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All Journal Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Pendas : Jurnah Ilmiah Pendidikan Dasar
Endang Purnama Sari
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Earth & Planetary Sciences Other

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The Effect of Dietary Chromium-Yeast on the Growth Performance of Baung Fish (Hemibagrus nemurus Blkr) Endang Purnama Sari; Ing Mokoginta; Dedi Jusadi
Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Vol. 16 No. 1 (2009): Juni 2009
Publisher : Institut Pertanian Bogor

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Abstract

A triplicate experiment was conducted to determine the effect of dietary chromium on the growth performance of baung fish (Hemibagrus nemurus Blkr). This experiment used four diets contain different level of chromium yeast (0.0, 1.47, 3.20, and 4.59 mg/kg). Twenty fish with the initial body weight 7.0 ± 0.2 g were placed in each aquarium (50x40x35 cm). Fish were fed on the experimental diets three times daily, at satiation for 60 days. The results showed that chromium diets produced body protein level, ratio RNA/DNA and protein retention higher than that of non chromim diet. However, diet contained chromium yeast 3.20 mg/kg produced the highest protein deposition. Finally, it also produced the highest daily growth rate and feed efficiency. The liver and carcass glycogen level increased as the chromium level of diets was elevated, on the other side, body lipid level decreased as the chromium level of diets was elevated.Keywords: chromium, baung, growth.
PENINGKATAN KEMAMPUAN BERPIKIR KRITIS SISWA MELALUI PROGRAM KARYA TULIS ILMIAH DI SDIT AT-TAUBAH BATAM Endang Purnama Sari; Yumesri; Sudur; Suntama Putra; Farida
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 01 (2026): Volume 11 No. 01 Maret 2026 Public
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

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Abstract

This study aims to describe the implementation of the Scientific Writing (Karya Tulis Ilmiah/KTI) program at SDIT At-Taubah Batam and its contribution to enhancing critical thinking skills of upper-grade students. Using a qualitative case study approach with data triangulation from observation, interviews, and document analysis, the study found that KTI is implemented in stages: orientation, topic selection, problem formulation, data collection and analysis, report writing, and presentation. Each stage fosters interpretation, analysis, evaluation, inference, explanation, and self-regulation skills. The program improves both cognitive and affective aspects, including independent learning, curiosity, and scientific attitude, demonstrating KTI as an effective project-based learning strategy.
Co-Authors DEDI JUSADI Farida ING MOKOGINTA Sudur Suntama Putra Yumesri