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Paddlefish Farming Techniques and Conditions: Both Monoculture and Polyculture Require the Addition of Silver Carp
Summary Models: There are two models, monoculture and polyculture, but both require the addition of silver carp, which can control the amount and growth rate of algae and avoid water eutrophication. Density: Under the monoculture model, at a body length of 50-60 cm and a weight of 1 kg, 80-100 fish per mu; at 2-3 kg, 40-50 fish per mu
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How is white spot disease treated in grouper farming?
Symptoms: White spot disease is one of the serious diseases of grouper, especially common in high-density holding tanks and cage farming. This disease spreads quickly; in severe cases, it can kill all the fish in a pond within 3-4 days. In cages, it forms a concurrent infection with monogeneans, with an infection rate of 90% and a mortality rate of over 50%. The disease is prevalent in Fujian, Guangdong and Zhejiang, China, and mostly occurs in summer.
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How to choose the right feed for ground beetle (Eupolyphaga sinensis) farming
The ground beetle has very omnivorous feeding habits, and feed sources are wide-ranging. Feed includes both plant-based feed and animal-based feed. Among them, plant-based feed can be further divided into green feed, grain feed, and cake (meal) feed, and it is the main feed for raising ground beetles. Plant-based feed Green feed
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What are the harvesting methods for earthworm farming?
When earthworms have been raised to a certain degree, apart from a portion used for continued breeding, the rest are harvested to feed centipedes. Different rearing methods require different harvesting methods, and roughly the following methods can be used. 1) Light-driving method. This method is suitable for harvesting in indoor rearing beds,
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How to prevent common diseases in scorpion farming? Detailed explanation of prevention and control measures
1. Spotted mold disease, also known as scorpion louse disease, mostly occurs from June to August, often caused by a damp environment, high air humidity, and moldy food, etc. The pathogenic bacteria are mostly green mold fungi. In infected scorpions (Mesobuthus martensii), yellow-brown or red-brown small spots often appear in the anterior thoracic plate and anterior abdomen in the early stage
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Detailed Explanation of the New Technology for Raising Fly Larvae in Plastic Greenhouses
Raising flies in cage nets in ordinary civilian houses is a technology commonly adopted in the fly farms that have emerged in China in recent years. This technology requires heating facilities to be installed in the room; otherwise, when the indoor temperature in autumn, winter and spring cannot reach 27°C, the reproductive capacity of the flies drops severely.
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A Detailed Introduction to Three Methods of Snail Farming
1. Open-air farming method. Farmland can be used for farming. After plowing, break the soil up finely, plant broadleaf trees around the field for shade, and enclose the perimeter with netting to prevent the snails from escaping. A flat-roofed building's roof can also be used for farming: spread a layer of loose soil more than 10 cm thick on the roof, and
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Detailed Guide to Pre-Winter Preparation and Overwintering Techniques for Rice Field Eel Farming
After entering October, those engaged in rice field eel farming should pay close attention, because in another month or so, it will almost be time for the rice field eel's hibernation period. So, before the rice field eel overwinters, what exactly should be done for them? 1. Let the rice field eels eat their fill so they have enough physical energy; 2.
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How to determine whether a fox is sick in fox farming
Observation of fecal characteristics: when constipation occurs, the stool is dry and hard; when diarrhea occurs, the stool is loose; when hemorrhagic enteritis occurs, the feces contain blood; when catarrhal gastroenteritis occurs, the feces are thin and watery, containing incompletely digested feed and sloughed intestinal mucosal epithelium, and in some cases mixed with blood, namely purulent stool and bloody stool
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How to select breeding deer during sika deer farming?
When selecting a breeding stag of sika deer, it is best to buy before the velvet antler growing season; at that time, whether the antler is large or small, good or bad, is clear at a glance. If the antler has already been sawed off, you have to judge by appearance. The head must be large, the eyes spirited, and the height suitable; it is not that the tallest is the best,
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