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Firdus Firdus
Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Syiah Kuala
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Diversity and distribution of fish in the Lokop river, Leuser Ecosystem Area, Indonesia Maghfiriadi, Furqan; Firdus, Firdus; Sarong, M. Ali; Zulfahmi, Ilham; Batubara, Agung Setia
Depik Vol 12, No 1 (2023): APRIL 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.1.30181

Abstract

Lokop is one of the villages in Serbajadi District, East Aceh Regency, Aceh Province. The village has a watershed named the river Lokop. This river is located in the Leuser Ecosystem Area which is inhabited by various aquatic biota, especially fish, with the level of diversity and distribution patterns that need to be studied and analyzed conoftened. This study used the purposive sampling method, with the parameters being the level of diversity and distribution patterns of fish in the Lokop river. Data collection was carried out at 5 observation stations based on the typology of river habitat, each station was divided into three substations representing parts of the basin, river bank and river basin approximately 50 m apart. Fish sampling is carried out at each station using a plot of 10 x 10 m2. The number of plots at each station is 9 plots with a total of 45 plots. The results showed that the diversity index (H') value of fish in the Lokop river was 2.39 in the moderate category and the distribution pattern of fish in the Lokop river has a uniform pattern and clusters. Out of a total of 17 species obtained, 8 species (47%) were clustred, 8 species (47%) were uniformly distributed and 1 species (6%) could not be analyzed because only one individual was found.Keywords:FishRiverDiversityDistribution
EFFECT OF SALINITY CHANGES ON METHIONINE CONTENT IN TIGER GROUPER JUVENILE (Epinephelus fuscoguttatus) Abbas, Muhammadar Abdullah; Abidin, Muchlisin Zainal; Putra, Dedi Fazriansyah; Firdus, Firdus; Batubara, Agung Setia; Sail, Asmawati Muhammad; Syafruddin, Syafruddin; Roslizawaty, Roslizawaty; Sutriana, Amalia; Aliza, Dwinna
Jurnal Kedokteran Hewan Vol 12, No 4 (2018): December
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21157/j.ked.hewan.v12i4.12363

Abstract

This study was conducted to determine the effect of water salinity changes on methionine content in tiger grouper juvenile (Epinephelus fuscoguttatus). A total of 2,560 tiger grouper juveniles were used and divided into five groups consist of 1 control group (without exposed to salinity changes) and 4 treatment groups. The salinity was changed every 2, 3, 4, and 6 hours in treatment A, B, C, and D, respectively. Salinity levels were changed during 24 hours by lowering salinity level from 32 psu to 22 psu. Twenty five of fish were collected from each treatment for methionine content analysis. Data were analysed using one way analysis of variance (ANOVA). The results showed that there was a decrease in methionine content in all treatments. A significant decrease (P0.05) of methionine content in treatment A, B, and C were observed after 20 hours (1.15%), 18 hours (1.27%), and 16 hours (1.24%), respectively. While at 0 hours (control), the methionine content was 2.02%. Methionine level in treatment D was not significantly different (P0.05) compared to control group. As conclusion, rearing the tiger grouper juvenile with salinity fluctuations every 6 hours did not lead to methionine deficiency.
Literture Review: Kandungan Nutrisi Pakan Kelinci di Indonesia Aini Syafitri; Salsabila Al Chusna; Uswah Zilhaya; Allaily, Allaily; Firdus, Firdus
Jurnal Intelek Dan Cendikiawan Nusantara Vol. 1 No. 5 (2024): OKTOBER-NOVEMBER 2024
Publisher : PT. Intelek Cendikiawan Nusantara

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Abstract

Peternakan adalah kegiatan yang bertujuan untuk mengembangbiakkan hewan ternak sehingga memperoleh manfaat dari hewan ternak tersebut, seperti peternakan kelinci. Kelinci memiliki banyak manfaat yang berpotensi nilai jual ekonomis, yakni sebagai penyedia bahan makanan, kulit bulu, hewan peliharaan (hias), dan objek penelitian. Namun, dalam beternak kelinci diperlukan pengetahuan tentang kebutuhan nutrient yang dibutuhkan seperti protein, energi, dan mineral. Kajian ini bertujuan untuk mengetahui kandungan nutrisi dari pakan kelinci dan pengaruhnya terhadap kualitas dari kelinci sebagai hewan ternak atau hewan peliharaan dan pengaruh pertumbuhan kelinci yang diternakkan sebagai hewan peliharaan. Kajian yang dimuat berupa artikel jurnal dari tahun 2014-2024 menggunakan database Google Scholar dan Science Direct yang berfokus pada kandungan nutrisi pakan kelinci. Kandungan protein tertinggi diperoleh dari bungkil kedelai (45,44%), serat tertinggi dari Alang-alang (40,4%), karbohidrat tertinggi fermentasi serbuk gergaji (75,54%), lemak tertinggi dari tepung biji karet (49.39%). Pakan yang baik untuk meningkatkan bobot badan harian kelinci adalah pemberian 35% daun wortel (DW), 35% daun kangkung (DK) + 30% konsentrat (K) dengan rata rata peningkatan sebesar 42.33 gram/hari. Pemberian pakan berupa mash dan pasta lebih baik dibandingkan bentuk padat/pellet.
PERILAKU MAKAN DAN JENIS PAKAN ORANGUTAN (PONGO SP.): EATING BEHAVIOR AND TYPES OF ORANGUTAN FOOD (PONGO SP.) Nazila Munawira; Rukmaniza, Rukmaniza; Firdus, Firdus; Allaily, Allaily
Jurnal Intelek Dan Cendikiawan Nusantara Vol. 1 No. 6 (2024): Desember 2024 - Januari 2025
Publisher : PT. Intelek Cendikiawan Nusantara

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Abstract

Orangutan termasuk salah satu dari 26 jenis primata endemik indonesia dan dapat dijumpai di Kalimantan dan Sumatera. Orangutan diindonesia terbagi menjadi tiga spesies yaitu orangutan Kalimantan (Pongo pygmaeus), orangutan tapanuli (Pongo tapanuliensis), dan orangutan sumatera (Pongo abelii). Orangutan Sumatera (Pongo abelii) memiliki perbedaan dari orangutan kalimantan (Pongo pygmaeus) dan orangutan tapanuli (Pongo tapanuliensis) yang terlihat dari rambut, bobot badan, kebiasaan dan bentuk muka. Orangutan merupakan satwa aboreal yang banyak menghabiskan waktunya di atas pohon. Bersifat semi soliter dan banyak menghabiskan waktunya untuk makan. Metode yang digunakan yaitu dengan Teknik studi literatur dengan menelusuri sumber Pustaka dalam bentuk data primer berupa jurnal nasional dari 10 tahun terakhir (2014-2024). Hasil yang didapat yaitu 80 jenis tumbuhan pakan orangutan. Beberapa bagian tumbuhan yang dimakan yaitu daging buah sebanyak 33 jenis (25%), biji sebanyak 25 jenis (19%), daging dan biji buah sebanyak 24 jenis (18%), kulit dan daging sebanyak 14 jenis (11%). Kesimpulan jenis makanan orangutan sangatlah beragam yang terdiri dari buah, daun, kambium, serangga, dan lainnya.
Utilization of Probiotics, Fermented Beverages, and Aspergillus niger in Drinking Water on Performance and Digestive Quality of Broilers (Gallus domesticus) Rahmatillah, Zumara; Firdus, Firdus; Allaily, Allaily
Jurnal Agripet Vol 25, No 2 (2025): Volume 25, No. 2 October 2025
Publisher : Faculty of Agriculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v25i2.43233

Abstract

Probiotics and Aspergillus niger are known to play a role in supporting poultry growth and improving digestive tract health. This study aimed to determine the effectiveness of probiotics in the form of fermented drinks and A. niger in improving broiler chicken productivity and digestive tract health. The research was conducted at the LLP (Livestock Field Laboratory) of Syiah Kuala University, while the histological observations of the chicken intestinal villi surface were carried out at the Laboratory of Animal Structure and Development, Faculty of Mathematics and Natural Sciences, Syiah Kuala University. The method used in this study was a Completely Randomized Design (CRD) with 5 treatments (drinking water (control), antibiotic, 5% kefir, 5% Yakult, 2% A. niger) and 3 replications. The experimental animals used were broiler chickens from DOC to harvest age, with an initial average body weight of 5157 g, totalling 75 individuals reared for 4 weeks (30 days). The parameters measured included performance (body weight gain, feed intake, water intake, feed conversion ratio (FCR), defined as the ratio of feed required to produce one unit of body weight, and feed efficiency ratio [FER], defined as the ratio of body weight gain to feed intake), as well as histological features of the intestinal villi (height, apical width, basal width, and total surface area). Data were analysed using ANOVA at a 95% significance level, followed by Duncans multiple range test (P0.05). The results showed that the 5% kefir group (P2) had the best performance, with feed intake of 1294.25194.21 g/bird, feed conversion of 0.90330.13 g/bird, water intake of 4673.1769.06 ml/bird, body weight gain of 1792.2632.34 g/bird, and feed efficiency of 9.48670.74%. Histological analysis showed that the intestinal villi size was highest in the 5% kefir group (P2), with an average villi height of 969.9644.64 m, apical width of 110.9912.23 m, basal width of 106.9712.41 m, and total surface area of 1076.9354.26 m.
Kajian Literatur tentang Aspek Biologi dan Pola Distribusi Ikan Sidat (Anguilla sp.) di Perairan Indonesia Khairina, Khairina; Arhafna, Cut Hadisti; Firdus, Firdus; Nasir, Muhammad
Jurnal Jeumpa Vol 12 No 2 (2025): Jurnal Jeumpa
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Samudra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jj.v12i2.13225

Abstract

Ikan sidat (Anguilla sp.) merupakan ikan katadromus yang memiliki nilai ekonomis dan kandungan gizi tinggi, sehingga berpotensi sebagai komoditas perikanan penting. Indonesia memiliki keanekaragaman sidat yang tinggi dengan sembilan spesies dan subspesies yang tersebar di berbagai tipe perairan. Namun, keberadaan ikan sidat menghadapi tekanan akibat eksploitasi berlebihan, degradasi habitat, dan alih fungsi lahan. Penelitian ini bertujuan untuk mengkaji keanekaragaman spesies ikan sidat di perairan Indonesia serta pola distribusinya berdasarkan kajian literatur. Metode yang digunakan adalah tinjauan pustaka terhadap artikel ilmiah yang dipublikasikan pada periode 2015–2024, dengan sumber data utama berasal dari Google Scholar. Sebanyak 30 publikasi dianalisis yang melaporkan keberadaan ikan sidat di berbagai wilayah Indonesia, meliputi Jawa, Sumatera, Sulawesi, Bali, Nusa Tenggara Timur, Maluku, dan Papua. Hasil kajian menunjukkan bahwa Anguilla bicolor dan Anguilla marmorata merupakan spesies yang paling dominan dan memiliki sebaran terluas. Aspek biologi yang dikaji mencakup identifikasi morfologi, siklus hidup, habitat, distribusi geografis, serta karakteristik genetik dan adaptasi ekologis.
Literatur Review: Dinamika Persebaran dan Adaptasi Biologis Ikan Kerapu Macan (Epinephelus fuscoguttatus) di Wilayah Laut Tropis Indonesia Fadhliana, Nana; Arifina, Alia; Zamzami, Nanda; Firdus, Firdus; Nasir, Muhammad
Jurnal Jeumpa Vol 12 No 2 (2025): Jurnal Jeumpa
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Samudra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jj.v12i2.13226

Abstract

Ikan kerapu macan (Epinephelus fuscoguttatus) merupakan ikan karang bernilai ekologis dan ekonomis tinggi yang tersebar di perairan tropis Indo-Pasifik, termasuk Indonesia. Spesies ini memiliki ciri morfologi tubuh pipih memanjang, mulut lebar, serta sirip ekor membundar, dan dikenal sebagai ikan karnivora berumur panjang. Penelitian ini bertujuan untuk mengkaji penyebaran dan kemampuan adaptasi biologis kerapu macan di perairan tropis Indonesia berdasarkan studi literatur periode 2015–2025. Data dikumpulkan melalui tinjauan literatur sistematis dari jurnal nasional terakreditasi SINTA, jurnal internasional bereputasi (Scopus/Scimago-indexed), serta basis data akademik seperti Google Scholar, DOAJ, dan Garuda. Hasil kajian menunjukkan bahwa kerapu macan tersebar di berbagai wilayah perairan Indonesia, antara lain Kepulauan Seribu, Karimun Jawa, Takabonerate, Maluku Tengah, Teluk Kupang, Sumatera Utara, Bangka Belitung, Teluk Ambai Yapen, dan Buleleng, Bali. Penyebaran ini didukung oleh kemampuan adaptasi terhadap variasi lingkungan laut tropis, meliputi suhu 19–29°C, salinitas 10–35 ppt, dan pH 7,5–8,5. Temuan ini menegaskan pentingnya pengelolaan ekosistem pesisir yang berkelanjutan.
Utilization of fermented coffee husk feed using Aspergilus niger on histological features of tawes (Barbonymus gonionotus) Dhani, Desy Nurrahma; Fitri, Lenni; Firdus, Firdus
Depik Vol 13, No 3 (2024): DECEMBER 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.3.40864

Abstract

Coffee husk is one of the resources that has the potencial to be used as raw material for tawes (Barbonymus gonionotus) feed. The addition of Aspergillus niger in this study is known to increase the protein content of coffee husk from 15.99% to 21.75%. This study aims to determine the effectiveness of giving fermented coffee husk using Aspergillus niger on the histology of Tawes intestine. This study used a completely randomized design (CRD) with 5 treatments of coffee husk addition, namely 0%, 10%, 20%, 30%, and 40%, and 4 repetitions. The results showed that the addition of 30% fermented coffee husk into the feed produced the best intestinal histology picture with an average value of villi height of 243.21 40.02 m, basal width of 79.77 30.77 m and apical width of 69.09 14.61 m.Keywords:FermentationCoffee HuskBarbonymus gonionotusTawesAspergilus niger
Characterization of potential probiotic in digestive tract of Mugil cephalus (Linnaeus, 1758) Firdus, Firdus; Fhatalina, Cut Putri; Fitri, Lenni
Depik Vol 11, No 2 (2022): August 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.2.25698

Abstract

Probiotics are beneficial microbes in living things that are useful for improving the balance of microbes in the digestive tract and have a positive influence on the physiology and healthiness of the host. This study aimed to obtain bacterial isolates that could be used as probiotics from striped mullet (Mugil cephalus) and to characterize it macroscopically, microscopically, and biochemically. Isolation of probiotic bacteria was carried out using the spread plate method. The medium used to isolate probiotic bacteria was MRSA (De Man Rogose Sharpe Agar) medium. The probiotic test was carried out by hydrolysis of starch and casein. The diversity of bacterial morphology was observed based on macroscopic, microscopic, and biochemical tests. A total of 2 probiotic bacteria (PIB 1 and PIB 2) were obtained. The characterization results showed that the two probiotic bacteria belonged to the Gram-positive bacteria, in the form of bacilli which had different colony morphology. The results of morphological and biochemical tests indicated that one bacterial isolate belonged to the genus Bacillus (PIB 1) and the other isolate belonged to the genus Lactobacillus (PIB 2).
Heavy metal contamination of Hg and Pb in water, sediment and Violet Batissa (Batissa violacea Lamark, 1818) meat in Teunom River, Aceh Jaya Regency, Indonesia Fauziah, Fauziah; Abdullah, Abdullah; Supriatno, Supriatno; Firdus, Firdus; Nasir, Muhammad; Mellisa, Siska; Batubara, Agung Setia
Depik Vol 10, No 3 (2021): December 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.10.3.23432

Abstract

Violet Batissa (Batissa violacea) is an important economic organism on the west-south coast of Aceh, because it is relatively high consumed by the community. However, gold mining activities carried out around the watershed are estimated to pollute the river and cause B. violacea to also be affected. The purpose of this study was to determine the level of mercury (Hg) and Lead (Pb) contamination in clam meat in Teunom, Aceh Jaya Regency. The research was conducted from June to September 2021. Sampling of clam was done by purposive sampling method. Hg and Pb were analyzed in clam meat using the Atomic Absorption Spectrophotometer (AAS) method. The results of the analysis showed that the Hg content in clam meat was between 0.12-0.63 mg/kg (mean 0.350.26 mg/kg), water 0.0026-0.0103 mg/kg (mean 0.00520.004 mg/kg), and sediment 1.3224-3.8767 mg/kg (mean 2.23241.427 mg/kg). Furthermore, the results of the analysis showed that the Pb content in clam meat, water and sediment had the same value at 3 stations with values 0.00020 mg/kg, 0.00030 mg/kg, and 0.00020 mg/kg, respectively. The conclusion of this study is that the Hg content in water and sediment has exceeded the threshold, while the clam meat is still in good quality standards. The Pb content in clam meat, water and sediment were also in good quality standards. Based on our study, B. violacea is still safe for consumption, while the water has been polluted and is recommended not to be utilized for human consumption.Keywords:Heavy metalRiverWaterSedimentBatissa violacea
Co-Authors Abbas, Muhammadar Abdullah Abdullah A. Muhammadar Abdullah Abdullah Abidin, Muchlisin Zainal Achmad, Ashfa Aini Syafitri Ali Sarong Allaily Allaily Almira, Cut Syifa Amalia Sutriana Amirunnas, Amirunnas Anggi Pratiwi, Anggi Aprilla, Ratna M. Arhafna, Cut Hadisti Arifina, Alia Azzahra, Syavira Batubara, Agung Setia Chairunnisa, Nikitha Chaliluddin, Makwiyah A. Chusna, Salsabila Al Dhani, Desy Nurrahma Dwinna Aliza Edy Miswar, Edy Fadhliana, Nana Fajarna, Nova Fauziah Fauziah Fhatalina, Cut Putri Hapzi Ali Hasan, Zainuddin Husna, Yusfida Mariatul Ilham Zulfahmi Ismail Ismail Januardi Januardi, Januardi Jayawarsa, A.A. Ketut Junaidi M. Affan Khairina Khairina, Khairina Khairunnisak Khairunnisak, Khairunnisak Layyina, Qanita Lenni Fitri M. Nasir M. Nur Salim Maghfiriadi, Furqan Malliny, Indry Meutia, Fayza Meyrita, Meyrita Muhammad Nasir Muhammadar, Muhammadar Munzilin, Munzilin Nafis, Badratun Najmi, Istafan Nazila Munawira Nitami, Lili Putra, Dedi Fazriansyah Radhi, M Rahmadani, Heri Rahmatillah, Zumara Rahmi, Cut Sarah Rizkita Ramli, Ichwana Rhamadini, Dhea Rizki, Alia Rony, Zahara Tussoleha Roslizawaty Roslizawaty, Roslizawaty Rosnizar, Rosnizar Rukmaniza, Rukmaniza Sahira, Rasyadhifa As Sail, Asmawati Muhammad Salsabila Al Chusna Sandria, Feri S Shafira, Nafka Siska Mellisa Supriatno Syafitri, Aini Syafruddin Syafruddin Syahira, Siti Ashiva Umaira, Syifa Thifal Uswah Zilhaya Wahdini, Wahdini Widya Sari Yoeliarniza, Audina ZAINAL ABIDIN MUCHLISIN Zamzami, Nanda