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- Title
Effects of population density and culture volume on the growth and reproduction of Moina irrasa.
- Authors
Chen Li-na; Li Yu-ying; Deng Dao-gui; Jin Xian-wen; Ge Qian; Wang Shao-qin
- Abstract
A laboratory experiment was conducted to study the effects of different population density (D1: 100 ind·L-1, D2: 150 ind·L-1, D3: 300 ind·L-1) and culture volume (V1: 50 mL, V2: 100 mL, V3: 400 mL) on the growth and reproduction of Moina irrasa at 25 °C. At the same culture density, the body length of the M. irrasa females at their first pregnancy, the first brood, and the total offsprings per female decreased with the increase of culture volumes, while the sex ratio (male/female) of the offsprings was in adverse. At the same culture volumes, the total offsprings per female decreased with the increase of culture density. At D1V1, the body length of the females at their first pregnancy (0.95±0.10 mm) and the total offsprings (171.3±19.8 ind) per female were the maximum. At D3V2, the sex ratio was the maximum (0.54±0.05). Culture density, culture volume, and their interactions significantly affected the total offsprings per female and the sex ratio (P<0.001).
- Subjects
MOINA; ANIMAL population density; ANIMAL culture; ANIMAL offspring sex ratio; MARINE biodiversity; MARINE species diversity; REPRODUCTION
- Publication
Yingyong Shengtai Xuebao, 2012, Vol 23, Issue 7, p1959
- ISSN
1001-9332
- Publication type
Article