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What are the key technical points of crab farming?
Since ancient times, crabs have been an extremely delicious food. Let's take a look at the techniques for farming crabs. 1. Pond conditions: abundant water source, convenient water intake and drainage, good water quality without pollution, choose clay, sandy soil or sub-sandy soil with good aeration, which is favorable for the growth and reproduction of aquatic plants and benthic insects.
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Detailed Explanation of Mealworm Breeding Technology: Easily Master the Key Points of Breeding
The mealworm is also called the bread worm. In insect taxonomy, it belongs to the order Coleoptera, family Tenebrionidae, genus Tenebrio (the mealworm genus). It originated in North America and was introduced to China from the Soviet Union in the 1950s for breeding. Dried mealworms contain 30% fat and more than 50% protein. In addition,
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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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Key Points of Dairy Goat Farming Technology and Feeding Management
The dairy goat is a small herbivorous dairy animal. Each lactation period lasts 8 to 10 months, with an average milk yield of 500 to 600 kg, a milk fat rate of 3.9%, and 1 to 3 kids per litter. Dairy goats are lively in temperament and eat a wide range of plants; wild grass, tree leaves, vines, vegetable leaves, melons and beans, and miscellaneous grains can all be fed to them.
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How to Raise Chickens Under the Trees? A Full Breakdown of the Technical Implementation Plan
Raising chickens under the trees uses traditional chicken-raising methods combined with modern scientific feeding techniques, making full use of understory resources (insects) to raise chickens and obtain low-cost, environmentally friendly, green poultry products. Let's take a look at the technical implementation plan for raising chickens under the trees. 1. The woodland
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Key Technical Points and Methods for Raising Chickens Under Fruit Trees
Native chickens raised under trees have excellent meat quality, a delicious flavor, and fetch a high market price. They are 40%-50% more expensive than caged chickens. In plain terms, the under-tree chicken-raising model means making full use of the gaps between fruit trees and using fencing to develop broiler production, which both saves on chicken feed costs and
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Detailed Explanation of Key Technical Points for Raising Geese in Plastic Greenhouses
Utilizing the greenhouse effect of plastic greenhouses can save energy and improve feed conversion efficiency. Let's take a look below at plastic greenhouse goose-raising techniques, how to build a goose-raising greenhouse, the drawbacks of simple goose-raising greenhouse farming, and the prevention and treatment of goose influenza. Plastic Greenhouse Goose-Raising Techniques I
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Key Points and Methods of Fermentation Bed Pig Farming Explained
Fermentation bed pig farming technology is a pollution-free, zero-emission, efficient and novel scientific pig farming technology. It integrates pig husbandry, nutrition, environmental hygiene, microbiology, and soil and fertilizer science, and follows the principles of safety, efficiency and zero pollution to establish
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Key Points of Black-Boned Sheep Breeding Technology and Detailed Rearing Methods
Black-boned sheep meat is delicious and rich in melanin, with the dual health benefits of nourishing yin and supplementing yang. The black-boned sheep is treasured in every part, and holds inestimable value for in-depth development into medicines and nutritional health products. Grazing technology for black-boned sheep 1. Key points of four-season grazing management ① Spring
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Key Technical Points of Feed Formulas for Raising Cattle with Distiller's Grains
Raising cattle with distiller's grains has always been a very common practice among cattle farmers. Cattle particularly like eating fermented products, and distiller's grains, a fermented by-product of the brewing industry, have a very strong aroma. When distiller's grains are used to feed cattle and mixed with straw feed, beef cattle love eating it, and after feeding
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