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All Journal JURNAL PERIKANAN DAN KELAUTAN TROPIS
Erly Y Kaligis
Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Manado, Sulawesi Utara
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management

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LAJU PERTUMBUHAN, EFISIENSI PEMANFAATAN PAKAN, KANDUNGAN POTASIUM TUBUH, DAN GRADIEN OSMOTIK POSTLARVA VANAME (Litopenaeus Vannamei, Boone) PADA POTASIUM MEDIA BERBEDA Kaligis, Erly Y
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 2 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jpkt.6.2.2010.168

Abstract

Effect of K+ concentration on growth rate, feed efficiency, potassium whole body, and osmoregulatory capacity of L. vannamei postlarvae Boone, 1931 were investigated. Treatments consisted of different concentration of K+ added to distilled water. Four treatments were set, namely A, B, C and D, where K2CO3 levels were 0, 30, 60 and 90 ppm, respectively. After the 42-days feeding trial, growth rate and potassium whole body of the shrimp under treatment D (90 ppm K2CO3) were significantly higher, while the value of osmoregulatory capacity in treatment A (0 ppm K2CO3) significantly higher than those under the other four treatments. The results indicated treatment C (60 ppm K2CO3) were the optimum K+ level for growth rate with increasing body size.
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