Bacterial infection is a major cause of high mortality in juvenile sea turtles at the Sea Turtle Conservation Centre, Chonburi Province, Thailand. The attempt is to identify sources of bacterial accumulation and contamination in order to reduce the number of infections. The aim of this study was to determine the effects of live rocks and captivity parameters on microbiological water quality. Microbiological results indicated that the presence of live rocks in juvenile green turtle containers resulted in a reduction of haemolytic bacteria in seawater. Additionally, the high stock density of animals in the captivity has influence on the increased bacterial levels in the water, while temperature of the water was found to have an influence on bacterial growth. The results of this study implied that the environments of captivity have great impact on the bacterial levels in the water, which should be considered for the management of sea turtles as well as other aquatic animals.
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