Method for preventing disease and strengthening multiple nutrition of biological bait for blue crab breeding

By repeatedly disinfecting and nutritionally strengthening the nauplii of rotifers and brine shrimp during the breeding process of mud crabs, the problems of diseases carried by biological feed and insufficient nutrition were solved, thus achieving healthy growth of crab seedlings and disease prevention and control.

CN119111438BActive Publication Date: 2026-01-16ZHEJIANG MARICULTURE RES INST
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Patent Information

Application Number
CN202411512646.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2026-01-16
Estimated Expiration
2044-10-28

AI Technical Summary

Technical Problem

In the current process of raising mud crab seedlings, live feed is prone to carrying diseases and is not nutritious. Existing disinfection methods are not effective in killing pathogens in the body, which affects the growth of crab seedlings.

Method used

Multiple disinfection and nutritional fortification methods were used to disinfect rotifers and artichoke nauplii multiple times. Combined with the addition of probiotics and various algae, the disease prevention and control effect of the live feed was improved, and the nutritional needs of crab seedlings were specifically enhanced.

Benefits of technology

It effectively removes pathogens from live feed, provides sufficient and diverse nutrition, ensures the healthy growth of crab larvae, and reduces the occurrence of diseases.

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Abstract

The application discloses a disease prevention and multi-nutrition strengthening method for biological bait of blue crab breeding, which is applied to biological bait of the blue crab during the period from the nauplius to the zoea, and technical scheme points include disease prevention and multi-nutrition strengthening of rotifer and disease prevention and multi-nutrition strengthening of brine shrimp nauplius. Through multiple disinfection and multi-nutrition strengthening of the living biological bait, especially the rotifer and the brine shrimp nauplius, diseases of the crab seedlings caused by the biological bait with disease bacteria are prevented, and meanwhile, nutrition substances in the biological bait are specialized according to the growth and development needs of the crab seedlings, so that good growth and development of the crab seedlings are ensured.
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