NDLI: Dealing with the presence of the ciliate Euplotes sp. in cultures of the copepod Acartia tonsa

Content Provider	Springer Nature Link
Author	Drillet, Guillaume Dutz, Jörg
Copyright Year	2013
Abstract	Ciliates in live feed cultures can be a pest that lower production yields. This could dramatically affect the management and success of copepod cultures. In this study, we investigated the effect of the ciliate Euplotes sp. on egg production, specific egg production and egg hatching success of Acartia tonsa fed with Rhodomonas salina. We found that at a concentration of 2 cells ml−1, Euplotes sp. had no effect on the production and hatching success of eggs but increased/decreased the mortality/quality of non-subitaneous eggs. Euplotes sp. had a good fatty acid profile containing high proportion of unsaturated fatty acids, but the amount of fatty acids compared to their carbon weight was very low and, therefore, it was considered as a poor food source. We propose a short-term interruption of food supply to copepod cultures in order to mitigate bloom formation of ciliates. This will force copepods to feed on them actively as prey and therefore decrease their long-term negative effects.
Starting Page	391
Ending Page	398
Page Count	8
File Format	PDF
ISSN	09676120
Journal	Aquaculture International
Volume Number	22
Issue Number	2
e-ISSN	1573143X
Language	English
Publisher	Springer International Publishing
Publisher Date	2013-04-30
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ciliate Copepod Egg production Fatty acids Hatching success Freshwater & Marine Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Agronomy and Crop Science

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Effects of different wavelengths and intensities of visible light on the hatching success of Acartia tonsa Dana eggs

Egg cannibalism in Acartia tonsa: effects of stocking density, algal concentration, and egg availability

Recommended feeding regime and light climate in live feed cultures of the calanoid copepod Acartia tonsa Dana

Effects of light and short-term temperature elevation on the 48-h hatching success of cold-stored Acartia tonsa Dana eggs

Does female RNA content reflect viable egg production in copepods? A test with the Baltic copepod Acartia tonsa

Effects of adult stocking density on egg production and viability in cultures of the calanoid copepod Acartia tonsa (Dana)

Trophic transfer of fatty acids, sterols, and a triterpenoid alcohol between bacteria, a ciliate, and the copepod Acartia tonsa (1995)

Do Inactivated Microbial Preparations Improve Life History Traits of the Copepod Acartia tonsa?

Growth, egg production and hatching success of Acartia tonsa cultured at high densities

Dealing with the presence of the ciliate Euplotes sp. in cultures of the copepod Acartia tonsa

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Effects of different wavelengths and intensities of visible light on the hatching success of Acartia tonsa Dana eggs

Egg cannibalism in Acartia tonsa: effects of stocking density, algal concentration, and egg availability

Recommended feeding regime and light climate in live feed cultures of the calanoid copepod Acartia tonsa Dana

Effects of light and short-term temperature elevation on the 48-h hatching success of cold-stored Acartia tonsa Dana eggs

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Do Inactivated Microbial Preparations Improve Life History Traits of the Copepod Acartia tonsa?

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Dealing with the presence of the ciliate Euplotes sp. in cultures of the copepod Acartia tonsa