Effects of Salinity, Temperature, and Diet on the Biological Characteristics of <i>Brachionus plicatilis</i> Müller, 1786
2025
Quynh-Anh Tran-Nguyen | Truong Nhat Phan | Quang-Anh Tran | Hong Thi Mai | Thao Linh Phan Thi | Dang Doan Phan | Mau Trinh-Dang
This study investigates the effects of salinity, temperature, and diet on the biological characteristics of the rotifer <i>Brachionus plicatilis</i>, an essential live feed in aquaculture. The results indicate that environmental factors have a significant influence on reproductive traits and survival. At a salinity of 5 ppt, <i>B. plicatilis</i> achieved the highest fecundity (25.50 ± 0.58 inds.), while the longest lifespan (273.00 ± 72.52 h) was observed at 35 ppt. The temperature had a strong influence on developmental rates, with the shortest juvenile period recorded at 35 °C (8.00 ± 0.00 h) and the longest lifespan at 20 °C (270.62 ± 30.38 h). The diet also played a critical role, with <i>Chlorella vulgaris</i> supporting maximum fecundity, whereas mixed diets prolonged lifespan to 290.50 ± 62.83 (h). These findings provide valuable insights into optimizing rotifer culture systems to improve aquaculture productivity and sustainability.
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