TOKSISITAS LIMBAH CAIR LATEKS TERHADAP KELANGSUNGAN HIDUP, PERTUMBUHAN DAN TINGKAT KONSUMSI OKSIGEN IKAN PATIN (Pangasius sp.)

BOSMAN, OFAN and Taqwa, Ferdinand Hukama and Marsi, Marsi (2013) TOKSISITAS LIMBAH CAIR LATEKS TERHADAP KELANGSUNGAN HIDUP, PERTUMBUHAN DAN TINGKAT KONSUMSI OKSIGEN IKAN PATIN (Pangasius sp.). Undergraduate thesis, Sriwijaya University.

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Abstract

The purposes of this research were to determine the value of LC50 96 hours and sub lethal toxicity test of latex liquid waste against survival, growth and oxygen consumption rate of catfish. This research was held from April until June 2013 in Laboratory of Basic Fisheries, Faculty of Agriculture, Sriwijaya University, Indralaya. This research consist of two phases, namely lethal toxicity test and sub lethal toxicity test. The materials used for this research were latex liquid waste and catfish was a length of 11 cm ± 0.1 cm with a weight of 10 g ± 1 g as bioassay. Lethal toxicity test and sub lethal toxicity test used a completely randomized design (CRD) with seven treatment levels and three replications. Treatment levels of lethal toxicity test were 0 mL.L'1 (A), 16.8 mL.L'1 (B), 18.8 mL.L'1 (C), 21.0 mL.L'1 (D), 23.5 mL.L'1 (E), 26.3 mL.L'1 (F) and 29.4 mL.L'1 (G). Treatment levels of sub lethal toxicity tests were 0% x LC50 96 hours (A), 0.5% x LC50 96 hours (B), 1% x LC50 96 hours (C), 6.25% x LC50 96 hours (D), 12.5% x LC50 96 hours (E), 25% x LC50 96 hours (F) and 50% x LC50 96 hours (G). The result of this research showed that the LC50 96 hours concentration of latex liquid waste for catfish is 24.5 mL.L'1. Average range value of physical and Chemical water properties during lethal toxicity tests were 28°C for temperature, pH between 6.6 to 6.9, dissolved oxygen between 1.98 to 2.96 mg.L 1 and ammonia between 0.056 to 0.402 mg.L'1. The results of sub lethal toxicity test indicated that latex liquid waste significantly affect the survival of catfish in the concentration of 25% x LC50 96 jam (F), while did not significantly affect on growth until concentration of 50% x LC50 96 jam (G). Exposure time periode affects oxygen consumption rate was concentration from 0,5% x LC50 96 jam (B) until 50% x LC50 96 jam (G) where the longer of exposure time would decrease the oxygen consumption of catfish. Average range value of physical and Chemical water properties during sub lethal toxicity tests were 27.6 to 28°C for temperature, pH between 6.8 to 7.1, dissolved oxygen between 1.43 to 1.89 mg.L"1 and ammonia between 0.194 to 0.549 mg.L'1. It showed the concentration of latex liquid waste tested still could be tolerated by catfish. Concentration of latex liquid waste againts average range value of physical and Chemical water on medium was temperature and pH still including optimum, while dissolved oxygen had a negative correlation and ammonia had a positive correlation because the decomposition process of organic matter in the latex liquid waste.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Lateks, Ikan Patin
Subjects:	S Agriculture > SH Aquaculture. Fisheries. Angling > SH334.9-336.5 Fishery processing
Divisions:	05-Faculty of Agriculture > 54243-Aquaculture (S1)
Depositing User:	Ichlasyah Aisyah
Date Deposited:	20 Sep 2024 02:23
Last Modified:	20 Sep 2024 02:23
URI:	http://repository.unsri.ac.id/id/eprint/157459

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