A comparative study on growth performance and biochemical composition of mixed culture of Isochrysis galbana and Chaetoceros calcitrans with monocultures

The growth performance, biochemical composition and nutritive value of the mixed culture of Isochrysis galbana and Chaetoceros calcitrans, grown in batch cultures under laboratory conditions was compared with those in monoculture conditions. In mixed culture, both species manifested their monocultur...

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Bibliographic Details
Published in:Aquaculture 2000, Vol.181 (1), p.141-155
Main Authors: Phatarpekar, P.V, Sreepada, R.A, Pednekar, Chhaya, Achuthankutty, C.T
Format: Article
Language:English
Subjects:
Algae
Algal culture (microalgae)
Aquaculture
Biochemical composition
Biological and medical sciences
Biotechnology
Chaetoceros calcitrans
Fundamental and applied biological sciences. Psychology
Growth characteristics
Isochrysis galbana
Marine
Methods. Procedures. Technologies
Mixed culture
Physical growth
Shellfish
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Summary:The growth performance, biochemical composition and nutritive value of the mixed culture of Isochrysis galbana and Chaetoceros calcitrans, grown in batch cultures under laboratory conditions was compared with those in monoculture conditions. In mixed culture, both species manifested their monoculture characteristics with some variations: I. galbana, as in its monoculture situation, had an initial rapid growth, while the growth rate of C. calcitrans was half that of its monoculture state. However, as the growth rate of C. calcitrans increased gradually during later stages of the experiment that of I. galbana decreased. Although C. calcitrans dominated the mixed culture during later stages, the population of I. galbana was not totally eliminated. Cellular concentrations of chlorophyll a, protein, carbohydrate, lipid and particulate organic carbon in monocultures and mixed culture peaked during the late exponential phase but were significantly higher ( P
ISSN:0044-8486
1873-5622
DOI:10.1016/S0044-8486(99)00227-6