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Method for ecologically breeding litopenaeus vannamei by replacing part of feeds with living baits

A technology that replaces part and vanabin, applied in the field of aquatic ecological farming, to achieve the effect of preventing the flooding of blue-green algae, large feeding space, and high nutritional value

Active Publication Date: 2020-04-10
天津开发区坤禾生物技术有限公司
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

There is no report on raising Litopenaeus vannamei with this ecological method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0064] (1) Test time and place: The test was carried out on May 26, 2019 in three open-air ponds in Wangcun Fishing Ground, Xiqing District, Tianjin. The three ponds have an area of ​​40 mu (1 # ), 30 acres (2 # ), 50 acres (3 # ).

[0065] (2) Test pond conditions:

[0066] The three ponds are intensive shrimp ponds. The situation of releasing seedlings in the three ponds and feeding the species of feed were consistent. All three ponds had been drained the previous winter before the trial began.

[0067] (3) Breeding process:

[0068] randomly select 1 # Pond as a test pond, 2 # and 3 # Ponds were control ponds. The 1# pond is managed according to the methods and principles mentioned above, and more microecological preparations are used to replace part of the compound feed with biological bait. 2 # and 3 # Ponds were cultured according to conventional methods.

[0069] Three ponds were applied fermented manure 3kg / mu. Put the seedlings into the water, the depth ...

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Abstract

The invention belongs to the technical field of aquatic product ecological breeding, and particularly relates to a method for ecologically breeding litopenaeus vannamei by replacing part of feeds withliving baits. The method is characterized by comprising the steps of (1) applying fermented dung to the bottom of a pond as a base fertilizer, wherein water intake depth is 60-80cm before litopenaeusvannamei fries are put, and performing disinfection treatment; (2) putting litopenaeus vannamei fries: applying composite microorganism preparations, putting the litopenaeus vannamei fires at the peak period of rotifers, and after 15 days of putting the litopenaeus vannamei fries, putting grass carps; (3) after 30-90 days after putting the litopenaeus vannamei fries, maintaining biomass in the pond to be sufficient, and maintaining bred animals, zooplankton and phytoplankton balanced; and (4) collecting litopenaeus vannamei: continuing breeding the litopenaeus vannamei for 30 days, mainly feeding compound feeds, enabling the shred litopenaeus vannamei to eat biological baits as assistance, after the length of litopenaeus vannamei bodies is 15cm or above, inducing the litopenaeus vannameiwith feeds, and harvesting the litopenaeus vannamei. The method disclosed by the invention has the beneficial effects that more energy in ecological circulation can flow into bred products, ecologicalenvironment circulation is promoted, environmental pollution is reduced, feed feeding is reduced, and the cost can be reduced.

Description

technical field [0001] The invention belongs to the technical field of aquatic ecological cultivation, and in particular relates to a method for ecological cultivation of Litopenaeus vannamei by using live bait instead of part of feed. Background technique [0002] Litopenaeus vannamei has a wide and mixed diet. For larvae living in planktonic life in natural sea areas, the proportion of plant-based bait in the food composition is relatively high, such as algae, humus, protozoa, etc. After metamorphosis into adult shrimp, they can eat various animal and plant-based bait in the following order: algae, protozoa , Rotifers, Cladocera, Copepods, etc. Under the conditions of artificial breeding, rotifers, artemia, egg yolk or shrimp slices can be fed to juvenile shrimp, and artificial compound feed can be fed to juvenile shrimp and adult shrimp. [0003] According to reports, Litopenaeus vannamei has strong resistance to rough feeding, and the level of animal protein in the com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/59A23K10/20A23K10/30A23K50/80
CPCA23K10/20A23K10/30A23K50/80A01K61/59Y02A40/81Y02A40/818
Inventor 刘刚孙海远王淑会刘金龙
Owner 天津开发区坤禾生物技术有限公司
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