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All Journal Sainteks Majalah Sainstekes
Christiani Christiani
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Biochemistry, Genetics & Molecular Biology Computer Science & IT Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology

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Knowledge about Reproductive Health among Students in Junior High School 3 Keruak, East Lombok Intan Farida Yasmin; Dicky Adi Putra; Sayyid Abdil Hakam; Lia Fristka; Jimmi Lihartanadi; Matt Biondi; Christiani Christiani; Ayu Kartika Sari; Alain Laurent
Majalah Sainstekes Vol 7, No 2 (2020): DESEMBER 2020
Publisher : Lembaga Penelitian Universitas YARSI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (216.516 KB) | DOI: 10.33476/ms.v7i2.1697

Abstract

Aims: The study aimed to analyze the knowledge level on reproductive health among junior high school students in a rural district, Keruak, East Lombok. Methods: A cross-sectional, descriptive study was carried out among seventh and eighth-grade students (n=139) in Junior High School 3 Keruak, East Lombok, from March to April 2015. All participants answered a validated questionnaire consisting of 66 questions regarding reproductive health, STIs (sexually transmitted infections), and HIV-AIDS. Results: The students had low scores in all three topics. They obtained the highest score on a reproductive health topic and the lowest score on STIs topic. Students in the eighth grade had a better score in reproductive health and HIV-AIDS than those in the seventh grade. Male students had better knowledge of reproductive health and HIV-AIDS than female students (p
PEMANFAATAN GULMA AIR UNTUK MENINGKATKAN PRODUKSI MIKROALGA Spirulina platensis SEBAGAI PAKAN ALAMI IKAN GURAMI Christiani Christiani; Titi Chasanah; Diana Retna Utarini Sri Rahayu
Sainteks Vol 10, No 1 (2013): SAINTEKS
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/sainteks.v10i1.225

Abstract

Stadium larvae of gourami fish are very sensitive because it has been not adapted well to the environment and their digestive system is also not perfect yet. Larvae do not have the stomach and their enzymatic activity is not optimal, so need a natural food in sufficient quantities. Proper feed formulation in addition to cost saving fish farmers are also desperately needed this study aims to determine the effect of Spirulina microalgae as a natural food with different weight and time of feeding on the growth and sustainability of gourami fish and to determine the formulation of a good natural food for fish larvae. This research used an experimental method with Split Plot Design in 3 times replication for each treatment combination microalgae cell concentrations as mainplot tested: 0, 50, 100, 150% of body weight and as a sub-plot was time of feeding: 1, 2 and 3 times per day. The results showed a feed formulations of Spirulina microalgae with different weight and timing of an effect on the growth of larvae compared with the control (giving Tubifex) and a natural feeding weighing 100% of body weight with a feeding time of 1 or 2 times to generate growth and survival of carp larvae Keywords: Spirulina platensis, weight, time of feeding, the larvae
Co-Authors Alain Laurent Ayu Kartika Sari Diana Retna Utarini Sri Rahayu Dicky Adi Putra Intan Farida Yasmin Jimmi Lihartanadi Lia Fristka Matt Biondi Sayyid Abdil Hakam Titi Chasanah