不同食物组合与投喂方法对蒙古裸腹生长和生殖的影响

A laboratory experiment was carried out to evaluate effects of different food composition and feeding regimes on growth and reproduction of Moina mongolica Daday. Three food composition (1×10～6cells·mL-1 Chlorella sp. +2×10-5g·mL-1 baker's yeast, 1.5×10～6 cells·mL-1 Chlorella sp. +1.5×10-5g·mL-1 baker's yeast, 2×10～6 cells·mL-1 Chlorella sp. +1.0×10-5g·mL-1 baker's yeast) and two feeding regimes （feeding the M. mongolica mixture of Chlorella sp. and baker's yeast everyday, or Chlorella sp. and baker's yeast alternately ） were examined in the experiment. There were no significant differences in increment of body length, age at maturity, intervals between broods, brood number, brood size and total reproductive output between the M. mongolica fed with different mixed food using same feeding regimes. Lower daily reproductive output, however, was observed in the individuals fed mixChlorella sp. and 2×10-5g·mL-1 baker's yeast. When fed the mixed food with same composition, the M. mongolica that were fed mixture of Chlorella sp. and baker's yeast daily did not exhibit significantly different growth and reproduction performances compared to the individuals fed Chlorella sp. and baker's yeast alternately. The results suggest the mixture of 1.5×10～6cells·mL-1 Chlorella sp. +1.0×10-5g·mL-1 baker's yeast is a nutritionally adequate food item for M. mongolica, and flexible feeding regime, feeding the animal either with mixture of Chlorella sp. and baker's yeast daily or with Chlorella sp. and baker's yeast alternately, can be used in commercial production of M. mongolica.