Microcontroller is a technology that is developing so rapidly with various types and functions, one of which is the NodeMCU ESP8266 which can be used as a microcontroller for various functions in the field of electronics technology. This research was carried out at the Electrical and Nuclear Electronics Laboratory, Sriwijaya University and Sungai Senai in April-July 2023. The purpose of this re…
Male guppies (Poecilia reticulata) are more attractive and valuable. Monosex production of male fish mostly uses the 17α-methyltestosterone. This hormone is expensive and difficult to obtain. Thus, it is necessary to explore natural ingredients as an alternative replacement. Purwoceng plant (Pimpinella alpina) has the potential to be used. The purpose of this study was to determine the best im…
The aims of this research was to determine the survival rate and growth of nile tilapia fry during the rearing with different stocking density in tidal land drainage and rainfed pond in Bangunsari’s village, district of Tanjung Lago, Banyuasin Regency, South Sumatera. The research was conducted on 26* December 2012 until 15* February 2013. The design was randomized completely block design wit…
Koi (Cyprinus carpio) is one of popular types of ornamental fish with high commercial value. One of the innovations that can be made to increase the growth and color brightness of koi fish is through the manipulation of light duration (photoperiod). This study aimed to determine the best photoperiod for the growth and color brightness of koi fish. This study used a Completely Randomized Design …
Ikan selincah (Belontia hasselti) merupakan ikan musiman yang berasal dari rawa dan tersebar di beberapa wilayah salah satunya di Sumatera Selatan. Ikan selincah untuk konsumsi masih mengandalkan hasil tangkapan dan dikhawatirkan terjadi penurunan populasi sehingga perlu diupayakan produksi pada lingkungan terkontrol dengan cara pembenihan. Salah satu bagian penting dalam menunjang kegiatan bud…
Astaxanthin is a xantophyll group compound within the carotenoid family which functions as an antioxidant, and it can increase the digestion and absorption nutrients on fish. Supplementation astaxanthin on commercial feed is expected to stimulate the growth and increase efficiency of feed utilization by fish. This research aimed to determine the best dose of astaxanthin supplementation on comme…
The bronze featherback (Notopterus notopterus) is a wild species that has not been domesticated. Wild species reared in aquaculture tanks tend to experience disturbances in their reproductive systems. The purpose of this study was to determine changes in the development of N. notopterus ovaries after being injected with human chorionic gonadotropin (hCG). This study was a laboratory experiment.…
The utilization of the internet in Indonesia is dominated by young people, specifically those aged 13-18 years (99.16%) and 19-34 years (98.64%), who use the internet for various purposes such as learning, working, and entertainment. Despite its numerous benefits, internet usage also poses risks, such as misuse for accessing negative content, including pornography, online gambling, and phishing…
PT. Arutmin Indonesia Tambang Kintap melakukan kegiatan penambangan dengan sistem tambang terbuka dengan metode open cut, Sebagai konsekwensinya maka aktivitas penambangan sangat dipengaruhi oleh keadaan cuaca terutama curah hujan. Pada saat musim penghujan, dasar tambang yang memiliki elevasi -38 mdpl akan tergenang air akibat limpasan dari sekitar lokasi penambangan yang telah berbentuk sumur…
Geosite is a place that has high geological value because it is a witness to the geological history of the earth. Disasters are both natural and human-caused events that occur suddenly and have an impact on society. Watershed is a land area bounded by mountain ridges and is a place where rainwater is collected and stored and then channeled to the sea through the main river. The watershed functi…
This study aims to determine the water quality of the Ogan Kertapati tributary in Palembang City through the analysis of macrobenthos diversity index and its contribution to Biology lessons at the high school level. This study also shows the water pollution index through physical and chemical parameter indicators and shows the level of macrobenthos diversity. Sampling was carried out using the …
Feed is a main component to support fish growth. Formulated feed is made up of various ingredients, both animal and plant-based. The plant-based ingredient commonly used as a source of protein in fish feed formulation is soybean meal. However, soybean meal is still imported from abroad. Therefore, there is a need for alternative plant-based ingredients that can be used as a protein source to su…
One of the obstacles in snakehead fish farming is the availability of juvenile. The method that can be applied to increase juvenile production, is through hormonal stimulation such as thyroxine hormone. The purpose of this study was to determine the effect of thyroxine hormone for the duration of hatching, the percentage of egg hatching, growth, the percentage of abnormalities, and survival. Th…
ABSTRAK Kualitas pelayanan merupakan suatu upaya pemeritah dalam menerbitkan pelayanan publik yang berkualitas kepada masyarakat. Akta kelahiran adalah bukti sah yang otentik mengenai status anak yang diterbitkan oleh Dinas Kependudukan dan Pencatatan Sipil yang dipergunakan sebagai bukti sah terkait status dan peristiwa kelahiran seseorang dan termasuk hak setiap anak Indonesia. Tujuan dalam p…
Ikan jalai termasuk dalam golongan ikan hias air tawar yang berkerabatan dengan ikan gabus. Dalam perdagangan ikan, transportasi ikan dapat menyebabkan ikan mengalami stres dan bahkan terjadi kematian. Kondisi air media dan lama waktu transportasi berpengaruh pada kelangsungan hidup ikan. Penambahan bahan tertentu dalam air media dan lama waktu transportasi yang tepat dapat meminimalisir kemati…
Aeromonas hydrophila bacteria cause Motile Aeromonas Septicemia (MAS) disease in catfish. The use of phytopharmaceuticals is carried out as an alternative for disease control in catfish. One of the materials that be used is the cinnamon leaf plant. This study aimed to test the effectiveness of the use of cinnamon leaf extract through feed as a control of Motile Aeromonas Septicemia (MAS) diseas…
Permasalahan dalam pembenihan ikan betutu yaitu rendahnya persentase penetasan telur yang disebabkan karena terhambatnya perkembangan embrio dan kerja enzim penetasan (chorionase). pH berperan dalam proses penetasan telur ikan untuk merangsang keluarnya enzim chorionase. Tujuan penelitian ini adalah untuk menentukan nilai pH yang terbaik terhadap lama waktu penetasan telur, persentase penetasan…
Background: Coronary Slow-Flow Phenomenon (CSFP) is an angiographic findings that shows a delayed contrast medium flow rate in at least one coronary artery in the absence of occlusive coronary artery disease. Abnormal BMI, hypertension, and diabetes have been shown to play an important role in the occurrence of endothelial dysfunction. This phenomenon of slowing blood flow can be caused by endo…
Tidal is a phenomenon of the movement of the ups and downs of the surface of the water periodically, the high tide is veiy influential on tlie discharge and water profile on the River Musi, in the musi river flow there are tributaries river rush, ogan river, gerong river. The purpose of this study was to analyze the profile of the water table due to low tide, calculate the water profile using H…