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How to raise dung beetles artificially? Detailed explanation of methods and technical key points
The dung beetle is also called shi ke lang, and many people also call it shi ge (g) lang, tui wan, etc. It belongs to the order Coleoptera, family Scarabaeidae, subfamily Scarabaeinae. There are about 2300 species of dung beetles in the world, distributed on every continent except Antarctica. Dung beetles can use the polarization of moonlight to navigate
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What are the different modes of artificial abalone farming?
Abalone is one of the valuable marine delicacies, delicious in taste and rich in nutrition, and is known as the "soft gold of the sea." Abalone is a valuable marine edible shellfish, praised as the "gold of the dining table, crown of marine delicacies." Below, let us look at several artificial farming modes for abalone: seabed sinking box farming
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Key Points of Silver Carp Farming Techniques and Detailed Management Methods
Silver carp is a large freshwater fish that is artificially reared, grows fast, has few diseases and high yield, and is mostly polycultured with grass carp and common carp. Let's take a look at silver carp farming techniques. Silver carp growth and reproduction. The age of sexual maturity in silver carp is 1-2 years earlier than in grass carp. Mature individuals are also smaller; generally, females over 3 kg can reach maturity. A female of about 5 kg has a relative fecundity of about 40,000-50,000 eggs per kg of body weight, and an absolute fecundity of 200,000-250,000 eggs.
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A Complete Analysis of the Key Technical Points for Artificial Jellyfish (Rhopilema esculentum) Farming
In China, the jellyfish fishery has a long history, with the highest annual yield reaching 58,000 tons. However, for reasons that are still not fully understood, its resource volume fluctuates greatly from year to year; sometimes there is so much that there is no time to process it and it is left lying on the beach, while other times it vanishes without a trace.
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Detailed Explanation of Artificial Breeding Methods and Technical Key Points for the Chinese Giant Salamander
Giant Salamander Rearing Methods 1. Choosing a Suitable Environment Whether artificial breeding of the Chinese giant salamander succeeds depends crucially on the rearing environment. 1. The rearing water temperature must be suitable. According to many years of observation, the most suitable water temperature for giant salamander growth is 16-22°C. In low mountain areas, summer temperatures are higher; if the water temperature exceeds 26°C, giant salamander growth will be affected, sometimes causing a "summer dormancy" phenomenon, and excessively high temperatures can even cause death; however, if the altitude is too high and the ambient and water temperatures are too low, the effective growth period of the giant salamander is short and its growth rate is slow, making breeding unprofitable. Therefore, for breeding giant salamanders, the site should preferably be chosen in areas at an altitude of 500-800 m with no severe cold in winter and no extreme heat in summer.
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Artificial Pond Culture Methods and Key Technical Points for Tilapia
1. Pond conditions The farming site should be chosen in a place sheltered from wind and facing the sun, with abundant water, fresh and pollution-free water quality, quiet surroundings and convenient transportation. The pond area should be 3 mu to 5 mu, the water depth 1.5 to 2 m, and the pond bottom mud thickness 20 to 30 cm. Each pond is equipped with one 1.5 kW
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Detailed Explanation of Key Technical Points for Artificial Breeding of Snapping Turtles
The snapping turtle is the most ancient extant reptile, one of the world's largest freshwater turtles, and is known as the king of freshwater animals. It is divided into two major types, commonly known as the large snapping turtle and the small snapping turtle. 1. Good environmental factors. Aquatic turtles live in water; the water depth for raising turtles is generally slightly higher than the turtle's shell, and it does not need to be too deep, at most no more than 2 times the height of the shell. It is best to provide a rock that rises above the water surface so the turtle can climb up to bask its shell; turtles need sunlight. If kept completely indoors, they should be allowed to bask in the sun regularly, for more than ten minutes each day. It is recommended to keep them in a southeast-facing place where they can receive about 1-2 hours of sunlight (long periods of direct sunlight are not needed), and provide shade conditions (a small wooden board can be placed on top of the tank to provide partial shade) to prevent heatstroke. In summer, pay attention to preventing algae growth in the tank; you can buy algae remover, which is generally sold in ordinary aquarium stores. Small stones or large cobblestones can be laid on the bottom of the tank. However, if they are laid, it will be very troublesome when changing the water, so beginners are advised to use a bare tank, that is, with nothing laid down. Do not put aquatic plants in the water. <p>The snapping turtle is the most ancient extant reptile, one of the world's largest freshwater turtles, and is known as the king of freshwater animals. It is divided into two major types, commonly known as the large snapping turtle and the small snapping turtle.</p><p><strong>1. Good environmental factors.</strong></p><p>Aquatic turtles live in water; the water depth for raising turtles is generally slightly higher than the turtle's shell, and it does not need to be too deep, at most no more than 2 times the height of the shell. It is best to provide a rock that rises above the water surface so the turtle can climb up to bask its shell; turtles need sunlight. If kept completely indoors, they should be allowed to bask in the sun regularly, for more than ten minutes each day. It is recommended to keep them in a southeast-facing place where they can receive about 1-2 hours of sunlight (long periods of direct sunlight are not needed), and provide shade conditions (a small wooden board can be placed on top of the tank to provide partial shade) to prevent heatstroke. In summer, pay attention to preventing algae growth in the tank; you can buy algae remover, which is generally sold in ordinary aquarium stores. Small stones or large cobblestones can be laid on the bottom of the tank. However, if they are laid, it will be very troublesome when changing the water, so beginners are advised to use a bare tank, that is, with nothing laid down. Do not put aquatic plants in the water.</p><p></p><p><strong>2. Good water quality.</strong></p><p>Given high-density intensive turtle farming conditions, turtles have relatively high food intake and excrement output, and the water temperature is also relatively high. Even if the feed provided is green feed, it still fouls the water quality relatively quickly, and more harmful substances are easily produced in the water body, especially ammoniated nitrite and H2S, which are more harmful. By spraying and applying photosynthetic bacteria at the bottom, water quality can be effectively improved and harmful substances reduced. Each time new pond water is added, apply 10×10-6 to 15×10-6 photosynthetic bacteria at the same time; changing water is also an effective way to regulate water quality. At a water depth of about 20 cm, it can be changed once a day, and at a water depth of 30 cm, it can be changed once every 2 days. Never fail to change the water for many days, and do not let the water body give off a foul odor. Every 7 to 10 days, quicklime can be sprinkled once at a concentration of 70×10-6, and care should be taken to apply it alternately with photosynthetic bacteria, not at the same time.</p><p><strong>3. Control of water temperature.</strong></p><p>Snapping turtles like to live in clean water environments. Therefore, during the rearing process, attention should be paid to replacing the water with new water. Moreover, to ensure the survival rate of snapping turtles, the stability of the water temperature environment must be maintained. Scientific regulation of water temperature directly affects the weight gain and survival rate of adult turtle farming. When snapping turtles are kept at 18°C-20°C for a long time, their growth rate is several times slower than at the optimal growth water temperature of 30°C-31°C. Therefore, the water temperature for raising turtles must be maintained within 30°C-31°C. On the other hand, when a turtle pond is being refilled with water or is exposed to the outside and happens to encounter severe weather such as heavy rain or sudden temperature changes, precautions should be taken in time, and every effort should be made to avoid water temperature fluctuations greater than 2°C.</p><p><strong>4. Feed feeding.</strong></p><p>Snapping turtles have fairly omnivorous feeding habits; fish, loach, meat, and so on can all become their food. When feeding snapping turtles, the amount of compound feed is generally 1.5%-2.5% of the snapping turtle's total body weight, and the amount of fresh live feed is 5%-10%. Feed 3 times a day at fixed times and in fixed amounts, and the range of food provided should be even and broad.</p><p><strong>5. Hibernation issues of snapping turtles.</strong></p><p>Every year from October to May of the following year, when the temperature drops below 13°C, the turtle begins to hibernate until the temperature rises to 18 degrees and it ends. A hibernating turtle does not eat or move, and only sleeps. The simplest hibernation method is to move the turtle indoors to a dark and quiet place and let it hibernate in shallow water (water just above the shell), changing the water once a month. Apart from changing the water, try not to disturb the turtle. Be careful that the temperature does not fall below 6 degrees, otherwise the turtle's life will be endangered. However, it is recommended to use a heating rod in winter, because the mortality rate of natural hibernation is very high. A heating rod is the kind used for raising tropical fish; set the temperature at around 30 degrees and put a lid on the tank.</p>
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A Detailed Guide to Methods for Moving Ants to a New Nest in Artificial Ant Keeping
1. Freezing method: Principle - through low-temperature freezing measures, the ants temporarily lose their ability to move, allowing manual transfer. Method - first create suitable living conditions for the target nest (temperature, humidity, etc.), open it and have it ready, then you can put the original nest in the refrigerator and freeze it for a few minutes
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Detailed Explanation of Key Points in Artificial Sea Cucumber Farming Techniques
The sea cucumber's entire body is covered with fleshy spines, and it is widely distributed across the world's oceans. Along the coast of the South China Sea in China, there are relatively many species, with about twenty or more kinds of sea cucumber available for consumption. The sea cucumber ranks alongside ginseng, bird's nest, and shark fin, and is one of the world's eight great delicacies. The sea cucumber is not only a precious food, but also a famous
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Detailed Explanation of Key Points on Artificial Breeding Techniques for the Chinese Francolin
The francolin, also known as the Chinese francolin, is a type of bird. The wild reproduction rate of francolins is very low, and artificial breeding of francolins has not yet been successful. So how do you raise Chinese francolins? Follow along with the editor below to find out. Artificial Breeding Techniques for Chinese Francolins 1. Egg laying. Wild francolins
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