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A method for constructing a model of the influence of temperature and light intensity on the viability of Ussuri larvae

A technology of light intensity and simulating larvae, applied in fish farming, application, climate change adaptation, etc., can solve the problems of exhaustion of species resources, high market prices, low natural yields, etc., to reduce breeding losses, improve survival rate, The effect of improving the quality of cultivation

Active Publication Date: 2019-11-08
HUAIYIN TEACHERS COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The natural output of wild Ussuri catfish is low, and the species resources have been gradually exhausted. The production only relies on artificial breeding, and the market price is relatively high.
At present, there are few research reports on the Ussuri catfish at home and abroad. Domestic scholars' research on this fish species mainly focuses on the development and utilization of artificial breeding technology, seed cultivation technology, gonad development, salinity adaptability, oxygen consumption rate and suffocation. Points, etc., there is no research report on this species of fish by foreign scholars
So far, no research has been found on the model of the effect of temperature and light intensity on the viability of Ussuri larvae

Method used

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  • A method for constructing a model of the influence of temperature and light intensity on the viability of Ussuri larvae
  • A method for constructing a model of the influence of temperature and light intensity on the viability of Ussuri larvae
  • A method for constructing a model of the influence of temperature and light intensity on the viability of Ussuri larvae

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Ussuri larvae that have just hatched for 1-2 days are artificially fertilized and hatched from broodstock bred by Huai'an Fishery Science Research Institute. Select normal larvae at room temperature as test fish.

[0034] Design the test program according to Table 1. Before the test, fill a 2000mL beaker with 1000mL tap water and aerate for 24 hours (pH 7, dissolved oxygen > 4.5mg.L -1 , ammonia nitrogen -1 ), and then placed in the artificial intelligence climate box (model RTOP-150Y), and the corresponding temperature and light intensity were set in advance. After the water temperature reaches the corresponding setting, put the test larvae.

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Abstract

The invention relates to a method for structuring a model with temperature and illumination intensity having effect on vitality of pseudobagrus ussuriensis larva fish and belongs to the technical of research on the vitality of the pseudobagrus ussuriensis larva fish. The method includes: taking the pseudobagrus ussuriensis larva fish newly hatched for 1-2 days and selecting the larva fish with normal state under room temperature as experiment fish; taking the experiment fish obtained in the previous step, dividing the experiment fish into a plurality of experiment factor combinations which are different in temperature and illumination intensity and performing the experiment, wherein each experiment factor combination contains a plurality of experiment fish; completing the experiment when all the larva fish are dead and calculating no-bait vitality coefficient SAI values; acquiring all the SAI values and the corresponding temperature and illumination intensity, taking the temperature and illumination intensity as independent variables and the SAI values as dependent variables, and performing fitting by adopting a least square method to obtain the model with the temperature and illumination intensity having effect on vitality of the pseudobagrus ussuriensis larva fish.

Description

technical field [0001] The invention belongs to the technical field of research on the viability of Ussuri larvae, and in particular relates to a method for constructing a model of the influence of temperature and light intensity on the vitality of Ussuri larvae. Background technique [0002] Pseudobagrus ussuriensis, also known as Pseudobagrus ussuriensis, also known as Oxtail, Huang Angzi, and Huilu fish, belongs to Siluriformes, Pleuridae, and Pseudobagrus genus. Widely distributed in Heilongjiang, Wusuli River, Nenjiang, Songhua River, Pearl River and other waters, Hongze Lake, Taihu Lake are also distributed. Ussuri catfish grows fast, has a wide range of food habits, delicious meat, and no intermuscular spines. It is an excellent top grade for cooking and as a hot pot ingredient. The natural output of wild Ussuri catfish is low, and the species resources have been gradually exhausted. The production only relies on artificial breeding, and the market price is relativel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10
CPCA01K61/00Y02A40/81
Inventor 王辉朱传坤潘正军常国亮丁怀宇
Owner HUAIYIN TEACHERS COLLEGE
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