The fecundity patterns of S and L type rotifers of Brachionus plicatilis |
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Authors: | Hirayama Kazutsugu Rumengann Inneke F M |
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Institution: | (1) Graduate School of Marine Science and Engineering, Nagasaki University, 852 Nagasaki, Nagasaki, Japan;(2) Faculty of Fisheries, Sam Ratulangi University, 95115 Manado, Indonesia |
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Abstract: | Fecundity patterns of S and L type rotifers Brachionus plicatilis, which were previously found to have distinct growth ability, were analyzed using data of age-specific fecundity. The data were obtained by individual cultures of S and L type strains at 17, 24 and 34 °C. The pattern was analyzed by using normal probability functions. When the age was transformed into logarithmic value, the S and L types had an identical pattern of fecundity at every temperature. This fact indicates that the difference of the growth response to the temperature between S and L type strains stemmed only from the differences in net reproduction rate, not from the pattern. |
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Keywords: | S and L type rotifers fecundity pattern normal distribution function slope intercept |
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