Starved was one effort that can reduce the feed consumption and feed residues without decreasing growth of cultured fish. The purpose of this research was to determine the effect of starved periodically to the specific growth rate and feed efficiency of tilapia reared in the pond. The research had been conducted in Laboratorium Budidaya Perairan, Faculty of Agriculture, Sriwijaya Unversity on April – Juni 2016. This research method used Completely Randomized Design with four treatments and three replications that was every day feed without starvation (P0), one day feed one day starvation (P1), two days feed one day starvation (P2) and three days feed one day starvation (P3). Parameters of this research are specific growth rate, feed efficiency, survival rate and water quality (temperature, pH, DO, ammonia). The result showed that starved periodically significantly effect to the growth rate and feed efficiency of cultured tilapia in the pond. Treatment P1 (one day feed one day starvation) gave highest specific weight growth rate and specific length growth rate which were 2.32%.day-1 and 1.27%.day-1 then feed efficiency was 84.46%. The highest survival rate occurred in treatment P1 (one day feed one day starvation) 82%. Water quality of this research were temperature 27.0-31.5 oC,  pH 6.8-7.9, dissolved  oxygen 4.53-7.23 mg.L-1, and ammonia 0.01-0.30 mg.L-1. Keywords : Feed Efficiency, Specific growth rate, Starved, , Tilapia.

Climbing perch (Anabas testudineus) is a kind of swamp fish which is potentially to be cultivated. Photoperiod is one of factor that influence growth from culture fish larvae. Light also influence growth hormone and make larvae easier to eat their feed because larvae usually visual feeder. The aim of this research is to determine the best photoperiod in larvae of age 3 – 27 days so as to generate growth and survival rate climbing perch of larvae highest in aquarium with defferent of photoperiod. The usage of the research are expected that different photoperiod can influence the growth and survival of climbing perch larvaes. The research was conducted on April - May 2016 in Laboratory of Budidaya Perairan, Faculty of Agriculture, Sriwijaya University. This research methods used completely randomized design (CDR) with use six treatments and three replications of photoperiod those are P1(24L:0D), P2(18L:6D), P3(12L:12D), P4(6L:18D), P5(0L:24D). The parameters of this research are growth, survival rate of climbing perch larvae and maintenance of water quality. The result showed that photoperiod has significant effect of survival rate, weight growth and length growth from climbing perch photoperiod for 24 hours each day  (treatments P1) has the highest result for survival rate and growth 81.11%±2.01%,  30.68mm±0.14mm, 0.46g±0.04g. The value of water quality during larvae rearing were temperature 27 – 31 oC, pH 5.70 – 7.10, dissolved oxygen 4.56 – 7.58 mg.L-1 and ammonia 0.02 – 0.11 mg.L-1. Keywords: Climbing perch, Growth, Photoperiod, Survival rate

Dengue hemorrhagic fever is a disease caused by the dengue virus. This disease is transmitted through the bite of Aedes aegepty and Aedes albopictus mosquitoes. Dengue hemorrhagic fever is an infectious disease that often causes outbreaks and causes death. Usually dengue fever is diagnosed late. The purpose of this study is to design and create an expert system that is able to diagnose early and provide solutions for dengue fever according to the knowledge of an expert. This expert system is web-based using the programming language PHP and MySQL as the database. The method used is forward chaining, which is an advanced method based on the premises in the rules and facts given by the user. The method used in the manufacture and development of expert systems is the waterfall system method which consists of five phases. Test results based on advanced sequences, namely the system is able to obtain clinical diagnosis results and the system is able to provide information and solutions about dengue fever based on the knowledge and abilities of the doctor.

Desa Sakatiga terletak di Kecamatan Indralaya Kabupaten Ogan Ilir, Sumatera Selatan, memiliki potensi pengembangan perikanan budidaya. Permasalahan yang sering dialami oleh pembudidaya ikan lele di desa Sakatiga diantaranya tingginya harga pakan dan minimnya pengetahuan masyarakat tentang bahan lokal yang dapat digunakan sebagai bahan baku pakan ikan. Permasalahan tersebut dapat diatasi dengan membuat pakan secara mandiri. Tujuan dari kegiatan ini adalah mengetahui efektivitas pemanfaatan bahan baku lokal sebagai pakan ikan terhadap peningkatan produktivitas budidaya ikan lele (Clarias sp.) di desa Sakatiga, Kecamatan Indralaya, Kabupaten Ogan Ilir, Sumatera Selatan. Metode yang digunakan yaitu dengan penyuluhan dan diskusi, pelatihan pembuatan pakan serta demplot pemanfaatan bahan lokal sebagai bahan baku pakan ikan serta pendampingan teknis oleh tim dan dibantu mahasiswa yang melaksanakan praktik lapang di lokasi mitra. Berdasarkan hasil yang diperoleh menunjukkan adanya peningkatan pengetahuan masyarakat tentang bahan lokal yang dapat digunakan sebagai pakan ikan serta motivasi masyarakat untuk membuat pakan dengan menggunakan bahan baku lokal. Pemanfaatan bahan baku lokal sebagai pakan ikan lele menghasilkan pertumbuhan bobot dan panjang mutlak masing-masing sebesar 9,94 g dan 3,83 cm, laju pertumbuhan harian 2,21%/hari, efisiensi pakan 103,24% dan kelangsungan hidup 97%.

Snakehead (Channa striata) is carnivorous fish that requires a source of nutrients from animal. Trash fish is one of alternative feed that can be used to rearing snakehead. This research aims to determine survival rate and growth of snakehead fry feeding by trash fish. This research is conduct on June- July 2016 in the Laboratorium Budidaya Perairan, Aquaculture Study Program. The research is design using Completely Randomized Design (CRD) consist of five treatments that are freshwater trash fish 100% (P1), marine trash fish 100% (P2), freshwater trash fish 75% : marine trash fish 25% (P3), freshwater trash fish 50% : marine trash fish 50% (P4), and freshwater trash fish 25% : marine trash fish 75% (P5). The parameters to be observed were survival rate, growth, feed efficiency and water quality. Based on the research results indicate (P4) the survival rate, growth absolutly length, absolutly weight and feed efficiency are significantly different. (P4) trash fish 50%: marine trash fish 50% diet is show highest value of survival rate, growth absolutly length, absolutly weight and feed efficiency are respectively 83.33%, 1.90 cm, 0.500 g and 71.93%.  Water quality of rearing measurements during the research were temperature 28.8-29.7°C, pH 6.5-7.9, dissolved oxygen 4.50-5.27 mg.L-1 and ammonia 0.09- 0.24 mg.L-1. Water quality parameters were still support for rearing of snakehead fry. Keywords : Snakehead, Freshwater trash fish, Marine trash fish

The addition of atractant in feed is expected could improve snakehead respond,andincreasing its growth. The Aims of this study are to knowfeed respond, the feed intake, growth, feed efficiency, and survival rate of snakehead fry given by feed with different various of atractant.This research was conducted on Jun-July 2016 at Laboratorium Dasar Perikanan Program Study Budidaya Perairan, Agriculture Faculty, Sriwijaya University. This research was using completely randomized designed with four treatments and three replications, consist offeed without attractants (P0), feed with 2% fish meal addition (P1), feed with 2% squid meal addition (P2), and feed with 2% shrimp meal addition (P3). Fish maintained for 30 days and fed four times a day (at 07.00, 11.00, 14.00 and 17.00) are at satiation. Parameters of this research are feed respond, the feed intake, growth, feed efficiency and survival rate of snakehead fry. The result showed that given of atractant effect to feed intake and absolute growth of weight (Channa striata) fry, yet did not give effect to snakehead respond significantly, for absolute growth of length, feed efficency and survival rate. The best treatment was P3 (feed with 2% shrimp meal addition) with feed intake was 17.19 g, absolute growth of weight was 0.52 g, absolute growth of length was 1.33 centimetre, survival rate was 73.33% and feed efficiency was 48.97%. Physical and chemical of media maintanace, temperature 25-28oC, pH was 6.35-6.96, DO was 5.05-5.96 mg.L-1 and ammonia 0.02-0.17 mg.L-1. Keywords        : Atractant, Channa striata, Growth and feed respond

The aim of this research was to determine of optimum dosage of papain enzyme in feed for kissing gourami. This research used Completely Randomized Design non-factorial, consist of four treatments and three replications, namely: P0 (wihout papain supplementation in feed/as a control), P1 (1.5% papain in feed), P2 (3.0% papain in feed), and P3 (4.5% papain in feed). Kissing gourami with initial body weight of 0.51+0.07 g were stocked in each aquarium (volume 20 L of water) of 2 fish per litre of water. Fish reared for 45 days. During rearing time, fish were fed three times a day at satiation. Observed variable were growth, feed efficiency, protein retention, survival rate, and water quality of rearing media of kissing gourami. The growth, feed efficinecy, protein retention, and survival of kissing gourami were analyzed by analysis of variance. If the data significant different were analyzed by Least Significant Different test. Water quality of rearing media were descriptive analysis. The result showed that addition of 1.5% papain enzyme in feed result in the growth, feed efficiency, protein retention, and survival of kissing gourami were highest. The weight growth of fish of 0.44 g per fish, feed efficiency of 38.66%, protein retention of 23.60%, and survival of 97.78%. Water quality of rearing media were still in tolerance range for kissing gourami.Keywords: Feed efficiency; Growth; Kissing gourami; Papain enzyme; Protein retention

Decision Support System (SPK) becomes a system that is always needed for companies in determining a decision, one of which is in determining the annual bonus for employees. PT. Delima Makmur Aceh Singkil in determining employee bonuses every year is still processed manually and assisted by the number and letter processing application, so the results of the calculation of employees who receive bonuses often do not match the criteria and performance of the employee. Bonus calculation results often affect the personal relationship between employees and managers or superiors. Regarding the problems needed a decision support system that can result in proper and transparent decisions in determining employees who receive annual bonuses from the company. The method used in the process of calculating bonus determination is the Simple Additive Weighting (SAW) method. The system making model uses a waterfall model and the system design model used is UML. The programming language used in making systems is PHP (Hypertext Preprocessor), and MySQL as a database, and system testing with the Black Box testing method. The results of the study are the SPK system makes it easier for companies in the assessment process and calculation of employee bonus determination in accordance with employee criteria and performance. This SPK system can provide transparent assessments and calculations in determining the bonus received by employees