This study aims to determine the growth and production of milkfish seeds (Chanos-chanos) in several intensive concrete ponds in Gerokgak District, Buleleng. The study was conducted in October-December 2023 in 3 different locations located in the Gerokgak District, Buleleng. This research method uses a descriptive research method that is exploratory in nature, namely a study that aims to make systematic, factual, and accurate recording of facts that are population or certain areas. The results of the study showed that the Daily Weight Growth Rate (SGR%) of several intensive concrete ponds in Gerokgak District obtained an average result of 3.83% where at location 1 the daily weight growth rate was 4.14%, at location 2 it was 3.48%. And at location 3 the daily weight growth rate was 3.86%. Milkfish seed production in several intensive concrete ponds in Gerokgak District obtained an average result of 88.8% where at location 1 the milkfish seed production value was 98%. Furthermore, at location 2 it was 83%, and at location 3 the milkfish seed production value was 85%. All water quality parameters that have been tested show that the parameters of temperature, pH, nitrite, nitrate, phosphate and alkalinity are still within safe limits according to SNI 01.6148.1999, and can be said to be appropriate because with the values obtained, these parameters are still in conditions that are appropriate for the living conditions of milkfish
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