Abstract:
This research was conducted on 3rd until 10th January 2013. This study aims to determine how much of the investment and operational costs , feasibility and problems faced by fish farmers in the cultivation of tilapia (Oreochromis niloticus) in floating net cages in Silalahi III village. The method used in this research is a stratified random sampling method with respondents are 8 farmers were divided into 3 categories.
The results of this research indicate that business investment tilapia farming in floating cages for cultivation category I is Rp.82.743.750,-/unit cultivation with operational costs Rp.66.846.917,-/period, for category II the investments be required Rp.167 928 125,-/unit cultivation with operational costs Rp.130.933.792,-/period and investments for the cultivation of category III is Rp.397.521.250,-/unit cultivation with operational cost Rp.317.654.250,-/period. The value BCR of tilapia fish farmers in the village Silalahi III is between 1.1968 until 1.234, value of FRR is 31.79% until 37.41% and the value of PPC 5.35 period until 6.29 to period. Based on the analysis of the research, we conclude that the business is financially profitable and feasible to be developed. The cultivation are most feasible to be developed based on the results of the analysis of feasible is a cultivation that occupied by farmers category III with BCR value is 1,2340, FRR 37.41%/year and PPC is 2 years and 8 months. The problems faced by farmers in the cultivation is a mortality of seeds cause the seed can not adapt to the environment and the farmers have not been able to deal with a disease that occurs in fish
