Pengaruh Limbah Detergen Industri Laundry terhadap Mortalitas dan Indeks Fisiologi Ikan Nila (Oreochromis niloticus)

Abstract:  Laundry  industry  increasingly  prevalent  in  Malang  as  many  students  who  want  instant  leaching  process. Waste generated in the form detergent wastes directly discharged into waters such as rivers and pollute the water  environment  and  disrupt  the  lives  of  aquatic  one  of  tilapia.  Components  of  detergent  can  cause  a decrease in dissolved oxygen (DO) in the water. The low DO disrupt the process of respiration and metabolism in fish. As a result, higher mortality and physiology index values as parameters impaired metabolism of the fish. Therefore, this study  purpose to: 1) determine the influence of industrial wastes laundry detergent on mortality and physiological indices of nile tilapia (Orechromis niloticus); and 2) the concentration of industrial wastewater  laundry  detergent  that  what  has  the  highest  mortality  rate.  This  research  method  is  RAL  3 repetitions and 6 treatments (0%, 1%, 2%, 3%, 4%, and 5%). The design of the study is only Posttest Control Design. The results showed the influence of industrial wastes laundry detergent on mortality and physiological indices of nile tilapia. The highest mortality of nile tilapia at a concentration of 5% as much as 6 tails. While the CF concentration of 0% at 1.92; 1% of 1.97; 2% of 1.95; 3% of 1.69; 4% by 1.51; and 5% of 1.23. LSI value of 0% concentration of 0.23; 1% of 0.33; 2% 0,58; 3% of 0.50; 4% 0,58; and 5% of 0.67. GSI value of 0% concentration of 0.93; 1% of 0.21; 2% of 0.28; 3% of 0.14; 4% of 0.21; and 5% by 0.26. Physiology index can be used as a biomarker of environmental biology to determine the level of pollution in waste waters.
Keywords:  laundry industry waste, mortality, physiological indices, nile tilapia
Penulis: Rifky Luvia Yuliani, Elly Purwanti, Yuni Pantiwati
Kode Jurnal: jpbiologidd150490

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