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Method used for inducing Apostichopus japonicus gonad development

A technology of ginseng gonads and gonads, applied in the field of aquaculture, can solve problems such as difficult to accurately grasp the ovulation time of sea cucumbers, and achieve the effect of improving operability and production efficiency

Inactive Publication Date: 2016-04-06
中国水产科学研究院营口增殖实验站 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a method for inducing gonad development of japonicus japonicus to solve the problem in the prior art that it is difficult to accurately grasp the ovulation time of japonicus japonicus when artificially raising seedlings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] In 2010, 80 sea cucumbers were cultured at Yingkou Multiplication Experimental Station. The seed ginseng came from locally purchased ginseng 3 years old and above, and the individual size was 250-450g. They were bred in 4mx6m ponds with a water depth of 1m. From the beginning of the incubation period, the windows of the indoor breeding workshop should be covered with shading cloth, and the light intensity should be controlled to 50 Lux, and the dissolved oxygen in the water should be guaranteed to be 4.0 mg / l. The ginseng pond changes half of the water every day, and the pond is completely cleaned within three days. During the induction process, live microbial organisms are fed (among which, the concentration of bacillus is 3ppm), the water quality is adjusted, the growth environment of sea cucumbers is improved, and sea cucumbers are used for growth. And fed bait, where the nutritional composition of the bait is: water 7%, crude protein 10.5%, fat 3%, crude ash 72.5%, f...

Embodiment 2

[0033] In 2011, 120 stichopus stichopus at Yingkou Multiplication Experimental Station were used to promote maturity. The seed ginseng was sourced from locally purchased ginseng of 3 years old and above, and the individual size was 300-500g. They were concentrated in a 4mx6m pond with a water depth of 1 meter. From the beginning of the cultivation period, the windows of the indoor breeding workshop should be covered with shading cloth, and the light intensity should be controlled at 30 Lux, and the dissolved oxygen level in the water should be 5.0 mg / l. The ginseng pond changes half of the water every day, and the pond is completely cleaned within three days. During the induction process, feed the live microorganisms (including the Bacillus concentration of 3ppm) to adjust the water quality and improve the growth state of sea cucumbers. And fed bait, the nutritional composition of the bait is: moisture 7±0.1%, crude protein 10.5±2.3%, fat 3±0.4%, crude ash content 72.5±3.1%, fi...

Embodiment 3

[0036] In 2012, 100 species of ginseng were induced at the Yingkou Multiplication Experimental Station. The seed ginseng originated from locally purchased third-year-old ginseng, with an individual size of 400-505 grams, and was placed in a 4mx6m pool with a water depth of 1m. From the beginning of the cultivation period, the windows of the indoor breeding workshop should be covered with shading cloth to keep the light intensity controlled at 10 Lux and the dissolved oxygen level in the water 6.0 mg / l. The ginseng pond changes half of the water every day, and the pond is completely cleaned within three days. Feed the bait, where the nutritional composition of the bait is: moisture 7±0.1%, crude protein 10.5±2.3%, fat 3±0.4%, crude ash 72.5±3.1%, fiber 7.0±0.4%, energy 8136.368±21.352J / g. Steps to increase temperature during the gonadal development induction cycle: increase the temperature by 0.5°C every day, control the water temperature at 10 to 14°C, and measure the tempera...

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Abstract

The invention provides a method used for inducing Apostichopus japonicus gonad development. The method comprises that Apostichopus japonicus is arranged in seawater for breeding, seawater is heated to induce the Apostichopus japonicus to carry out gonad development, during the heating process, a linear function K=N(T-C) is employed to monitor the biological zero degree and the effective accumulated temperature of the Apostichopus japonicus, when the biological zero degree of the Apostichopus japonicus C=6.14+ / -0.82 DEG C, and the effective accumulated temperature of the Apostichopus japonicus K=800.19+ / -78.62 DEG C *d, the gonad of the Apostichopus japonicus is mature, N is the gonad development number of days, and T is the average water temperature of seawater during the breeding period. According to the invention, through a heating manner, the Apostichopus japonicus gonad development is induced, the biological zero degree and the effective accumulated temperature are monitored to accurately indicate that the gonad of the Apostichopus japonicus is mature, a full year breeding mode can be achieved, operating level and productivity effect of manual large-scale breeding are improved.

Description

Technical field [0001] The invention relates to the field of aquaculture, and in particular to a method for inducing the development of gonads of sea cucumbers. Background technique [0002] With the continuous expansion of the area and scale of factory farming of sea cucumbers, indoor artificial seedling technology is becoming more mature. With good seedling raising technology, complete and reasonable seedling raising technology, and high scientific and technological content, better benefits can be achieved in artificial seedling raising of sea cucumbers. How to artificially control the spawning time of sea cucumbers is a common concern of the majority of scientific and technological workers and farmers. At present, the artificial breeding methods of sea cucumbers usually estimate the spawning time of sea cucumbers based on their own experience. A scientific method is used to control the spawning time of sea cucumbers, so it is impossible to realize large-scale seedling breedin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81A01K61/00
Inventor 李爽蒋丽李恒德李耕
Owner 中国水产科学研究院营口增殖实验站
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