Author(s): Fittrie Meyllianawaty Pratiwy and Rosidah

Abstract: Tilapia have high resistance to various diseases, tolerance to low and high temperatures, efficiency in feed and fast growth, recently growing in saline water with salinity up to 20 ppt. The addition of Sargassum extract into the feed is an alternative to maintain water quality and digestibility of feed in the fish body. Sargassum sp, has a fairly complete nutritional content, it can certainly have a growth effect when added to fish feed, according to previous research. The nutritional content of Sargassum sp. including crude protein content 5.19%, ash content 36.93%, fat 1.63%. Sargassum sp. has a protein content of 7.94%, fat 0.72%, ash content 35.84%, crude fiber 4.93%, and carbohydrates 50.57%. Based on the background, it is necessary to do research on the addition of the enzymatic extract of Sargassum sp. such as neutrase and viscozyme into feed on feed conversion and growth performance of tilapia (Oreochromis niloticus).Sargassum collected from Pantai Karapyak, Pangandaran, West Java, Indonesia. Material and methods that used in research ranging from preparation of Sargassum extract, preparation of experimental animal, and experimental design. The utilization of Sargassum extract were effective to increase Feed Consumption (FC), Feed Utilization Efficiency (FE), and Absolute Growth Performance (AG) with the result of significant difference (p< 0.05) in FE and AG results. The highest result in all parameters were occurred in treatment fed by 2 g/Kg enzymatic extract of Sargassum (viscozyme).

DOI: 10.22271/fish.2022.v10.i4a.2701

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