Universitas Padjadjaran

Enhancing Feed Nutrient Through Lactobacillus Plantarum, Rhizopus Oligosporus And Neurospora Sitophilia Bioprocess And Its Effect On Freshwater Fishes

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ENHANCING FEED NUTRIENT THROUGH Lactobacillus plantarum, Rhizopus oligosporus AND Neurospora sitophilia BIOPROCESS AND ITS EFFECT ON FRESHWATER FISHES

Rita Rostika Wahyudi, M. Andri Wiratman, Herdi Mandani Subana and Setia Nugraha
Fisheries Deparment, Agriculture Faculty Padjadjaran University West Jawa ritarostika@plasa.com

One of methods to enhance feed quality is involving microorganism through fermentation. Fermentation is biochemical process on organic substrate through enzymatic reaction. The enzymes excreted by microbes.
Fermentation can change characteristic caused by nutrient destruction. One advantage of that process is complex organic matter such as protein, carbohydrate and lipid change become more simple molecule and easy to digest. Other than that, fermentation produces volatole matter which can improve texture and shelf life.
Three experiments about fermetation time using Rhizopus oligosporus, Lactobacillus plantarum and Neurospora sitophilia of feed stuff have been conducted. The feed stuff was given to red nile tilopia (Oreochromis niloticus) fry and red bally pacu (Collosoma macrophemum). The growth of the two was observed.
The results of the experiment showed that treatment with 30 % R. oligosporus, can increase body weight and feed efof red tilapia fry. Bioprocess with C. plantarum for 3 days gave highest growth rate of 3,675 % of red tilapia, and its feed conversion was 2,531. Feed introduced by N. sitophilia for 3 days gave growth rate of 0,98 % red bally pacu