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Tusaban Tusaban
Universitas Muhammadiyah Gorontalo
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Analisis Struktur Ukuran dan Tingkat Kematangan Gonad Ikan Tembang (Sardinella fimbriata) Sebagai Indikator Pemanfaatan Sumberdaya di Perairan Kwandang Rosyikhul F.S M Nango; Dewi Shinta Achmad; Tusaban Tusaban; Nur Jihan Fareranty Piu
Student Scientific Creativity Journal Vol. 4 No. 3 (2026): Student Scientific Creativity Journal
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sscj-amik.v4i3.6129

Abstract

Small pelagic fisheries play an important role in food security, coastal livelihoods, and local fishery economies in Indonesia. Sardinella fimbriata is one of the economically important small pelagic fish species widely utilized in coastal communities. However, increasing fishing pressure may alter population size structure and reduce reproductive sustainability. This study aimed to analyze the size structure, gonad maturity stage, and exploitation status of Sardinella fimbriata in Kwandang Waters, Tomini Bay, Indonesia. The research was conducted from August to November 2025 using a descriptive quantitative approach. A total of 1,560 fish samples collected from commercial landings were measured for total length and examined macroscopically for gonad maturity. Data were analyzed using length-frequency distribution, maturity proportion, and logistic regression to estimate length at first maturity (L₅₀). The results showed that fish length ranged from 8.0 to 19.9 cm and was dominated by the 12.0–15.9 cm size group, accounting for 75.45% of total samples. Immature gonads dominated the catch, representing 91.35% of individuals, while mature fish accounted for only 8.65%. Logistic regression estimated L₅₀ at 16.72 cm, whereas the average catch length was 13.56 cm with an Lc/L₅₀ ratio of 0.81. These findings indicate that most fish were captured before reaching reproductive maturity, suggesting growth overfishing conditions. The study highlights the importance of minimum catch size regulation, selective fishing gear, and routine biological monitoring to support sustainable management of small pelagic fisheries in Tomini Bay.
Analisis Kandungan Formalin pada Ikan Nila (Oreochromis niloticus) yang Dijual di Pasar Tradisional Kota Gorontalo Sri Gita Tamai; Tusaban Tusaban; Dewi Shinta Achmad; Nur Jihan Fareranty Piu
Student Scientific Creativity Journal Vol. 4 No. 3 (2026): Student Scientific Creativity Journal
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sscj-amik.v4i3.6130

Abstract

Food safety of fresh fish is an important concern because fish is highly perishable and may be misused with hazardous preservatives such as formalin. This study aimed to determine formalin content and analyze the relationship between length and weight of Nile tilapia (Oreochromis niloticus) and formalin levels in traditional markets of Gorontalo City. The study was conducted from January to February 2026 in five traditional markets, namely TPI Tenda, Moodu, Potanga, Andalas, and Sentral. Nile tilapia samples were analyzed using a formaldehyde test kit, and formalin levels were expressed in ppm. Total length and fish weight were measured, and the relationship between physical size and formalin content was analyzed using Pearson correlation. The results showed that all Nile tilapia samples tested positive for formalin, with concentrations ranging from 0.11 to 0.23 ppm. The highest formalin levels were found in TPI Tenda and Moodu, each at 0.23 ppm, while the lowest level was found in Sentral at 0.11 ppm. Fish length ranged from 19.43 to 25.61 cm, while fish weight ranged from 0.17 to 1.78 g. The correlations between length and formalin content and between weight and formalin content were both very strongly negative, with r = -0.97. These findings indicate that smaller fish tended to contain higher formalin levels. Market supervision, trader education, and formalin-free fish handling practices should be strengthened to protect consumer health.
Perbandingan Pakan Alami Berbeda terhadap Pertumbuhan dan Kelangsungan Hidup Benih Ikan Nila (Oreochromis Niloticus) Mohammad Ilyas Yunus; Dewi Shinta Achmad; Indri Afriani Yasin; Tusaban Tusaban
Student Scientific Creativity Journal Vol. 4 No. 3 (2026): Student Scientific Creativity Journal
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sscj-amik.v4i3.6131

Abstract

Nile tilapia (Oreochromis niloticus) culture requires an efficient and low-cost feeding strategy that can support fry growth and survival. This study aimed to analyze the effects of three types of natural feed, namely silk worms, earthworms, and snails, on absolute length growth, absolute weight growth, and survival of Nile tilapia fry. The study was conducted at the Aquaculture Laboratory, Faculty of Science and Computer Science, Universitas Muhammadiyah Gorontalo, from January 31 to March 2, 2026. An experimental method was applied using a Completely Randomized Design consisting of three treatments and three replications. A total of 45 Nile tilapia fry were reared in 9 plastic containers filled with 10 L of water, with 5 fish in each container. Growth and survival data were analyzed using ANOVA at the 5% significance level, while water quality was analyzed descriptively. The results showed that the type of natural feed had no significant effect on absolute length growth, absolute weight growth, and survival. Descriptively, silk worms produced the highest length and weight growth, with values of 2.99 cm and 6.37 g, respectively. Snails produced the highest survival rate of 86.66%. Water quality remained stable, with temperature ranging from 26.3 to 26.8°C, pH from 7.6 to 7.9, and dissolved oxygen from 5.2 to 5.6 mg/L. These findings indicate that silk worms are potential natural feed for improving growth, while snails support the survival of Nile tilapia fry.
Analisis Proksimat Pakan Ikan Nila (Oreochromis niloticus) Berbasis Tepung Bekicot, Azolla, dan Kunyit sebagai Suplementasi Fitobiotik Muhammad Kelvin S. Pontoh; Tusaban Tusaban; Dewi Shinta Achmad; Nur Jihan Fareranty Piu
Student Scientific Creativity Journal Vol. 4 No. 3 (2026): Student Scientific Creativity Journal
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sscj-amik.v4i3.6138

Abstract

High feed costs remain a major constraint in Nile tilapia (Oreochromis niloticus) aquaculture, requiring alternative feed formulations based on local ingredients with adequate nutritional quality. This study aimed to evaluate the proximate composition of fish feed formulated from snail meal, Azolla meal, and turmeric as a phytobiotic supplement. The study used an experimental method with a Completely Randomized Design consisting of three treatments and three replications. The feed formulations were P1, consisting of 55% snail meal, 25% Azolla meal, 5% turmeric, 10% corn flour, and 5% tapioca flour; P2, consisting of 39% snail meal, 39% Azolla meal, 7% turmeric, 10% corn flour, and 5% tapioca flour; and P3, consisting of 25% snail meal, 51% Azolla meal, 9% turmeric, 10% corn flour, and 5% tapioca flour. The analyzed parameters included protein, moisture, fat, ash, crude fiber, and carbohydrate contents. Data were analyzed using analysis of variance followed by the Least Significant Difference test. The results showed that feed formulation significantly affected all proximate parameters. P3 produced the highest protein content of 43.87%, fat content of 3.68%, crude fiber of 3.11%, and carbohydrate content of 7.28%, while also producing the lowest ash content of 28.46%. Moisture content ranged from 1.11% to 1.30%, indicating good feed storage stability. These findings demonstrate that the integration of snail meal, Azolla, and turmeric can improve the nutritional quality of alternative Nile tilapia feed and support locally based sustainable aquaculture feed development.
Komposisi Kimia Pakan Ikan Nila (Oreochromis niloticus) Berbasis Tepung Bulu Ayam dan Tepung Daun Kelor dengan Penambahan Kunyit sebagai Fitobiotik Andi Pernanda; Tusaban Tusaban; Dewi Shinta Achmad; Nur Jihan Fareranty Piu
Student Scientific Creativity Journal Vol. 4 No. 3 (2026): Student Scientific Creativity Journal
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sscj-amik.v4i3.6153

Abstract

The use of local raw materials in Nile tilapia feed formulation needs to be developed to reduce dependence on increasingly expensive conventional feed ingredients. This study aimed to analyze the effect of different formulations of chicken feather meal and moringa leaf meal with turmeric addition as a phytobiotic on the chemical composition of Nile tilapia (Oreochromis niloticus) feed. The study used a completely randomized design with three treatments and three replications. P1 consisted of 55% chicken feather meal, 25% moringa leaf meal, 5% turmeric, 10% corn flour, and 5% starch; P2 consisted of 40% chicken feather meal, 40% moringa leaf meal, 5% turmeric, 10% corn flour, and 5% starch; and P3 consisted of 25% chicken feather meal, 55% moringa leaf meal, 5% turmeric, 10% corn flour, and 5% starch. The parameters analyzed were crude protein, moisture, ash, crude lipid, crude fiber, and carbohydrate. Data were analyzed using analysis of variance followed by the least significant difference test when significant differences occurred. The results showed that P3 produced the highest protein content (22.60%), ash content (6.65%), crude fiber (6.55%), and carbohydrate (8.45%), whereas P2 produced the highest lipid content (6.54%). Based on chemical analysis, P3 was the most prominent formulation for most proximate parameters. However, this formulation cannot be directly concluded as the best feed for fish growth because digestibility, palatability, feed conversion ratio, growth, survival, and health responses were not evaluated. Further biological testing is therefore required to confirm its feasibility for Nile tilapia culture.
Hubungan Kualitas Pakan Dengan Intensitas Respon Estrus Sapi Potong Pada Sistem Peternakan Rakyat Di Kecamatan Pulubala Kabupaten Gorontalo Wiwid Widianto; Widiastuti Ardiansyah; Susan Mokoolang; Tusaban Tusaban; Dewa Oka Suparwata
Indonesian Journal of Innovation Multidisipliner Research Vol. 4 No. 2 (2026): April - Juni
Publisher : Institute of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/ijim.v4i2.1054

Abstract

Penelitian ini bertujuan untuk menganalisis hubungan antara kualitas pakan dengan intensitas respon estrus sapi potong pada sistem peternakan rakyat di Kecamatan Pulubala Kabupaten Gorontalo. Penelitian menggunakan pendekatan kuantitatif dengan desain observasional dan metode korelasional. Sampel penelitian sebanyak 57 ekor sapi potong betina yang dipilih menggunakan teknik purposive sampling berdasarkan kriteria tertentu, yaitu sapi dalam umur reproduktif, tidak bunting, sehat, dan dipelihara secara tradisional. Data dikumpulkan melalui observasi dan kuesioner, kemudian dianalisis menggunakan statistik deskriptif dan uji korelasi Rank Spearman. Hasil analisis deskriptif menunjukkan bahwa kualitas pakan memiliki nilai rata-rata sebesar 2,3088 yang berada pada kategori sedang menuju baik, sedangkan intensitas respon estrus memiliki nilai rata-rata sebesar 2,4947 yang berada pada kategori sedang menuju kuat. Hasil uji normalitas menunjukkan bahwa data tidak berdistribusi normal, sehingga digunakan analisis non-parametrik. Hasil uji korelasi Spearman menunjukkan nilai koefisien sebesar 0,080 dengan signifikansi sebesar 0,555 (p > 0,05), yang berarti tidak terdapat hubungan yang signifikan antara kualitas pakan dengan intensitas respon estrus sapi potong. Kesimpulan penelitian ini adalah kualitas pakan tidak memiliki hubungan yang signifikan terhadap intensitas respon estrus sapi potong pada sistem peternakan rakyat. Hal ini menunjukkan bahwa intensitas respon estrus dipengaruhi oleh berbagai faktor lain yang lebih kompleks, seperti kondisi fisiologis ternak, manajemen reproduksi, dan kemampuan deteksi estrus. Oleh karena itu, peningkatan produktivitas reproduksi ternak memerlukan pendekatan yang lebih komprehensif dan terpadu.
Co-Authors Andi Pernanda Dewa Oka Suparwata Dewi Shinta Achmad Indri Afriani Yasin Mohammad Ilyas Yunus Muhammad Kelvin S. Pontoh Nur Jihan Fareranty Piu Rosyikhul F.S M Nango Sri Gita Tamai Susan Mokoolang Widiastuti Ardiansyah Wiwid Widianto