This system has been widely used to monitor the standard of water used. Currently fish cultivation is in great demand because of the promising revenue, particularly on ... DOAJ is a community-curated online directory that indexes and supplies entry to prime quality, open access, peer-reviewed journals.
Statistical analysis of sixteen examined features revealed a positive impact of the fish ponds on water quality. Concentrations of Ca2+, NO2-, NO3-, PO43- and water conductivity in the fish ponds decreased on common by between 30 and 99% as compared with the feeding watercourses. Date on the production and fish cath in accordance with species, on the floor of the fish ponds, on the technique of fish catching and on the distribution of the manufacturing and the catch in 1998 is offered.
In this fashion of administration, aquaculture productiveness and water quality are low, which is an obstacle for catfish farmers. This analysis was carried out by maintaining sangkuriang catfish seeds in spherical ponds with a diameter of two m2 with a density of 2000 tails per pond. The sangkuriang catfish seeds that have been kept have reached a size of four cm and are treated with 2 totally different remedies between fermented and non-fermented ponds. This analysis was carried out for 55 days from sixteen July to 10 September 2018, at the Fisheries Laboratory of the University of Muhammadiyah Malang, East Java. The analysis technique used is an experimental method with this analysis conducted utilizing descriptive methods with 2 completely different treatments between fermented and non-fermented ponds. Water high quality management is carried out each 3 days with measurements of water quality including temperature, pH, and DO.
Furthermore, so as to perceive how huge the probabilities and influence of the chance are, Z-score and VaR evaluation device is used. Results from the research exhibits that on the per period per hetchery, the risk likelihood from fungi is forty p.c, water high quality forty four %, feeds 5 percent, and harvesting technic four percent. The impact of the danger from fungi value is Rp 5 795, water quality Rp 4 937, feeds Rp and harvesting technic Rp 3 736. Sangkuriang catfish is the primary commodity that extensively cultivated in Tasikmalaya City. However, farmers have problem because of the illness which causes death in fish.
The highest fecundity of sangkuriang catfish eggs was sixty five,760 eggs, the best fecundity results were from the pattern which had a total fish size of 32 cm, a fish weight of 220 grams and a gonad weight of 19.7 grams. The lowest fecundity of 20,606 grains was obtained from samples that had a complete fish size of 27 cm, a fish weight of a hundred grams and a gonad weight of eight.71 grams. There is a relationship between fish weight and whole gonad weight with fecundity. Sangkuriang catfish has an egg diameter starting from 1 mm–1.9 mm. Decision help techniques is a computer-based info system together with a knowledge-based system or the management of knowledge that is used to help decision making in a corporation or individual. Sangkuriang catfish is one freshwater fish species are cultivated commercially by the individuals of Indonesia.
It is necessary for a merger of several disciplines to acquire optimum feed worth. In the field of informatics, experiences to search for one of the best optimum feed . This examine discusses the evaluation, analysis and improvement of a call assist system decide the most effective feed catfish enlargement jenis ikan lele sangkuriang cost-effective. The purpose of the analysis was to find out the effect of different larvae stocking density onthe growth of fish catfish cultivated in cage web. A utterly randomized design wasused in this examine with, three treatments and three replications.
Statistical analysis of sixteen examined features revealed a positive impact of the fish ponds on water quality. Concentrations of Ca2+, NO2-, NO3-, PO43- and water conductivity in the fish ponds decreased on common by between 30 and 99% as compared with the feeding watercourses. Date on the production and fish cath in accordance with species, on the floor of the fish ponds, on the technique of fish catching and on the distribution of the manufacturing and the catch in 1998 is offered.
In this fashion of administration, aquaculture productiveness and water quality are low, which is an obstacle for catfish farmers. This analysis was carried out by maintaining sangkuriang catfish seeds in spherical ponds with a diameter of two m2 with a density of 2000 tails per pond. The sangkuriang catfish seeds that have been kept have reached a size of four cm and are treated with 2 totally different remedies between fermented and non-fermented ponds. This analysis was carried out for 55 days from sixteen July to 10 September 2018, at the Fisheries Laboratory of the University of Muhammadiyah Malang, East Java. The analysis technique used is an experimental method with this analysis conducted utilizing descriptive methods with 2 completely different treatments between fermented and non-fermented ponds. Water high quality management is carried out each 3 days with measurements of water quality including temperature, pH, and DO.
Furthermore, so as to perceive how huge the probabilities and influence of the chance are, Z-score and VaR evaluation device is used. Results from the research exhibits that on the per period per hetchery, the risk likelihood from fungi is forty p.c, water high quality forty four %, feeds 5 percent, and harvesting technic four percent. The impact of the danger from fungi value is Rp 5 795, water quality Rp 4 937, feeds Rp and harvesting technic Rp 3 736. Sangkuriang catfish is the primary commodity that extensively cultivated in Tasikmalaya City. However, farmers have problem because of the illness which causes death in fish.
The highest fecundity of sangkuriang catfish eggs was sixty five,760 eggs, the best fecundity results were from the pattern which had a total fish size of 32 cm, a fish weight of 220 grams and a gonad weight of 19.7 grams. The lowest fecundity of 20,606 grains was obtained from samples that had a complete fish size of 27 cm, a fish weight of a hundred grams and a gonad weight of eight.71 grams. There is a relationship between fish weight and whole gonad weight with fecundity. Sangkuriang catfish has an egg diameter starting from 1 mm–1.9 mm. Decision help techniques is a computer-based info system together with a knowledge-based system or the management of knowledge that is used to help decision making in a corporation or individual. Sangkuriang catfish is one freshwater fish species are cultivated commercially by the individuals of Indonesia.It is necessary for a merger of several disciplines to acquire optimum feed worth. In the field of informatics, experiences to search for one of the best optimum feed . This examine discusses the evaluation, analysis and improvement of a call assist system decide the most effective feed catfish enlargement jenis ikan lele sangkuriang cost-effective. The purpose of the analysis was to find out the effect of different larvae stocking density onthe growth of fish catfish cultivated in cage web. A utterly randomized design wasused in this examine with, three treatments and three replications.