CATDOLL : CATDOLL: How to raise crabs How to raise crabs

How to raise crabs How to raise crabs

1. Use pots to grow medicinal plants at home. You can put some fine sand in the pot to form a small platform.

The water for breeding should not be too deep. The best water depth is that the water can submerge the crab's shell. Tap water can be used for breeding, but it must be exposed to the sun for a day before use.

2. Crabs can bask in the sun, but not for too long.

3. Crabs are omnivorous animals. If conditions permit, you can feed them red nematodes and egg yolks. Of course, crabs can also eat chicken and duck viscera or small fish and shrimp. At the same time, you should feed them some grass food. Pay attention to the amount of food you eat. You should finish eating within half an hour, otherwise the remaining food will pollute the water.

4. The feeding intensity of crabs increases or decreases with the change of seasons and water temperature. In summer and autumn, when the water temperature rises above 15℃, the feeding capacity of crabs increases, and they can be fed once a day. When the water temperature drops below 15℃, the feeding capacity of crabs decreases, and they can be fed every other day or every few days. The best time to feed is around dusk, because crabs are aquatic animals that hide during the day and come out at night.

5. Crabs are social animals, so it is best to raise several crabs together, so that the survival rate is higher.

1. Breeding environment. When breeding crabs, you need to prepare a fish tank or glass tank as a container and spread fine sand on the bottom to provide a suitable growth environment for the crabs. You also need to add river water or lake water to the fish tank. If you want to use tap water, you need to let the water stand before use.

2. Feeding method. In the early stage of crab farming, there is no need to feed crabs. At this time, crabs have not adapted to the environment and will not eat. After waiting for a while, you can provide crabs with fish, shrimp, egg yolk, red nematodes and other foods. After each feeding, the crabs must finish eating within half an hour and remove food residues in time.

3. Clean regularly. When breeding crabs, you need to clean them regularly. Use a toothbrush dipped in shower gel or soap to scrub their carapaces to avoid bacterial growth, which can cause the crab shells to soften and become damaged. Also, every time you change the water, drain the clean water from the fish tank, clean the inside, and then put the crabs back in for breeding.

How to raise a crab?

When crabs die, they will have a lot of bacteria and toxins, so the first thing to preserve hairy crabs is to keep them fresh. There are some tips to keep crabs at home. The following is a summary of how to keep crabs at home compiled by the editor of Xuexi.la. I hope you like it!

How to raise crabs at home

1. Use a basin to raise crabs at home. Put some fine sand in the basin to form a small platform. The water should not be too deep. The best water depth is that the water steel can immerse the crab shell. Tap water can be used for raising crabs, but it must be exposed to the sun for a day before use.

2. Crabs can bask in the sun, but not for too long.

3. Crabs are omnivorous animals. If conditions permit, you can feed them red nematodes and egg yolks. Of course, crabs can also eat chicken and duck viscera or small fish and shrimp. At the same time, you should feed them some grass food. Pay attention to the amount of food you eat. You should finish eating within half an hour, otherwise the remaining food will pollute the water for breeding.

4. The feeding intensity of crabs increases or decreases with the season and water temperature. In summer and autumn, when the water temperature rises above 15℃, the feeding capacity of crabs increases, and they should be fed once a day. When the water temperature drops below 15℃, the feeding capacity of crabs decreases, and they can be fed every other day or every few days. The best time to feed is around dusk, because crabs are aquatic animals that hide during the day and come out at night.

5. Crabs are social animals, so it is best to raise several crabs together, so that the survival rate is higher.

6. When cleaning crabs, hold them with your hands, and then use a toothbrush with some shower gel or soap to clean them, especially in the corners, and hold their feet (don't use too much force) to brush. After the bath, rinse them with water, clean the fish tank, and occasionally sprinkle some salt, mainly to prevent infectious diseases.

7. When crabs first arrive in a strange environment, they are very stubborn. Starve them for a few days. Then use tweezers to pick up a delicious food and dangle it in front of their mouths. Then you will see them wolfing down the food.

Crab's Profile

1. Types: Crabs are crustaceans, and their bodies are protected by hard shells. Crabs breathe through gills.

2. Appearance: Although crabs are small, they have all the organs. After removing the hard shell of the crab, we can find that the crab's body is protected by a layer of shell. These shield-like shells are called carapace by biologists. The crab's body is symmetrical and can be divided into the forehead area, eye area, heart area, liver area, stomach area, intestine area, and gill area. The two sides of the crab's body are connected by appendages. The appendages on the head are called antennae, which have the functions of touch and smell. Some appendages have mouth functions, which are used to tear food and put it into the mouth.

3. Nutritional value of crabs: Crabs are rich in protein and trace elements, which are very nourishing to the body. Crabs also have anti-tuberculosis effects, and eating crabs is very beneficial to the recovery of tuberculosis.

How to preserve crabs

1. Tie up the hairy crabs and put them in the refrigerator, preferably on the shelf with the fruits. Spread a wet towel on the hairy crabs, don't wring it too dry, and don't stack the towels. This way they can be preserved for a while.

2. Raise the hairy crabs in water. If the hairy crabs are too thin or you want to keep them for a while, you can feed them some sesame seeds or broken eggs and add some rice wine to fatten them up.

3. Keep it moist. It will not be a problem for it to survive for a week or two. Just don't soak it in water. The breeding place is usually placed in a cement pool, sprayed with water every day, sometimes for a month or two.

Storing hairy crabs in the refrigerator

Find a suitable foam box according to the size of your refrigerator freezer. You can put it in the freezer in advance to see if it fits. Then tie the legs and feet of the hairy crabs and put them in the foam box. Put them one by one, try to fill a layer and then add more. Add water to the foam box until the water covers the surface of the hairy crabs. Then cover the foam box and put it in the freezer of the refrigerator to freeze. When you want to eat the hairy crabs, just take them out and thaw them. Preserving the hairy crabs in this way can ensure the freshness of the hairy crabs to the greatest extent.

Preserving hairy crabs in temporary holding ponds

If you buy more hairy crabs than you can eat in three to five days, you cannot use the above method to store live hairy crabs. The best way is to use your own bathtub as a temporary storage pond and let the hairy crabs enjoy it first: because the walls of the bathtub are smooth, the hairy crabs cannot escape. Then gently pour the hairy crabs into the bathtub and fill it with water to just bury the hairy crabs. If the hairy crabs stand up their eight legs, they can breathe on the water surface. Depending on the storage time and quantity, you can also add a small amount of small fish and shrimp. Using this method to store live hairy crabs, hairy crabs can generally be stored for more than 7 days or longer. The storage survival rate of good quality hairy crabs can reach over 95%.

Special reminder: If you are not eating immediately, please do not wash with water, otherwise the hairy crab will die. If the indoor temperature does not exceed 15℃, there is no need to put it in the refrigerator. Under normal circumstances, it can be stored for 5-7 days, but if it is stored for too long, the hairy crab will become thinner. It will not affect the taste if eaten within 3 days.

How to raise crabs and hairy crabs?