The life history parameters of Diaphanosoma excisum (Cladocera), grown in different culturing media
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Life history parameters of Diaphanosoma excisum (SARS) were derived from culture tube experiments with media comprising mohua oil cake, mustard oil cake, cow dung and rice bran. Body length, longevity, fecundity and progeny production were highest in rice bran medium. First reproduction time (A) in different media ranged from 2 to 6 days, while the reproduction peak (T) varied from 4 to 13 days. The total offspring per female (S) was directly dependent upon the mean number of eggs per female per life span. The intrinsic (r) and finite rate (er) of natural increase were larger for rice bran than for other media.
Keywordslife history Diaphanosoma Cladocera organic manure zooplankton culture
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