Liquid containing diatom, diatom and method for culturing diatom

A cultivation method and diatom technology, which are applied in seaweed cultivation, botanical equipment and methods, cultivation and other directions, can solve the problems of inability to obtain sufficient cultivation amount and the like
CN100500828CInactive Publication Date: 2009-06-17マリンテック
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
マリンテック
Publication Date
2009-06-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

A liquid for culturing diatom comprising nitrogen, silicon and phosphorus, wherein a value of silicon / nitrogen, representing the ratio of concentration by mass of silicon to nitrogen, is set to be a value of 0.06 or more, and a value of phosphorus / nitrogen, representing the ratio of concentration by mass of phosphorus to nitrogen, is set to be a value of 0.18 or more, and the pH of the culture liquid is set in the range of 6.4 to 8.4. The culture liquid allows the culture of Chaetoceros at a cell concentration greater than the maximum value (3 X 10<13> cells / m<3>) achieved by the conventional culture methods and with stability.
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Description

technical field

[0001] The present invention relates to diatoms as microalgae, which are used as bait for shellfish such as oysters and pearl oysters, crustaceans such as prawns and prawns, and aquatic seedlings such as echinoderms such as sea cucumbers and sea urchins. More specifically, it relates to A liquid containing diatoms and a method for cultivating diatoms. Background technique

[0002] In recent years, diatoms classified as microalgae such as the genus Chaetoceros and the genus Phaeodactylum (such as the genus Chaetoceros) have been used as bait for breeding aquatic seedlings such as shellfish, crustaceans, and echinoderms. Calcitrans, gracilis, etc.) have begun to attract people's attention.

[0003] For example, Chaetoceros calcareous has one long flagella in each of the four horns. Since the diameter (full length) of Chaetoceros calcareous is about 3 to 6 μm, it is particularly suitable as a bait for aquatic seedlings.

[0004] Diatoms, one of microalgae, ar...

Claims

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