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All Journal Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Asian Journal of Aquatic Sciences Journal of Rural and Urban Community Empowerment Jurnal Bioconcetta South East Asian Marine Sciences Journal South East Asian Management Concern Journal South East Asian Water Resources Managements Agriculture and Biological Technology Journal of Biology, Chemistry, Mathematics and Physics Education
Nur Ikhlas Syuhada
Department Of Biology, Faculty Of Mathematic And Natural Sciences, Universitas Riau; Center For Peatland And Disaster Studies, LPPM Universitas Riau
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Languange, Linguistic, Communication & Media

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DIETARY SUPPLEMENTATION WITH BILLYGOAT-WEED (Ageratum conyzoides L.) LEAF MEAL: EFFECTS ON THE GROWTH PERFORMANCE AND SURVIVAL OF SNAKEHEAD FISH (Channa striata) Nur Ikhlas Syuhada; Ronal Kurniawan; Rodhi Firmansyah; Windarti Windarti; Pebri Nanda Perdana; Okta Rizal Karsih
Asian Journal of Aquatic Sciences Vol. 9 No. 2 (2026): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.9.2.242-250

Abstract

Channa striata (snakehead fish) is a fishery commodity of high economic and medicinal value, yet a relatively slow growth rate constrains its culture. This study aimed to evaluate the effect of billygoat-weed (Ageratum conyzoides L.) leaf meal supplementation in feed on growth, feed efficiency, and survival of snakehead fish. The study used a one-factor Completely Randomized Design with four dose treatments (0, 5, 10, and 15 g/kg feed) and three replicates. Snakehead fingerlings measuring 6.00±1 cm were reared for 30 days and fed ad satiation. The results showed that the addition of billygoat-weed leaf meal affected absolute weight gain, specific growth rate, feed efficiency, and feed conversion ratio (p<0.05). The dose of 5 g/kg feed produced the best performance, with an absolute weight gain of 3.19±0.37 g, specific growth rate of 1.61±0.21%/day, feed efficiency of 161.85±14.99%, and FCR of 0.62±0.05, indicating that 5 g/kg feed is the optimal dose in snakehead fish feed and reflecting a hormetic response pattern at higher doses. The survival rate remained high across all treatments (93.33–98.33%), indicating the ingredient's safety up to the highest dose tested. In conclusion, billygoat-weed leaf meal has potential as a phytoadditive to enhance the growth performance of snakehead fish.
Pengaruh Literasi Media Digital dan Student Engagement terhadap Hasil Belajar Ekonomi Kelas X IPS di SMA N 8 Padang, Sumatra Barat Nadilla Raihan; Fharisa Nabila Rizvi; Ronal Kurniawan; Nur Ikhlas Syuhada; Okta Rizal Karsih
Jurnal Biochamp Vol 3 No 2 (2026): Agustus
Publisher : Science, Technology and Education Care (STEDCA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61761/biochamp.3.2.69-74

Abstract

Mata pelajaran ekonomi merupakan salah satu cabang ilmu pengetahuan sosial yang melibatkan aspek perhitungan dan hafalan. Pembelajaran ekonomi, khususnya di kelas X, umumnya menuntut pemahaman mendalam serta ketelitian dalam penggunaan rumus. Penelitian ini bertujuan untuk mengetahui pengaruh literasi media digital dan keterlibatan siswa terhadap hasil belajar ekonomi siswa kelas X IPS di SMA N 8 Kota Padang selama masa pandemi. Penelitian ini menggunakan metode kuantitatif dengan jenis penelitian deskriptif dan asosiatif. Populasi penelitian mencakup 174 siswa kelas X IPS di SMA N 8 Kota Padang. Sampel ditentukan menggunakan rumus Slovin dengan teknik pengambilan sampel secara acak, sehingga diperoleh jumlah sampel sebanyak 121 orang. Data dianalisis menggunakan program SPSS untuk pengujian hipotesis yang meliputi uji validitas dan reliabilitas, uji normalitas, uji multikolinearitas, uji heteroskedastisitas, uji regresi linear berganda, uji F, dan uji t. Hasil penelitian menunjukkan bahwa : literasi media digital tidak berpengaruh terhadap hasil belajar siswa, keterlibatan siswa berpengaruh terhadap hasil belajar siswa, dan literasi media digital serta keterlibatan siswa secara bersama-sama berpengaruh terhadap hasil belajar ekonomi siswa.
Co-Authors Ainul Mardiah Asmika Harnalin Simarmata Asri Mursawal Asri Mursawal Efawani, Efawani Feni Andriani Fharisa Nabila Rizvi Hayatun Nufus Henni Syawal Irwan Effendi Irwan Effendi Karsih, Okta Rizal Laila Ainur Rohmah M Irsyad Nur M. Ali Darmawan Nadila Yusmi Putri Nadilla Raihan Okta Rizal Karsih Okta Rizal Karsih Pebri Nanda Perdana Puteri, Nafisah Eka Rianti Putri Riswan, M Rizki Lestari Rodhi Firmansyah Ronal Kurniawan Sri Wahyuni Sri Wahyuni Suwondo &#039; Syafrizal Syafrizal Titrawani Titrawani Usman M Tang Windarti Windarti Windarti Windarti Yeni Etma Nazar Yuslim Fauziah Zulpadrianto Zulpadrianto