Abstract
The present study investigated the possible changes in the mixis potential of rotifer resting eggs produced by a single stock ofBrachionus plicatilis and collected and preserved annually from 1985–1998. Several clones derived from each batch of resting eggs were cultured under the same conditions for 21 days. The percentage of clones appearing resting eggs and the average yield of resting eggs produced from each clone were recorded and statistically analyzed to find the differences between the mixis potential of those resting egg batches. Results showed that different batches of resting eggs had different mictic levels among their descendent clones; but no regular relationship was found between the mixis potential of resting eggs and their collection times/preservation periods. Several internal and external factors that might affect the mixis potential of resting eggs were discussed.
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Contribution No. 4145 from the Institute of Oceanology, Chinese Academy of Sciences.
Project was supported by a grant from the Singapore-China Biotechnology Program of the Institute of Molecular Agrobiology, an affiliate of the National University of Singapore, and also supported by Marine Aquaculture Center, Agri-food and Veterinary Authority of Singapore.
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Li, Z., Yan, Z. & Jian-Hai, X. Study on mixis potential of rotifer resting eggs (Brachionus plicatilis) with different collection times and different preservation periods. Chin. J. Ocean. Limnol. 19, 222–227 (2001). https://doi.org/10.1007/BF02850658
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DOI: https://doi.org/10.1007/BF02850658