scholarly journals LAJU PERTUMBUHAN, KELANGSUNGAN HIDUP DAN KOMPOSISI KIMIA IKAN NILA (Oreochromis niloticus) HASIL REKAYASA DARI AIR TAWAR KE AIR LAUT

2021 ◽  
Vol 1 (1) ◽  
pp. 40-50
Author(s):  
Johanna L. Thenu ◽  
Lexon H. J. Tinglioy

Tilapia (Oreochromis niloticus) is one of the most popular fish species and has high economic value. Increased demand for this type of fish must be matched by cultivation efforts. Limited land for cultivation ponds, so it is necessary to look for alternatives, one of which is cultivation in seawater floating marine cages. This study aims to determine the manipulation process of freshwater tilapia into seawater, the rate of growth and survival, and analysis of its chemical composition. The research used was an experimental method. The results of measuring water quality including salinity increased by 3 ppt per day, temperatures ranged from 27-30 OC, DO was between 7.0-7.5 mg/L, pH between 7,2-7,6. The absolute weight and length were 408.5 g and 26 cm, respectively, the growth rate was 2.27%, and the survival rate was 85-90%. The chemical composition values ​​include moisture content of 71.59%, ash 1.54%, fat 4.74%, 21.3% protein, and 0.83% carbohydrates. The results showed that freshwater tilapia can be manipulated to live in seawater and have a good growth and survival rate and have a high chemical composition, especially protein and fat.

2015 ◽  
Vol 2 (2) ◽  
pp. 90
Author(s):  
Magfirah Magfirah ◽  
Saiful Adhar ◽  
Riri Ezraneti

Penelitian ini bertujuan untuk mengetahui bagaimana pengaruh surfaktan terhadap pertumbuhan, kelangsungan hidup dan histologi insang benih ikan nila. Penelitian dilaksanakan pada bulan Oktober hingga November 2014 diLaboratorium Hatchery dan Teknologi Program Studi Budidaya Perairan Fakultas Pertanian Universitas Malikussaleh Aceh Utara. Ikan diberi perlakuan dengan konsentrasi deterjen yang berbeda, perlakuan yang diberikan yaitu: perlakuan A (Kontrol), B (deterjen 3 %), C (Konsentrasi deterjen 6 %) dan D (Konsentrasi deterjen 9 %). Pengambilan data dilakukan setiap 7 hari sekali. Adapun rancangan yang digunakan pada penelitian ini adalah Rancangan Acak Lengkap (RAL) dengan 4 perlakuan 3 ulangan dan dilanjutkan dengan Uji Beda Nyata Jujur jika terdapat perbedaan. Parameter yang diamati adalah parameter pada laju pertumbuhan, kelangsungan hidup, histologi insang dan efisiensi pakan serta parameter kualitas air (suhu dan pH). Hasil penelitian menunjukkan bahwa ikan nila yang diberi perlakuan konsentrasi deterjen 3 %, 6 %, 9 % berpengaruh terhadap pertumbuhan dan kelangsungan hidup. Perlakuan kontrol menghasilkan nilai, laju pertumbuhan dan efisiensi paling baik, yaitu masing-masing sebesar 2,84 gram, 97,36 %, sedangkan untuk kelangsungan hidup menunjukkan hasil yang terbaik pada perlakuan konsentrasi deterjen 3 % yaitu 100 %. Parameter kualitas air selama penelitian yang diukur antara lain adalah suhu air dengan kisaran 26,6-28,1 ᵒC, dan pH 7,1-7,8. This study aimed to know the effect of surfactant on growth, survival rate and gill histology of tilapia fingerling. It carried out on October to November 2014 at Hatchery and Aquaculture Technology Laboratory, Aquaculture Department Agriculture Faculty Malikussaleh University North Aceh. Experimented fish was given different concentrations of detergent. The treatments were A: control, B (detergent 3%), C (detergent 6%), and D (detergent 9%). Sampling data was done every seven days. Experimental design used was Completely Randomized Design with four treatments and three replications then it was continued by BNT test. Observed parameters were growth rate, survival rate, gill histology, feed efficiency, and water quality (temperature and pH). The result showed that different concentrations of detergent (3%, 6%, 9%) affected on growth and survival rate of tilapia fish. Control gave the best growth rate and feed efficiency which were 2,84 grams and 97,36%. While the highest survival rate was obtained in treatment of detergent 3% which was 100%. The water quality parameters during experiment were temperature ranged 26,6-28,1 ᵒC and pH ranged 7,1-7,8.


2019 ◽  
Vol 2 (2) ◽  
pp. 78
Author(s):  
Ahmad Khabib Ulin Nuha ◽  
Andi Rahmad Rahim ◽  
Aminin Aminin

As one of fish commodity, Catfish (Pangasius pangasius) has a very important economic value for the community. The time needed for catfish cultivation tends to be long and the price of feed is high so that it triggers the less optimal production of catfish. One way to maximize good production and with minimized time is by adding multivitamin probiotics to the feed. This research aims to analyze the optimal dose of probiotics to the growth and survival rate of catfish . Method used is Complete Randomized Design Design (CRDD) using 4 treatments of probiotic doses and 3 replicates. The treatments are A Control (0.00 ml/kg), B (10 ml/kg), C (15 ml/kg), and D (20 ml/kg). Absolute weight, absolute length, and survival of catfish are the main variables observed. The data were analyzed by using the analysis of variance and continued with the LSD test (the Least Significant Difference), Ü = 0.05. The optimal dose of probiotics based on the absolute length and absolute weight of catfish is 10 ml/kg and it produces an absolute weight of 5.27 gram and absolute length of 5.76 cm. The optimal daily specific growth rate is at the probiotics dose of 10 ml/kg which is 2.302.55%/day. The highest survival rate for catfish is 100% at probiotic doses of 0.000 ml/kg, 10 ml/kg and 15 ml/kg. The range of water quality is in the temperature of 27.5 – 28,90C, pH 6.79 - 7.88, DO 6.4 - 7.9 ppm, and ammonia 0 ppm.


2018 ◽  
Vol 5 (2) ◽  
pp. 88
Author(s):  
Zulfikar Zulfikar ◽  
Erlangga Erlangga ◽  
Zakiatul Fitri

AbstrakIkan badut merupakan ikan hias air laut yang mempunyai nilai ekonomis tinggi. Penelitian ini dilaksanakan pada bulan September 2017 di Laboratorium Hatchery Pembenihan Program Studi Budidaya Perairan Fakultas Pertanian Universitas Malikussaleh. Tujuan dari penelitian ini adalah untuk mengetahui warna wadah yang terbaik untuk percepatan pertumbuhan dan kelangsungan hidup benih ikan badut. Metode yang digunakan dalam penelitian ini adalah Rancangan Acak Lengkap non faktorial (RAL) dengan empat perlakuan dan tiga kali ulangan dengan wadah warna biru, hijau, merah, dan kuning. Parameter yang diamati dalam penelitian ini adalah pertumbuhan panjang dan bobot ikan, kelangsungan hidup, dan kualitas air. Hasil penelitian menunjukkan penggunaan warna wadah biru memberi pengaruh yang sangat nyata terhadap pertambahan panjang dan kelangsungan hidup ikan badut. Sedangkan pertambahan bobot berbeda nyata. Adapun angka pertambahan panjang, bobot, dan presentase SR terbaik terdapat pada perlakuan A (biru) yaitu 0,19 cm, 0,08 gram dengan presentase kelangsungan hidup 95% ikan badut. Parameter kualitas air yang diukur selama penelitian sesuai dengan kehidupan ikan badut dengan kisaran Suhu 26-290C, Salinitas 30-34 ppt, pH 7-8, and DO 4-7 (mg/L).Kata kunci: ikan badut; kelangsungan hidup; pertumbuhan; warnaAbstractClown fish is a marine ornamental fish that has high economic value. This research was conducted in September 2017 at Hatchery Laboratory Aquaculture, Faculty of Agriculture, University of Malikussaleh. The purpose of this research to determine the color container for growth and survival rate of clown fish. The method used was Completely Randomized Design (CRD). With 4 treatments and 3 replications with blue, green, red, and yellow containers. The parameters observed in this research were length growth and weight of fish, survival, and water quality. The results showed that the use of blue container color was very significantly affect on the length and survival of clown fish. While weight gain significantly different. The rate of increase length, weight, and survival rate percentage best found in treatment A (blue) 0.19 cm, 0.08 grams with survival rate percentage 95%. Water quality parameters during the research were in accordance with clown fish life with temperature range 26-29 0C, Salinity 30-34 ppt, pH 7-8, and DO 4-7 (mg/L).Keywords: clown fish; survival rate; growth; color


2021 ◽  
Vol 21 (1) ◽  
pp. 248
Author(s):  
Rajuansah Rajuansah ◽  
Muhammad Junaidi ◽  
Bagus Dwi Hari Setyono

Nereis sp. including one of the commodities that have high economic value as well as important commodities in the world of aquaculture. The survival rate of organisms affected by good cultivation management include solid spread, feed quality, water quality, parasites or diseases. High spread solids will have an impact on the decrease in growth rate, feed consumption and survival rate. Therefore, the importance of research on solid spread because it is very closely related to the production and growth speed of cultivated biota. This study was conducted to find out the influence of different scatter solids on the growth and life's smoothness Nereis sp. The research was conducted for 35 days of maintenance using marine worm biota or Nereis sp. The method used is an experimental method using a Complete Randomized Design (RAL) with 5 treatments and 3 repeats namely, Treatment 1: solid spread 50 individuals/m2, Treatment 2: solid spread 100 individuals/m2, Treatment 3: solid spread 150 individuals/m2, Treatment 4: solid spread 200 individuals/m2 and Treatment 5: solid spread 250 individuals/m2. Treatment with solid spread 150 individuals / m2 (P3) gives the best influence in improving the growth and survival of Nereis sp. 0.7838 g and 93.33%.


Author(s):  
Ana Indriyanti ◽  
Pande Gde Sasmita Julyantoro ◽  
Ni Putu Putri Wijayanti

This research aimed to determine the ability of quorum sensing inhibitor compound thiophenone to protect catfish (Clarias sp.) larvae when challenged with the pathogenic Aeromonas hydrophila. This research was conducted at Fisheries Laboratory, Faculty of Marine Science and Fisheries, Udayana University, from December 2019 to January 2020. The experiment was setting up with four treatments and three replications for each treatment. 10 larvae of catfish were maintained in aquarium 15 cm × 15 cm × 20 cm filled with 1 liter of freshwater and used aeration for oxygen supply. The treatments were treatment A (control), treatment B (addition of A. hydrophila 106 cfu/ml), treatment C (addition of thiophenone 10 µM), and treatment D (addition of A. hydrophila 106 cfu/ml and thiophenone 10 µM). The results showed that the addition of thiophenone 10 µM increased the survival of catfish larvae up to 73% when challenged with A. hydrophila. That was significantly difference (P<0,05) compare to treatment B with survival rate of 43% within 3 days of culture period. Although it was not statistically different (P>0,05), the highest absolute weight and length were found in treatment A of 0,47 g and 0,50 cm, respectively, while the lowest absolute weight and length were found in treatment B about 0,23 g and 0,17 cm, respectively. The water quality such as temperature, pH and DO were still within the range that supported the growth and survival of catfish larvae during this study.


2017 ◽  
Vol 11 (3) ◽  
pp. 249
Author(s):  
Lisa Fajar Indriana ◽  
Yuli Afrianti ◽  
Sitti Hilyana ◽  
Muhammad Firdaus Firdaus

Teripang pasir, Holothuria scabra merupakan komoditas hasil laut yang bernilai ekonomis tinggi. Penangkapan berlebihan stok di alam mendorong berkembangnya kegiatan budidaya. Penempelan merupakan fase kritis pada larva teripang karena terjadi peralihan sifat planktonis ke bentik yang memerlukan substrat. Penelitian ini bertujuan untuk mengetahui preferensi penempelan, pertumbuhan, dan sintasan larva H. scabra fase penempelan pada substrat lamun yang berbeda. Penelitian menggunakan metode rancangan acak lengkap dengan perlakuan empat jenis daun lamun berbeda dan lima ulangan. Perlakuan terdiri atas Enhalus acoroides (L-1), Syringodium isoetifolium (L-2), Cymodocea serrulata (L-3), dan Cymodocea rotundata (L-4). Jumlah awal larva sebanyak 1.000 individu dan substrat dirangkai dengan luasan yang sama sebesar 12 cm x 17 cm untuk setiap unit penelitian. Hasil penelitian menunjukkan jenis lamun yang digunakan sebagai substrat berpengaruh secara nyata terhadap preferensi penempelan dan sintasan larva teripang pasir, namun tidak berpengaruh terhadap pertumbuhan. E. acoroides menunjukkan hasil terbaik dengan preferensi penempelan 0,26 ind. cm-2 dan sintasan 10,66%; sehingga layak digunakan sebagai substrat penempelan dalam pembenihan teripang pasir, H. scabra.Holothuria scabra larvae on different seagrass substrates. By: Lisa Fajar Indriana, Yuli Afrianti, Sitti Hilyana, and Muhammad FirdausSandfish Holothuria scabra is marine commodities with a high economic value. Overfishing of natural stocks has compelled an interest to begin aquaculture practice. Settlement is a critical phase for the planktonic larvae as they will transform to benthic form in the presence of substrate. This study aims to evaluate the settlement preferences, growth, and survival rate of H. scabra larvae settled on different seagrass leaves. The research was conducted using the Completely randomized design with four different species of seagrass leaves and five replications. The treatments consist of Enhalus acoroides (L-1), Syringodium isoetifolium (L-2), Cymodocea serrulata (L-3), and Cymodocea rotundata (L-4). Initial number of larvae was 1,000 individuals and the substrate was set with same widthof 12 cm x 17 cm for each unit. Results of the experiment indicated that settlement preference and survival rate of H. scabra larvae was significantly affected by seagrass used as substrate while no significantly differences was observed for growth of larvae. E. acoroides showed the best result with 0.26 ind. cm-2 settelement preference and 10.66% survival rate, so that suitable to be used as settlement substrate in H. scabra hatchery.


Author(s):  
Dio Patria Yustysi ◽  
Fajar Basuki ◽  
Titik Susilowati ◽  
Tristiana Yuniarti

ABSTRAK Penelitian ini bertujuan untuk mengetahui pengaruh dari hibridisasi ikan nila Pandu F6 dengan nila Nilasa terhadap karakter reproduksinya dan performa benih yang dihasilkan. Penelitian ini dilakukan dengan metode eksperimental menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 kali ulangan. Perlakuan dalam penelitian ini: perlakuan A (Pandu F6 ♀><Pandu F6 ♂), B (Nilasa ♀><Nilasa ♂), C (Pandu F6 ♀>< Nilasa ♂), dan D (Nilasa ♀><Pandu F6 ♂). Data yang diamati meliputi fekunditas, daya tetas telur, diameter dan bobot telur, panjang dan bobot larva TL, panjang dan bobot larva lepas kuning telur, kelulushidupan, laju pertumbuhan spesifik, konversi pakan dan kualitas air. Hasil penelitian menunjukan nilai terbaik pada fekunditas sebesar 1191,67 ± 239,45 butir/200 g, daya tetas telur sebesar 80,93 ± 3,90%, kelulushidupan sebesar 81,55 ± 7,54%, laju pertumbuhan spesifik sebesar 7,26 ± 0,25, konversi pakan 0,54 ± 0,02 didapatkan pada perlakuan C, akan tetapi untuk diameter dan bobot telur, panjang dan bobot larva Kuning Telur, dan panjang dan bobot larva lepas kuning telur tidak berbeda nyata. Hasil tersebut menunjukan bahwa hibridisasi (perlakuan C) memberikan pengaruh yang nyata (P < 0,05) terhadap fekunditas, daya tetas telur, kelulushidupan, laju pertumbuhan spesifik, dan konversi pakan tetapi tidak berpengaruh terhadap diameter dan bobot telur, panjang dan bobot larva, dan panjang dan bobot larva lepas kuning telur. Kata kunci: Hibridisasi, Ikan Nila, Karakter Reproduksi, Performa Benih  ABSTRACT This research aims to know the influence of hybridization tilapia fish Pandu F6 with nila Nilasa against the character of the reproduction and seed performance. This research was conducted with the experimental method using Random Design complete (RAL) with 4 treatments and three replicates. The treatments in this study: the treatment A (Pandu F6 F6 ♀ >< Pandu ♂), B (Nilasa ♀>< Nilasa ♂), C (Pandu F6 ♀>< Nilasa ♂), and D (Nilasa ♀ >< Pandu F6 ♂). The observed data covering fecundity, hatching rate, egg size, yolk sack larva length and weight, length and weight of the egg yolk off larvae, survival rate, specific growth rate, feed conversion rate, and water quality. The results showed the best value on the fecundity of 1191.67±239.45 eggs/200 g, Hatching rate 80.93 ± 3.90%, Survival rate of 81.55 ± 7.54%, specific growth rate of 7.26 ± 0.25, conversion fodder 0.54 ± 0.02 obtained at the treatment C, but for the diameter and weight of egg, larval length and weight TL, and the length and weight of the yolk egg off larvae for each treatment do not differ markedly. The results showed that hybridization (treatment C) gives a real influence (P < 0.05) of fecundity,hatching rate, survival rate but not with the egg size, larva weight and length, and the length and weight of larvae off yolk. Water quality on the spawning, hatching eggs and larvae found on the maintenance of a decent range for tilapia fish farming Keywords: hybridization, tilapia fish, character of the reproduction, seed performance 


2015 ◽  
Vol 6 (2) ◽  
Author(s):  
Muhammad Junaidi ◽  
Mat Sardi Hamzah

ABSTRACT The development of lobster farming in floating net cage in Ekas Bay caused an environmental degradation such as decrease water quality due to some aquaculture wastes. The purposes of this study were to determine the status of water quality and their effect on growth and survival rate of lobster reared in floating net cages (FNC) in the Ekas Bay, West Nusa Tenggara Province. Water sample collection and handling referred to the APHA (1992). Analyses of water quality data were conducted using Principal Component Analysis. Determination of the water quality status of Ekas Bay was performed with STORET system. Multivariate analyses were used to determine the relationship between water quality, growth, and survival rate of lobster reared in FNC. Results showed that Ekas Bay water quality status was categorized in class C (medium contaminated), which exceeded some quality standard parameters such as ammonia (0.3 mg/l), nitrate (0.008 mg/l), and phosphate (0.015 mg/l). During lobster farming activities feeding with trash fish for 270 days, we obtained daily growth rate of  0.74% (lower than normal growth rate of 0.86%), survival rate of 66% (lower than normal survival rate of 86.7%), and feed conversion ratio of 11.15. Ammonia was found as a dominant factor reducing growth  and survival rate of lobster reared in FNC. Keywords: water quality, lobsters, growth, survival, Ekas Bay


2021 ◽  
Vol 322 ◽  
pp. 02006
Author(s):  
Eri Setiadi ◽  
Adang Saputra ◽  
Imam Taufik

Eel, Anguilla bicolor bicolor has an economic value for export commodity. Eel farming has been developed both of home to industries scales. However, the main problem during the glass eel culture is the low survival rate, characterized by high mortality. This condition is related to the culture technique that has not been established yet, especially water quality management. The research aims to determine the best water exchange during the culture of the glass eel on the survival, growth, and blood glucose. The different percentages of water exchange as a treatment were followed A) control (without water exchange); B) 20% of water exchange; C) 40% of water exchange; and D) 60% of water exchange. The water exchange has affected the survival, growth, and blood glucose (P<0.05). The ammonia, nitrite, and nitrate values during the culture period showed that the control was higher compared to the others. The water exchange of 40% is suitable for glass eel stage culture to obtain the best survival and growth.


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