Evaluation of rubber seed oil as lipid source in red tilapia (Oreochromis sp.) diet
2020
Kushayadi, Andika Gumilang | Suprayudi, Muhammad Agus | Jusadi, Dedi | Fauzi, Ichsan Achmad
Rubber seed oil has a high potency to be used as a new lipid source within red tilapia diet. However, the rubber seed oil contains antinutritional factor such as hydrogen cyanide (HCN). HCN is classified into heat‐labile; therefore, heating effectively reduces the HCN content. Based on this fact, this research evaluated the use of rubber seed oil with and without heating as lipid source in red tilapia diet. Four isonitrogenous and isocaloric diets were prepared as experimental diet. Each test diet contains different lipid sources such as crude palm oil + corn oil (CTRL), crude palm oil + rubber seed oil with heating (CPO:PRSO), 100% rubber seed oil with heating (PRSO) and 100% RSO without heating (URSO). In average, there were no significant differences (Tukey: p < .05) among test diet except diet with 100% rubber seed oil without heating. It concluded that 100% rubber seed with heating within test diet has no effect on growth, feed performance, blood profile, cholesterol plasma, body and liver glycogen, malondialdehyde (MDA) and the activity of superoxide dismutase (SOD).
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