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The Effect of Immersion Extract Viscera of Sea Cucumber (Holothuria sp) on Growth, Consumption Level and Feed Efficiency in Tilapia Larvae (Oreochromis niloticus) 1Fisheries Department, Faculty of Marine Science and Fisheries, Hasanuddin University, Jl. Perintis Kemerdekaan Km 10, Tamalanrea, Makassar, South Sulawesi Indonesia. Abstract The use of synthetic steroid hormones to produce quality male tilapia has a negative impact on both the environment and society, so alternative natural ingredients are needed such as sea cucumber innards. The purpose of this study was to determine the effect of sea cucumber innards extract on growth, consumption and feed efficiency of tilapia larvae. This research was carried out in September - November 2022. There were 360 larvaes of tilapia used in this study. Tilapia rearing was carried out in in each container containing 30 larvae with a larval weight of 0.013 gr and a larval length of 7 mm. The tilapia used were 5 to 7 days old, then larval rearing was carried out for 60 days. The experimental method used in this study was a Completely Randomized Design (CRD) with five treatments and three replications. The treatment used was the immersion of sea cucumber viscera with 5 treatments consisting of 0 ml, 1 ml for 24 hours, 3 ml for 24 hours, 5 ml for 24 hours, and 0,5 mg/l 17α--MT for 12 hours as positive control and 3 replicates. Parameters observed were growth performance, feed consumption, feed efficiency level and water quality. The results showed that soaking sea cucumber viscera at various doses for 24 hours in tilapia larvae has the potential to increase feed consumption which will ultimately affect growth. Doses of 1 ml and 3 ml are doses that change the absolute length growth results and feed consumption rates. Keywords: Sea cucumber viscera, Growth performance, Feed consumption, Feed efficiency level, larvae of tilapia Topic: Sustainable Aquaculture and Fisheries |
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