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Application of vibrio halioticoli as feed additive in abalone farming

A technology of feed additive and abalone, which is applied in the field of abalone enterovibrio as a feed additive in abalone farming, to achieve the effect of promoting nutrient absorption

Inactive Publication Date: 2012-08-01
DALIAN HAIBAO FISHERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, so far, there is no application of Enterovibrio abalone as a feed additive for abalone farming (mixed in the feed or sprinkled in the pond)

Method used

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  • Application of vibrio halioticoli as feed additive in abalone farming
  • Application of vibrio halioticoli as feed additive in abalone farming
  • Application of vibrio halioticoli as feed additive in abalone farming

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] one. Isolation and Screening of Enterovibrio WA51 Strain from Abalone

[0012] 1. Source of abalone

[0013] Collected from Dalian sea area.

[0014] 2. Isolation of Enterovibrio WA51 Strain from Abalone

[0015] Dissect and homogenize the intestinal tract of healthy abalone wrinkled under sterile conditions, spread it on 2216E solid medium after gradient dilution, and incubate at a constant temperature of 25°C for 72~96h; pick the strains with the morphology shown in Table 1 to isolate and purify, and then inoculate 2216E The slant medium was stored for later use; the components and proportions of the 2216E medium were: 0.5g peptone, 0.1g yeast extract, 0.001g ferric phosphate, 1000mL seawater, pH 7.2~7.4, sterilized at 121°C for 20min.

[0016] Table 1 Culture characteristics of strains

[0017]

[0018] 3. Screening of Enterovibrio WA51 strain from abalone

[0019] Take the intestinal bacterial strains isolated from the above step 2 preserved in the laborato...

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Abstract

The invention relates to application of vibrio halioticoli as a feed additive in abalone farming. Vibrio halioticoli (WA51 strain) has strong alginase activity and can degrade the main component alginic acid of alga in feed into oligosaccharides and short-chain aliphatic acid, which can be easily absorbed by organisms, so the invention provides application of vibrio halioticoli as a feed additive in abalone farming. When used as a feed additive for juvenile abalones, vibrio halioticoli facilitates juvenile abalones' competition with pathogenic bacteria for adhesion sites, maintains normal microecological balance in intestinal tracts and can colonize in intestinal tracts of abalones; vibrio halioticoli can promote absorption of nutrients and improve immunity, thereby further improving the growth speed and disease resistance of haliotis discus hannai; and vibrio halioticoli can substitute chemicals for disease prevention and control and does not destroy ecological environment.

Description

technical field [0001] The present invention relates to a kind of abalone enterovibrio ( Vibrio halioticoli ), especially the application of Enterovibrio abalone as a feed additive in abalone farming. Background technique [0002] Wrinkled plate abalone ( Haliotis discuss hannai ) is an important marine biological resource in my country. It is naturally distributed in the Bohai Sea, the Yellow Sea and the Sea of ​​Japan. It is known as the soft gold of the ocean and ranks first among the eight seafood treasures. It has high nutritional and medicinal values. However, the slow growth of abalone is one of the main problems faced by the abalone aquaculture industry. Although the growth rate of abalone can be accelerated through artificial feeding and bait, it still takes 3 to 4 years to reach the market standard of 80 mm; The application of compound bait will also bring problems such as rapid deterioration of water quality, low feed coefficient and serious disease occurrence....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/16A23K1/18C12N1/20C12R1/63
Inventor 刘明泰刘小林常亚青姜海峰许淑芬王高学冷晓飞张艳高洪涛邹闯李旭光陈丹
Owner DALIAN HAIBAO FISHERY
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