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A guide to mastering large-water-area river crab farming from five aspects
River crab, also known as hairy crab or crab, with the scientific name Chinese mitten crab (Eriocheir sinensis), commonly inhabits waters with fresh water quality and abundant aquatic plants, and has the characteristic of being active at night and resting by day, generally coming out at night to move about and feed. Each year from June to September is the peak period for river crab activity and feeding. Large-water-area farm
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Key Technical Points for Intensive Management of Oriental River Prawn in Autumn and Winter
Currently, it is the key season for stocking oriental river prawn in autumn and winter. Doing a good job in substrate, seed stock, bait, and water quality control, and effectively preventing disease and surfacing, are the top priorities for increasing production and income of oriental river prawn by the end of the year. Below, the relevant techniques for intensive culture of oriental river prawn are discussed from five aspects, for the reference of
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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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Nutritional Requirements of River Crab Farming and Experience in Compound Feed Production
The river crab is a unique aquatic delicacy of China, renowned at home and abroad for its high nutritional value and distinctive flavor, and has become an important export product for earning foreign exchange. Therefore, from lakes and reservoirs to ponds and rice fields, river crab farming is being promoted on a large scale. The rapid
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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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Key Technical Points for Winter Management of River Snails
From mid-August to October, preparations are made for hibernation. In the early period, appetite gradually increases, storing up nutrients in preparation for hibernation. Before entering hibernation, their food intake decreases, and it is appropriate to feed them twice a week. When the water temperature drops to around 10°C, river snails begin to hibernate. Winter management and overwintering methods for river snails
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Detailed Explanation of New Techniques for Artificial Freshwater Farming of River Crab
River crab, commonly known as crab, also called hairy crab, mitten crab, etc. It belongs to the class Crustacea, family Grapsidae. The cephalothorax is squarish-oval, generally 6-7 cm long, usually green. The chelipeds are powerful and densely covered with downy hair, and the walking legs are flattened laterally and long. Wild river crabs live in the muddy beaches of the embankments of rivers, lakes and marshes,
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Key technical points for overwintering storage of river crabs: these methods you need to master
River crabs are generally caught and brought to market in a concentrated period from early October to the end of November each year, so the volume is large and the price is low, and farming profits are not high. Overwintering storage of river crabs helps stagger the peak marketing season, raise the market price of river crabs, and thereby achieve the best economic benefits. 1. The pond should
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How centipede farmers can manage the hibernation period well
In the middle and lower reaches of the Yangtze River, centipedes enter hibernation in November each year. At this time, the centipedes' outdoor activity gradually decreases, their food intake also gradually decreases, and they gradually move deeper into the rearing soil, building their own hibernation nests in a suitable soil layer. As the temperature drops further
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