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      Toksisitas Paparan Total Ammonia Nitrogen (TAN) terhadap Produktivitas dan Respons Fisiologis Udang Vaname Litopenaeus vannamei Day of Culture 30

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      Date
      2021
      Author
      Haqqi, Muhammad Fatahul
      Hastuti, Yuni Puji
      Nirmala, Kukuh
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      Abstract
      Total Ammonia Nitrogen (TAN) berasal dari sisa metabolisme organisme (feses), bahan organik, sisa pakan, dan bangkai organisme maupun mikroorganisme dalam perairan. TAN merupakan suatu senyawa anorganik yang terdiri dari amonia terionisasi (NH4+) dan amonia tidak terionisasi (NH3). Senyawa amonia yang toksik bagi organisme perairan yaitu NH3. Tujuan dari penelitian yaitu untuk menentukan konsentrasi akut amonia yang diekspresikan oleh nilai LC50 dan menganalisis pengaruh toksisitas amonia terhadap produktivitas serta respons fisiologis udang vaname pada salinitas 15 g L-1. Penelitian dilakukan dengan menggunakan tiga uji diantaranya uji pendahuluan, uji letal dan uji subletal. Kadar TAN sebesar 103,05 mengandung NH3 sebesar 4,37 mg L-1 dalam perairan bersalinitas 15 g L-1 dapat membunuh 50% dari populasi udang vaname dalam jangka waktu 96 jam serta adanya amonia sebesar 10 sampai 52 mg L-1 dapat menurunkan tingkat produktivitas (SR, Pertumbuhan Bobot Mutlak dan Pertumbuhan Panjang Mutlak) dan meningkatkan respons fisiologis (THC, Glukosa dan Kolesterol) dari udang vaname DOC 30
       
      Total Ammonia Nitrogen (TAN) is formed by the metabolic waste of organism (feces), organic matter, feed waste, and cardaver of organism or microorganism in the media of aquaculture. TAN is an inorganic compounds consists of ionized ammonia (NH4+) and unionized ammonia (NH3). TAN compounds that are toxic to aquatic organisms are NH3. The aim of this research was to specify the acute concentration of ammonia expressed by the value of LC50 and observe the impact of TAN toxicity in productivity and physiological responses of vannamei shrimp Litopenaeus vannamei in salinity 15 g L-1. This research was done with compeletely randomized design with 3 test which were preliminary, lethal, and sub lethal test. TAN levels of 103,05 containing NH3 of 4,37 mg L-1 in water with a salinity of 15 g L-1 killed 50% of the vaname shrimp population within 96 hours and the presence of ammonia of 10 to 52 mg L-1 reduced the productivity levels (SR, Growth of Absolute Weight and Growth of Absolute Length) and increased the physiological responses (THC, glucose and cholesterol) of DOC 30 vaname shrimp
       
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      http://repository.ipb.ac.id/handle/123456789/107796
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      • UT - Aquaculture [2189]

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      Indonesia DSpace Group 
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