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Method for feeding bivalve with bivalve feeding agent

A technology of bivalve and feeding agent, which is applied in the field of bivalve feeding method, can solve the problems of low concentration, no increase of bivalve growth and flavor components, and no proof of bivalve, so as to prevent emaciation Effect

Inactive Publication Date: 2011-01-12
独立行政法人水产综合研究中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this is only a low-concentration and short-term administration experiment, and the growth promotion of bivalve shellfish such as increased shell length and weight gain by sugar intake has not been proved
[0009] According to the results of additional tests conducted by the present inventors, the use of low-concentration sugar of 0.18 mg / L (1 μM) did not find growth promotion of bivalve molluscs or increase of taste components, and it cannot be considered as an industrially beneficial feed. Effect

Method used

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  • Method for feeding bivalve with bivalve feeding agent
  • Method for feeding bivalve with bivalve feeding agent
  • Method for feeding bivalve with bivalve feeding agent

Examples

Experimental program
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Effect test

Embodiment 1

[0051]

[0052] 1. Sample

[0053] 1) Clams

[0054] The Hakata Island Cultivation Technology Development Center of the Seto Inland Sea Fisheries Research Institute of the Independent Administrative Legal Person Fisheries Research Institute, after harvesting eggs, artificially reared clam shellfish seedlings (365-day order, shell length 7.5mm-9.5mm, plumpness 15.9 ), with an average shell length of 8.49mm, 15 pieces were selected and put into the water tank as a group.

[0055] Raising, using a cylindrical polystyrene water tank with a volume of 5L, using filtered natural seawater, and feeding for 22 days while aerating (average water temperature 24.7°C, average salinity 33.0‰, average pH 8.1, average dissolved oxygen 6.7mgO 2 / L). The feeding conditions are: at 9 o'clock in the morning, the diatom bait キ-トセロスカルシトランス (Nissin サイエンス, trade name Suncalcha-) is administered once to reach a concentration of 80,000 cells / mL in still water until 16:00 After ingesting bait for 7 ...

Embodiment 2

[0071]

[0072] 1. Sample

[0073] 1) Clams

[0074] We purchased clams (average shell length: 35.0 mm) from the storage tank of Hamageho Fishery in Hiroshima Prefecture. Place them overnight in a tank with natural seawater flow for domestication, and select normal individuals that have opened their shells for feeding experiments.

[0075] 2) Bivalve mollusc feeding agent

[0076] D-glucose (a monosaccharide with a molecular weight of 180 and a purity of more than 98%) is used as a feeding agent for bivalve molluscs.

[0077] 2. Confirmation test of osmotic pressure resistance

[0078] Pour natural seawater (salt concentration 3.0%) into a 5L volume plastic cylindrical water tank, dissolve and administer D-glucose as a bivalve feeding agent to 0.01w / v% (100mg / L), 0.1w / v% (1000mg / L), 0.5w / v% (5000mg / L), 1w / v% (10000mg / L), 3w / v% (30000mg / L), 5w / v% (50000mg / L). In addition, as a control, a test area in which D-glucose was not administered was provided.

[0079] Three wat...

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Abstract

The invention provides a method for feeding bivalve with bivalve feeding agent, which comprises the steps of using cellobiose and stored sugar or the sugar forming stored sugar with a molecular weight less than 540 as the bivalve feeding agent and solving the bivalve feeding agent in the bivalve feeding environment till the concentration is 10mg / l to 30000mg / l.

Description

technical field [0001] The invention relates to a bivalve mollusc raising method using a bivalve mollusk feeding agent. More specifically, it relates to a novel bivalve rearing method using an effective bivalve feeding agent such as effective promotion of growth of bivalve molluscs, increase of flavor components, and the like. Background technique [0002] In the breeding of fish, crustaceans, shellfish and other fish and shellfish in the aquaculture industry, or the cultivation of animal plankton as the bait, the breeding of bait and feed is carried out. Bait and feed can be roughly divided into two categories: natural bait and artificial feed. However, natural bait requires cost, and in addition, it is difficult to produce stably, so the research of replacing it with artificial bait has been carried out intermittently for half a century. [0003] As a result, various solid feeds have been developed and sold for fish, crustaceans, and gastropods, and have been actually us...

Claims

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Application Information

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IPC IPC(8): A23K1/16A01K61/00A01K61/51A01K61/54
CPCY02A40/81
Inventor 内田基晴兼松正卫
Owner 独立行政法人水产综合研究中心
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