fed once a week, and live snails can be put into the breeding pond at ordinary times for leeches to eat.
4. Breeding management
When raising leeches, it is necessary to adjust the water quality, keep the water clean, and also need to ensure a certain amount of dissolved oxygen, if the oxygen content in the water is less than 2 mg per liter, the leeches will be in turmoil, and the water temperature should be changed frequently when the water temperature is too high in summer.
5. Fishing
When fishing, the water is drained first, and then the leeches are scooped up with a net, and the seeds with large and robust growth are selected, and 15 20 kg of seeds should be left per mu, and they are put into the breeding pond for wintering.
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