Breeding method for late-maturing blue crabs
A breeding method and technology for mud crabs, applied in fish farming, application, climate change adaptation, etc., can solve the problems of no feeding, high price, no growth, etc. The effect of biting each other
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0016] Embodiment 1: a kind of breeding method of late-maturing mud crab, comprises the following steps:
[0017] (1) Selection point: choose a conventional temperature-controlled seedling pond as a breeding site in the southern region;
[0018] (2) The structure of the nursery pond: The nursery pond is designed according to the specifications of 9m*4m*2m, and 30 strings of crab cages are placed in each pond, with 6 crab cages in each string. Rod, every string of crab pots is fixed on the support rod by hook. The size of the crab cage is 30cm*30cm*20cm. There is a feeding port on the side of the crab cage, and a pull cover on the top. The blue crabs are placed in one crab and one cage;
[0019] (3) Control of water quality in nursery ponds: salinity is 12~15, temperature is 17°C~20°C;
[0020] (4) Selection of seedlings: From May to June, select young crabs born 20 days old with good quality as breeding objects and put them into the nursery pond;
[0021] (5) Ratio of bait:...
Embodiment 2
[0025] Embodiment 2: a kind of breeding method of late-maturing mud crab, comprises the following steps:
[0026] (1) Selection point: choose a conventional temperature-controlled seedling pond as the breeding site;
[0027] (2) The structure of the nursery pond: The nursery pond is designed according to the specifications of 9m*4m*2m, and 30 strings of crab cages are placed in each pond, with 6 crab cages in each string. Rod, every string of crab pots is fixed on the support rod by hook. The size of the crab cage is 30cm*30cm*20cm. There is a feeding port on the side of the crab cage, and a pull cover on the top. The blue crabs are placed in one crab and one cage;
[0028] (3) Control of water quality in nursery ponds: salinity is 15~18, temperature is 20°C~23°C;
[0029] (4) Selection of seedlings: From May to June, select young crabs born 25 days old with good quality as breeding objects and put them into the nursery pond;
[0030] (5) Ratio of bait: crush small fish, cr...
Embodiment 3
[0034] Embodiment 3: a kind of breeding method of late-maturing mud crab, comprises the following steps:
[0035] (1) Selection point: choose a conventional temperature-controlled seedling pond as the breeding site;
[0036] (2) The structure of the nursery pond: The nursery pond is designed according to the specifications of 9m*4m*2m, and 30 strings of crab cages are placed in each pond, with 6 crab cages in each string. Rod, every string of crab pots is fixed on the support rod by hook. The size of the crab cage is 30cm*30cm*20cm. There is a feeding port on the side of the crab cage, and a pull cover on the top. The blue crabs are placed in one crab and one cage;
[0037] (3) Control of water quality in nursery ponds: salinity is 18~20, temperature is 23°C~26°C;
[0038] (4) Selection of seedlings: From May to June, select young crabs born 30 days old with good quality as breeding objects and put them into the nursery pond;
[0039] (5) Ratio of bait: crush small fish, cr...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com