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What are the methods for raising river crabs in rice paddies and ponds?
At present, the farming area for river crabs in China is expanding year by year, and the peak period for river crabs coming to market is around the Spring Festival each year. So for beginners just entering the industry, how do you raise river crabs in rice paddies and ponds? Currently, river crab farming mainly consists of two major
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The Complete Guide to Crab Farming Techniques: A Step-by-Step Guide to Raising Healthy Crabs
To choose a suitable pond for raising crabs, it must have convenient water inlet and outlet, sufficient water source, and good water quality; the area should not exceed 5 mu, and the depth should not exceed 1.5 m. Prepare the pond for disinfection: after exposing it to the sun, disinfect it with quicklime. In addition to eating aquatic plants in the pond
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What are the breeding methods for river crab seedlings in earthen ponds?
I. Earthen pond river crab seedling rearing Earthen pond river crab seedling rearing refers to the method of artificially rearing river crab larvae in excavated ponds using natural seawater in coastal areas. This method is low in cost, simple and practical, and is suitable for specialized crab farming households. In addition to the rearing pond, earthen pond crab seedling rearing
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Key Technical Points for Planting Grass and Stocking Snails in Crab Culture Ponds
With the expansion of crab culture scale and the improvement of intensive farming levels, the water quality of aquaculture waters has deteriorated, the quality of river crabs has declined, and diseases have worsened, affecting the improvement of river crab culture benefits. In recent years, Dalong Township, Dafeng City, Jiangsu, has adopted the method of planting grass and stocking snails to culture river crabs.
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How to Increase Oriental River Prawn Yields in Mixed Shrimp-Crab Ponds
Mixed shrimp-crab culture is the main aquaculture model promoted under the fishery science and technology outreach program in Xiangcheng District. In recent years, while river crab prices have repeatedly been hit by the market, oriental river prawn prices have remained relatively firm. Therefore, while ensuring river crab growth, tapping the production potential of oriental river prawn has become a way to achieve
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Key Technical Points for Winter Management of River Crab Pond Aquaculture
2015 was a relatively warm winter, with daytime temperatures basically staying above 10°C. A warm winter is relatively special for river crabs, as their living habits are greatly affected by temperature. This is mainly because river crabs begin feeding at 10°C and feed normally above 16°C. Therefore, under warm winter conditions, the activity capacity and feeding of river crabs are significantly enhanced. Overwintering is a foundation, and how to let river crabs overwinter healthily and smoothly will directly affect our aquaculture benefits in 2015. This article shares some communication with everyone on the key points of winter management of river crab ponds.
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How to Prevent Moss in Crab Ponds? Key Points for Prevention and Control in Crab Farming
The massive growth of moss in crab ponds has an enormous impact on the survival rate of river crab seedlings and farming profitability. The main reasons for moss spreading in crab ponds are: (1) Relatively shallow water levels and strong light. During the germination and early growth stages of aquatic plants, to ensure the plants receive enough light
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Experience sharing on mixed culture of river crab and bass in ponds
1 Pond clearing and preparation After the pond is exposed to the sun, use 80kg of quicklime per 1/15 hectare to clear the pond and disinfect it, killing harmful organisms and pathogenic bacteria. 7d before stocking crab seedlings, fill with water to about 0.5m, apply 60kg of chicken manure per 1/15 hectare, cultivate plankton feed, and make the water color yellow-green, with transparency
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How to raise river crabs for high yields? Farming experience shared
The pond area for river crabs is preferably 10-30 mu, with a pond depth of 1.2-1.5 m, a slope of 1:(2-3), and a surrounding trench around the pond 2 m wide and 1.8-2.0 m deep. The coverage area of aquatic plants should account for 40-60% of the pond area. Suitable aquatic plants include Elodea, Vallisneria, and Hydrilla.
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What are the precautions for raising crabs in a new pond?
Because a new pond has just been built, there are still many precautions to note when using it to raise crabs. Below we will introduce them to you. In a new pond, appropriately plant alligator weed. Doing so not only provides food for the crabs, but also helps purify the water quality, prevent crab diseases,
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