Artificial nursery stock growing method for Ooctopus ocellatus

A kind of octopus and artificial technology, which is applied in the field of artificial breeding of octopus and cephalopod marine organisms in factory, can solve the problems that cannot break through the artificial breeding of large-scale cephalopod marine organisms, and achieve strong operability and operability of breeding Strong, technically stable effect

Inactive Publication Date: 2008-12-10
ZHEJIANG OCEAN UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the existing technical problem of being unable to break through the large-scale artificial breeding of cephalopod marine organisms, and provides an industrialized fully artificial breeding method that can obtain a large number of high-quality, healthy fertilized eggs and further cultivate a large number of octopus juveniles

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Select 18, 25Kg true octopus parents, and put them into the nursery pond for intensive cultivation for 30 days; the intensive cultivation conditions are: keep the water temperature at 20°C, the salinity at 30, the daily water change rate is 100%, and the bait is fresh and live shrimp and crab. The feeding amount accounts for 8% of the body weight of the parent octopus. After the parent octopus after intensive cultivation confirms that the gonads are mature, they are transferred to the spawning pool to lay eggs, and a 35 cm long and 20 cm diameter black polyethylene plastic is placed in the pool. Attach the ovipositor and feed fresh shrimp and crabs as feed. The daily water change is 100%, and the water temperature in the pool is kept at 20°C and the salinity is 30. After the true octopus parents naturally spawn, 305,000 fertilized eggs are collected; The ovipositors of the fertilized eggs were put into the aquarium and hatched with running water and micro-inflation; the ...

Embodiment 2

[0026]Select 18, 25Kg true octopus parents, and put them into the nursery pond for intensive cultivation for 20 days; the intensive cultivation conditions are: keep the water temperature at 25°C, the salinity at 35, the daily water change rate of 200%, and the bait is fresh and live shrimp and crab. The feeding amount accounts for 12% of the body weight of the parent octopus. After the parent octopus after intensive cultivation is confirmed to have mature gonads, it is moved into the spawning pool to lay eggs, and a 35 cm long and 10 cm diameter black polyethylene plastic is placed in the pool. Attach the ovipositor and feed fresh shrimp and crabs as feed. The daily water change is 200%, and the water temperature in the pool is kept at 25°C and the salinity is 35; The ovipositors of the fertilized eggs were put into the aquarium and hatched with running water and micro-inflation; the running water volume was 100%; after 31 days of indoor artificial incubation, 227,000 larvae we...

Embodiment 3

[0030] Select 18, 25Kg true octopus parents, and put them into the nursery pond for intensive cultivation for 15 days; the intensive cultivation conditions are as follows: keep the water temperature at 28°C, salinity 40, and the daily water change rate is 300%, and the bait is fresh and live shrimp and crab. The feeding amount accounts for 15% of the body weight of the parent octopus. After the parent octopus after intensive cultivation is confirmed to have mature gonads, it is moved into the spawning pool to lay eggs, and a 35 cm long and 30 cm diameter black polyethylene plastic is placed in the pool. Attach the ovipositor, and feed fresh shrimp and crabs as feed, change the water volume 300% daily, keep the water temperature in the pool at 26°C, and keep the salinity at 40; The ovipositors of the fertilized eggs were put into the aquarium and hatched with running water and micro-inflation; the running water volume was 150%; after 31 days of indoor artificial incubation, 216,...

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PUM

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Abstract

The invention relates to an artificial seedling method for Octopus vulgaris in factory, comprising the seedling steps as follows: parent clam reinforced cultivation of Octopus vulgaris, spawning and hatching, larval rearing, juvenile culture of Octopus vulgaris, etc. The method can lead the Octopus vulgaris to realize the natural spawning indoors, and gain high-quality spermatozoa and ovum and high fecundation rate and hatching rate, realize full-manpower cultivation of Octopus vulgaris seedlings in the factory, successfully cultivate the healthy and high-quality juvenile Octopus vulgaris; furthermore, the seedling process has strong maneuverability and stable technique.

Description

technical field [0001] The invention relates to a method for raising seedlings of cephalopod marine organisms, in particular to a method for artificially raising seedlings of industrialized octopuses, belonging to the technical field of aquaculture. Background technique [0002] Many species of cephalopod marine organisms are important fishing objects of the world's marine fisheries and have important economic value. The development and utilization of these species have always been valued by countries all over the world. In recent years, with the decline of some marine cephalopod marine biological resources, people's research focus on cephalopod marine organisms has gradually shifted from the simple investigation and assessment of marine resources in the past to the technical aspects of rational utilization, protection and proliferation of marine resources. . So far, in the protection, development and comprehensive utilization of cephalopod marine organisms, many scholars a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A23K1/18A23K10/22A23K50/80
CPCY02A40/81
Inventor 常抗美吴常文吕振明徐梅英迟长凤
Owner ZHEJIANG OCEAN UNIV
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