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All Journal EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA Jurnal Pembelajaran dan Biologi Nukleus Reswara: Jurnal Pengabdian Kepada Masyarakat Jurnal Aquaculture Indonesia Jurnal Pengabdian Masyarakat Bhinneka Jurnal Pendidikan MIPA
Afriani, Dwi Tika
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Veterinary

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Evaluation and Improvement of The Effectiveness of Floating Pellets with Substitution of Chicken Feather Meal as Optimal Food for The Growth And Survival of Tilapia (Oreochromis niloticus) Pratama, Dimas; Afriani, Dwi Tika; Syafitri, Emmy
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.5655

Abstract

This study aims to determine the effectiveness of fishmeal substitution using chicken feather meal in pellets on growth, water quality, and survival of tilapia (Oreocromis niloticus), to determine the effectiveness of fishmeal substitution using chicken feather meal in pellets on FCR value, how the physical test value of floating pellets substituted with chicken feather meal, and what factors need to be updated in an effort to improve the quality of floating pellet feed substituted with chicken feather meal. The results of absolute growth research on fermented chicken feather meal pellets were 5.07 grams/head, non-fermented chicken feather meal pellets were 5.11 grams/head, and conventional pellets were 5.03 grams/head. While the results of absolute length growth on fermented chicken feather meal pellets were 3.21 cm/head, and absolute length growth for non-fermented chicken feather meal pellets was 3.24 cm/head, while for conventional pellets was 3.28 cm/head. The survival rate ranged from 62% - 68% during rearing with an FCR value of 0.6. Although the survival rate obtained was not good, the water quality during the study including pH, DO, and temperature showed good results in accordance with the quality standards. While the results of organoleptic observations of feed showed that the non-fermented artificial feed observed by the testers had a more pungent aroma than the fermented artificial feed, and conventional pellets tended to have a strong odor aroma. As for the texture assessment of the three types of feed, the dominant judge that all three have a hard texture
Analysis Of Microbial Culture Learning: Understanding The Relationship Between Technical Competence And Students' Perspectives At Dharmawangsa University, Medan Afriani, Dwi Tika; Rofieq, Ainur; Huda, Atok Miftachul; Eriyanti, Ribut Wahyu; Hasruddin, Hasruddin
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2024
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i1.5370

Abstract

This study examines the relationship between test scores and students' perceptions of learning microbial cultures. The objectives of the research were to determine how students' technical skills correspond with their subjective perceptions of difficulty in various aspects of learning, and to identify the most difficult aspects of learning microbial cultures. Data were collected through tests and questionnaires administered to microbiology practicum students. Analysis revealed a significant correlation between test scores and student perceptions in most aspects of learning, but with variation between aspects. Aspects of basic microbial culture concepts showed a positive correlation, suggesting that students with a strong understanding of the concepts perceived less difficulty. In contrast, bacterial inoculation techniques showed a negative correlation, indicating a mismatch between technical ability and perceived difficulty. The analysis provides a comprehensive view of the factors influencing the learning of microbial culture. The results show that students perceive bacterial inoculation techniques as the most challenging aspect, despite moderately skilled students demonstrating adequate technical ability. Potential sources of technical complexity in the inoculation process, such as steps requiring precision and access to hands-on equipment, contribute to students' perceived difficulty. Although the relationship between test scores and student perceptions of microbial culture learning has been explored in this study, additional research is needed to delve deeper into the complex factors that contribute to this relationship
Effectiveness of Fish Meal Substitution Using Maggot Meal in Floating Pellets on The Growth and Life Survival of Tilapia Fish (Oreochromis niloticus) Sirait, Florentina Pauli; Afriani, Dwi Tika; Manullang, Helentina Mariance
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.5836

Abstract

This research was conducted in February-March 2023, at the Dharmawangsa University Laboratory. The purpose of this study was to determine the effectiveness of fish meal substitution using maggot flour in floating pellets on growth, life expectancy of tilapia and FCR (Food Conversion Ratio). Tilapia is widely cultivated by the community so that it has economic value with high market demand. The high price of feed causes many farmers to suffer losses. To overcome the problem of losses, cultivators use maggot as a substitute for fish meal to be used as a local raw material which has the advantage of being relatively cheap, high protein and increasing the digestibility of fish. The research method used experimental methods with the treatment of artificial feeding with fish meal protein sources and maggot flour protein sources and analyzed using the T test. The results of absolute growth research on fish meal pellets were 3.5 and maggot flour pellets 3.6. This shows that maggot flour can be used as a local raw material in the manufacture of fish feed. The results of the survival rate of tilapia by giving fish meal pellets were 60% and giving maggot flour pellets was 55%. Fish meal pellets and giving maggot flour pellets show that they can support the basic needs of fish and can support fish life. The results of the study showed that the FCR value for fish meal pellets was 1.36 and for maggot flour pellets was 1.36.
Pengaruh Rasio Pemijahan yang Berbeda Terhadap Jumlah Natalitas Larva Ikan Molly Balon (Poecilia latipinna sailfin molly) Hadi, Gilang Wisnu; Afriani, Dwi Tika; Siswoyo, Bambang Hendra
Jurnal Aquaculture Indonesia Vol 4, No 1 (2024)
Publisher : Prodi Akuakultur Fakultas Perikanan Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/jai.v4i1.5402

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh perbedaan rasio jantan : betina terhadap natalitas larva ikan molly balon yang di hasilkan untuk memperoleh rasio yang terbaik bagi natalitas larva pasca pemijahan. Penelitian ini dilaksanakan pada 20 Maret 2024 di Laboratorium Fakultas Perikanan Universitas Dharnawangsa. Metode yang digunakan adalah metode eksperimen dengan menggunakan Rancangan Acak Lengkap yang terdiri dari 3 Perlakuan dan 3 Ulangan. Hasil analisis sidik ragam pengaruh rasio pemijahan terhadap natalitas larva ikan molly balon menunjukkan bahwa F Hitung > F Tabel yaitu 6,396 > 2,78% pada taraf uji 5% dan 6,396 > 4,22% pada taraf uji 1% yang menunjukkan bahwa perbedaan rasio pemijahan terhadap natalitas larva ikan molly balon berpengaruh nyata (significant). Berdasarkan hasil uji LSD terhadap natalitas larva bahwa perlakuan A dan perlakuan B berbeda nyata (significant), Perlakuan B dan Perlakuan C berbeda nyata (significant),dan perlakuan C dan Perlakuan A tidak ada perbedaan secara nyata (Non significant). Hasil penelitian menunjukkan Dari hasil perhitungan yang di lakukan selamaa penelitian di peroleh hasil sebagai berikut.Perlakuan B (1 : 2) menunjukkan hasil terbaik atau tertinggi dengan nilai rata – rata  94% diikuti dengan Perlakuan C (1 : 3) dengan nilai rata – rata 85,66% dan yang terendah ada pada Perlakuan A (1 : 1) dengan nilai rata – rata 83%.
DEDAK FERMENTASI SEBAGAI PUPUK ALAMI DALAM UPAYA MENINGKATKAN KESUBURAN MEDIA BUDIAYA IKAN LELE SANGKURIANG (Clarias sp) Afriani, Dwi Tika; Syafitri, Emmy; Siswoyo, Bambang Hendra
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 6, No 2 (2021): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v6i2.171-177

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh dedak fermentasi dalam meningkatkan kesuburan media budidaya ikan lele sangkuriang (Clarias sp). Dedak yang digunakan dalam penelitian ini adalah dedak murni yang difermentasi menggunakan Saccharomyces cereviciae dengan konsentrasi penggunaan; P1 (55 mg/L), P2 (60 mg/L), P3 (65 mg/L), P4 (70 mg/L). Berdasarkan hasil peneltian diketahui bahwa kelimpahan plankton terbesar diperoleh dari perlakuan P4 (5193 sel/ml) dan dikategorikan dalam kelimpahan sedang. Berdasarkan uji kualitas air menunjukkan bahwa setiap perlakuan yang diberikan tidak menyebabkan penurunan kualitas yang signifikan pada faktor suhu, pH, DO, nitrat, orthofospor dan amonia. Pertumbuhan Panjang mutlak tertinggi diperoleh dari perlakuan P2 dan P3 (1,52 cm) namun tidak berbeda nyata dengan perlakuan P1 (1,48 cm) dan P4 (1,50 cm). Berat mutlak tertinggi diperoleh dari perlakuan P2 (1,86 gram) dan tidak berbeda nyata dengan perlakuan P3 (1,84 gram) dan P4 (1,68 gram). Maka dari hasil tersebut dapat disimpulkan bahwa konsentrasi terbaik penggunaan dedak fermentasi sebagai upaya dalam meningkatkan kesuburan media budidaya ikan lele sangkuriang adalah 60 mg/L.
PENINGKATAN POTENSI KELOMPOK BIMA KENCANA DENGAN BUDIDAYA MAGGOT DAN PEMASARAN ONLINE Afriani, Dwi Tika; Syafitri, Emmy; Alfirah, Alfirah; Prayoga, Jonatan
Reswara: Jurnal Pengabdian Kepada Masyarakat Vol 4, No 1 (2023)
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/rjpkm.v4i1.2397

Abstract

Bima Kencana merupakan kelompok usaha masyarakat Desa Lubuk Saban. Berdasarkan hasil observasi diketahui permasalahan yang dihadapi mitra, yaitu: (1) hasil produksi mitra masih rendah, disebabkan jenis ikan yang terbatas, kesulitan menyediakan pakan alternatif yang berkualitas dengan harga terjangkau, (2) sarana dan prasarana yang belum memadai. (3) Mitra belum memiliki akun online shop dan manajemen penjualan belum baik.  Solusi yang diberikan adalah: (1) Penguatan Motivasi, Pengetahuan, dan Keterampilan: (2) Pengadaan Sarana dan Prasaranan Penunjang Produksi: (3) Jasa Pendampingan dan Pembuatan akun penjualan online. Metode yang dilakukan dalam kegiatan ini, yaitu: (1) Metode pendekatan partisipatif; (2) Metode Pendekatan Konseptual; (3) Pendekatan Teori dan Praktik; (4) Metode Pendekatan Reflektif. Hasil dari kegiatan ini adalah peningkatan pengetahuan dan keterampilan mitra. Peningkatan sarana budidaya meliputi: tersedianya bibit patin, dan kit budidaya maggot. Mitra memiliki akun Instagram untuk penjualan secara online. Dengan membudidayakan maggot, mitra dapat menekan biaya pakan sehingga laba usaha meningkat. Pemasaran online dapat membantu meningkatkan penjualan dan pendapatan mitra.
Penguatan Kapasitas UMKM Desa Telagah melalui Transformasi Digital Menuju Masyarakat Mandiri dan Berdaya Saing Siswoyo, Bambang Hendra; Maysarah, Andi; Nasution, Sarah; Junaidi, Listya Devi; Wahyuni, Dewi; Afriani, Dwi Tika; Asrindah, Asrindah; Siregar, Lukman Hakim; Antoro, Budi
Jurnal Pengabdian Masyarakat Bhinneka Vol. 3 No. 4 (2025): Bulan Juli
Publisher : Bhinneka Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58266/jpmb.v3i4.264

Abstract

Penguatan kapasitas Usaha Mikro, Kecil, dan Menengah (UMKM) menjadi salah satu langkah strategis dalam mendorong kemandirian dan daya saing masyarakat, terutama di wilayah pedesaan seperti Desa Telagah. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk mengimplementasikan transformasi digital sebagai katalisator dalam meningkatkan efektivitas, efisiensi, dan keberlanjutan UMKM lokal. Melalui pendekatan pelatihan teknologi digital, pendampingan pemanfaatan platform online, serta penyusunan sistem informasi sederhana, program ini berupaya mengakselerasi adaptasi digital pelaku UMKM dalam pemasaran, manajemen keuangan, dan akses pasar. Hasil dari kegiatan ini diharapkan mampu menciptakan ekosistem ekonomi desa yang tangguh, inklusif, dan berdaya saing tinggi di era digital, serta mendorong tumbuhnya masyarakat yang mandiri secara sosial dan ekonomi. Program ini juga memberikan kontribusi nyata dalam pembangunan berkelanjutan melalui kolaborasi antara akademisi, pelaku UMKM, dan pemerintahan desa.
Respon Pertumbuhan Dan Nutrisi Ikan Lele Dumbo Terhadap Variasi Suhu Sebagai Strategi Adaptasi Iklim Afriani, Dwi Tika; Siswoyo, Bambang Hendra; Ikhsan, Sahidul
Jurnal Aquaculture Indonesia Vol 4, No 2 (2025)
Publisher : Prodi Akuakultur Fakultas Perikanan Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/jai.v4i2.6879

Abstract

Perubahan iklim global menyebabkan peningkatan suhu air yang berdampak signifikan terhadap produktivitas akuakultur. Penelitian ini mengkaji respons nutrisi ikan lele dumbo (Clarias gariepinus) terhadap simulasi suhu air akibat perubahan iklim. Penelitian menggunakan Rancangan Acak Lengkap dengan tiga perlakuan suhu: 27°C (kontrol), 31°C, dan 35°C (simulasi ekstrem) selama 3 bulan. Juvenil lele dumbo (15±2 g) dipelihara dengan kepadatan 8 ekor per akuarium. Parameter yang diamati meliputi konsumsi pakan, pertumbuhan, efisiensi pakan (FCR, PER), dan retensi protein dan energi. Hasil menunjukkan suhu berpengaruh signifikan (P<0,05) terhadap semua parameter nutrisi. Suhu 31°C menghasilkan performa terbaik dengan SGR 2,89±0,15%/hari dan FCR 1,42±0,08. Suhu ekstrem (35°C) menyebabkan penurunan pertumbuhan hingga 27,3% dibandingkan kontrol. Analisis regresi menunjukkan hubungan kuadratik yang kuat (R²>0,918) dengan suhu optimal 31,0-31,6°C. Temuan ini memberikan dasar ilmiah untuk pengembangan strategi mitigasi perubahan iklim dalam akuakultur, termasuk manajemen suhu budidaya dan formulasi pakan adaptif untuk mempertahankan produktivitas di era perubahan iklim global
Analysis of The Relationship Between The Role of Local Culture and Digital Media in Shaping Environmentally Conscious Character Chastanti, Ika; Ernawati, Ernawati; Malindo, Amiruddin Ahmad; Afriani, Dwi Tika; Jannah, Nur
Jurnal Pendidikan MIPA Vol 26, No 3 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i3.pp1565-1579

Abstract

The global environmental crisis demands urgent strategies to cultivate environmental awareness, particularly among youth. This study aims to analyse and compare the influence of local culture and digital media on fostering environmentally conscious character among university students in Indonesia. An ex post facto design with multivariate correlation was employed. The sample included 228 biology education students from three universities in Indonesia who had completed the Environmental Knowledge course. Data were collected via an online questionnaire consisting of 15 Likert-scale items and five open-ended questions. Expert judgment was used to validate the instrument, and reliability scores for all constructs exceeded α = 0.78. Pearson correlation and multiple linear regression were used for quantitative analysis, supported by qualitative coding of open responses. A statistically non-significant and weak correlation was found between local culture and environmental character (r = 0.185; p = 0.323). Strikingly, only 2% of respondents demonstrated awareness of local environmental cultural values, highlighting an alarming disconnect between youth and traditional ecological wisdom. Meanwhile, digital media showed a statistically significant but practically weak relationship (r = 0.150; t = 2.27; p = 0.024). This statistical significance may be attributed to the large sample size and should not be interpreted as a strong practical effect. Students frequently cited digital platforms such as TikTok and Instagram as sources of ecological content. While digital media offers an accessible entry point for environmental messaging, its real-world impact is limited. Conversely, local culture holds deep contextual potential that is currently underutilized. A key limitation of this study is its specific sample of biology education students who likely possess higher baseline environmental knowledge, potentially skewing results. Future studies should include more diverse academic disciplines to improve generalizability. These findings underscore the urgency of integrating cultural ecological values into youth education via engaging digital formats.   Keywords: digital media, environmentally conscious character, local culture. 
Co-Authors Ainur Rofieq Alfirah, Alfirah Antoro, Budi Asrindah, Asrindah Chastanti, Ika Dewi Wahyuni Dimas Pratama, Dimas Emmy Syafitri Ernawati Ernawati Hadi, Gilang Wisnu Hasruddin Huda, Atok Miftachul Ikhsan, Sahidul Junaidi, Listya Devi Malindo, Amiruddin Ahmad Manullang, Helentina Mariance Maysarah, Andi Nur Jannah Prayoga, Jonatan Ribut Wahyu Eriyanti Sarah Nasution Sirait, Florentina Pauli Siregar, Lukman Hakim Siswoyo, Bambang Hendra