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Mar. Drugs 2019, 17(1), 29;

Development of an Integrated Mariculture for the Collagen-Rich Sponge Chondrosia reniformis

Porifarma BV, Poelbos 3, 6718 HT Ede, The Netherlands
Marine Animal Ecology, Wageningen University, P.O. Box 338, 6700 AH Wageningen, The Netherlands
Studio Associato Gaia, Piazza della Vittoria 15/23, 16121 Genova, Italy
Department of Freshwater and Marine Ecology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, P.O. Box 94248, 1090 GE Amsterdam, The Netherlands
Author to whom correspondence should be addressed.
Received: 29 November 2018 / Revised: 26 December 2018 / Accepted: 27 December 2018 / Published: 5 January 2019
(This article belongs to the Special Issue Collagen from Marine Biological Source and Medical Applications)
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In this study, novel methods were tested to culture the collagen-rich sponge Chondrosia reniformis Nardo, 1847 (Demospongiae, Chondrosiida, Chondrosiidae) in the proximity of floating fish cages. In a trial series, survival and growth of cultured explants were monitored near a polluted fish farm and a pristine control site. Attachment methods, plate materials, and plate orientation were compared. In a first trial, chicken wire-covered polyvinyl chloride (PVC) was found to be the most suitable substrate for C. reniformis (100% survival). During a second trial, survival on chicken wire-covered PVC, after six months, was 79% and 63% for polluted and pristine environments, respectively. Net growth was obtained only on culture plates that were oriented away from direct sunlight (39% increase in six months), whereas sponges decreased in size when sun-exposed. Chicken wire caused pressure on explants and it resulted in unwanted epibiont growth and was therefore considered to be unsuitable for long-term culture. In a final trial, sponges were glued to PVC plates and cultured for 13 months oriented away from direct sunlight. Both survival and growth were higher at the polluted site (86% survival and 170% growth) than at the pristine site (39% survival and 79% growth). These results represent a first successful step towards production of sponge collagen in integrated aquacultures. View Full-Text
Keywords: mariculture; sponge; Chondrosia reniformis; fishfarm; integrated multitrophic aquaculture mariculture; sponge; Chondrosia reniformis; fishfarm; integrated multitrophic aquaculture

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Gökalp, M.; Wijgerde, T.; Sarà, A.; De Goeij, J.M.; Osinga, R. Development of an Integrated Mariculture for the Collagen-Rich Sponge Chondrosia reniformis. Mar. Drugs 2019, 17, 29.

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