This system has been extensively used to watch the standard of water used. Currently fish cultivation is in great demand due to the promising revenue, particularly on ... DOAJ is a community-curated online directory that indexes and provides entry to high quality, open entry, ikan lele berasal dari peer-reviewed journals.
Statistical evaluation 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 according to species, on the floor of the fish ponds, on the means of fish catching and on the distribution of the production and the catch in 1998 is presented.
In this fashion of management, aquaculture productiveness and water quality are low, which is an impediment for catfish farmers. This analysis was carried out by maintaining sangkuriang catfish seeds in round ponds with a diameter of two m2 with a density of 2000 tails per pond. The sangkuriang catfish seeds which were kept have reached a size of 4 cm and are treated with 2 different remedies between fermented and non-fermented ponds. This analysis was carried out for fifty five days from 16 July to 10 September 2018, at the Fisheries Laboratory of the University of Muhammadiyah Malang, East Java. The analysis methodology used is an experimental technique with this analysis performed using descriptive methods with 2 completely different remedies between fermented and non-fermented ponds. Water quality management is carried out each 3 days with measurements of water high quality including temperature, pH, and DO.
Furthermore, so as to understand how massive the chances and influence of the danger are, Z-score and VaR analysis software is used. Results from the research reveals that on the per interval per hetchery, the risk probability from fungi is 40 percent, water quality 44 percent, feeds 5 p.c, and harvesting technic 4 percent. The influence of the danger from fungi cost is Rp 5 795, water high quality Rp four 937, feeds Rp and harvesting technic Rp three 736. Sangkuriang catfish is the principle commodity that broadly cultivated in Tasikmalaya City. However, farmers have issue due to the disease which causes death in fish.
The highest fecundity of sangkuriang catfish eggs was sixty five,760 eggs, the best fecundity outcomes have been 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 length 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 ranging from 1 mm–1.9 mm. Decision support techniques is a computer-based data system including a knowledge-based system or the management of information that's used to support determination making in an organization or particular person. Sangkuriang catfish is one freshwater fish species are cultivated commercially by the individuals of Indonesia.
It is important for a merger of a quantity of disciplines to obtain optimum feed worth. In the sector of informatics, experiences to look for the best optimal feed . This study discusses the evaluation, evaluation and growth of a call assist system decide one of the best feed catfish enlargement sangkuriang cost-effective. The purpose of the research was to determine the effect of various larvae stocking density onthe development of fish catfish cultivated in cage net. A completely randomized design wasused on this research with, 3 remedies and 3 replications.
Statistical evaluation 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 according to species, on the floor of the fish ponds, on the means of fish catching and on the distribution of the production and the catch in 1998 is presented.
In this fashion of management, aquaculture productiveness and water quality are low, which is an impediment for catfish farmers. This analysis was carried out by maintaining sangkuriang catfish seeds in round ponds with a diameter of two m2 with a density of 2000 tails per pond. The sangkuriang catfish seeds which were kept have reached a size of 4 cm and are treated with 2 different remedies between fermented and non-fermented ponds. This analysis was carried out for fifty five days from 16 July to 10 September 2018, at the Fisheries Laboratory of the University of Muhammadiyah Malang, East Java. The analysis methodology used is an experimental technique with this analysis performed using descriptive methods with 2 completely different remedies between fermented and non-fermented ponds. Water quality management is carried out each 3 days with measurements of water high quality including temperature, pH, and DO.
Furthermore, so as to understand how massive the chances and influence of the danger are, Z-score and VaR analysis software is used. Results from the research reveals that on the per interval per hetchery, the risk probability from fungi is 40 percent, water quality 44 percent, feeds 5 p.c, and harvesting technic 4 percent. The influence of the danger from fungi cost is Rp 5 795, water high quality Rp four 937, feeds Rp and harvesting technic Rp three 736. Sangkuriang catfish is the principle commodity that broadly cultivated in Tasikmalaya City. However, farmers have issue due to the disease which causes death in fish.
The highest fecundity of sangkuriang catfish eggs was sixty five,760 eggs, the best fecundity outcomes have been 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 length 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 ranging from 1 mm–1.9 mm. Decision support techniques is a computer-based data system including a knowledge-based system or the management of information that's used to support determination making in an organization or particular person. Sangkuriang catfish is one freshwater fish species are cultivated commercially by the individuals of Indonesia.
It is important for a merger of a quantity of disciplines to obtain optimum feed worth. In the sector of informatics, experiences to look for the best optimal feed . This study discusses the evaluation, evaluation and growth of a call assist system decide one of the best feed catfish enlargement sangkuriang cost-effective. The purpose of the research was to determine the effect of various larvae stocking density onthe development of fish catfish cultivated in cage net. A completely randomized design wasused on this research with, 3 remedies and 3 replications.