Bacterial community in gut, shell sediment, and surrounding water of Hyriopsis cumingii fed three different microalgal diets
2021
Abstract A challenge in the intelligent breeding of pearl mussels (Hyriopsis cumingii) is the lack of a high-quality microalgal diet. To select the optimal microalgae diet, we examined the effect of feeding of different microalgal diets on the bacterial community composition in the gut, shell surface sediment, and surrounding water of pearl mussels. The bacterial communities of these three samples were analyzed using Illumina high-throughput sequencing. The effect of feeding of three types of microalgae (Scenedesmus abundans, Chlorella pyrenoidosa, and Scenedesmus dimorphus) to triangle sail mussels was investigated in a small intelligent aquaculture system. The different microalgal diets affected the growth of H. cumingii, and optimal growth was observed in the S. dimorphus group (P
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