The Effects of Microalgae as Live Food for Brachionus plicatilis (Rotifer) in Intensive Culture System

Abd Rahman, Abdull Razak and Che Cob, Zaidi and Jamari, Zainoddin and Mohamed, Abdul Majid and Toda, Tatsuki and Ross, Othman Haji (2018) The Effects of Microalgae as Live Food for Brachionus plicatilis (Rotifer) in Intensive Culture System. Tropical Life Sciences Research, 29 (1). pp. 127-138. ISSN 1985-3718

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Official URL: https://doi.org/10.21315/tlsr2018.29.1.9

Abstract

Brachionus plicatilis is used to feed fish and crustacean larvae in the aquaculture industry. It is well established that the type of microalgae may influence rotifer production. This experiment was conducted to determine the effect of five different locally available microalgae species at Fisheries Research Institute (FRI), Kampung Pulau Sayak, Kedah, Malaysia on the instantaneous growth rate (µ) of rotifer. Nannochloris sp., Tetraselmis sp., Isochrysis sp., Chlorella sp., and Nannochloropsis sp. were used as feed at different algae densities (0.1, 0.3, 0.7 and 1.5 × 106 cells/ml) and culture volumes (20, 70 and 210 ml). At algae densities ranging from 0.3 to 1.5 × 106 cells/ml, an average µ value of more than 0.90 per day were recorded for all algae species. However, at density of 0.1 × 106 cells/ml, only Tetraselmis sp. resulted in the significantly highest µ value compared with others (p < 0.05). In terms of volume, smaller culture volume of Tetraselmis sp. (20 ml) showed significantly higher µ compared with higher volume (70 and 210 ml cultures).

Item Type: Article
Additional Information: Abdul Majid Mohamed. Biology Division, Centre for Foundation Science, Universiti Malaya, Kuala Lumpur, 50603, Malaysia.
Uncontrolled Keywords: Brachionus placitilis; Instantaneous Growth Rate; Intensive Culture; Nannochloris sp.; Tetraselmis sp.; Isochrysis sp.; Chlorella sp.; Nannochloropsis sp.
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
Divisions: Centre for Foundation Studies in Science > Biology Division
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 14 Oct 2019 09:23
Last Modified: 14 Oct 2019 09:23
URI: http://eprints.um.edu.my/id/eprint/22755

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