scholarly journals PENGARUH SHELTER BERBEDA TERHADAP PERTUMBUHAN DAN SINTASAN CRABLET KEPITING RAJUNGAN (Portunus pelagicus)

2020 ◽  
Vol 3 (1) ◽  
pp. 06-10
Author(s):  
Sri Wahyuni ◽  
Sutia Budi ◽  
Mardiana Mardiana
Keyword(s):  
Brackish Water ◽  
Carapace Length ◽  
Initial Weight ◽  
Portunus Pelagicus ◽  
Randomized Design ◽  
Different Types ◽  
Final Weight ◽  
Absolute Growth ◽  
Completely Randomized Design ◽  
Brackish Water Aquaculture

Tujuan penelitian ini untuk mengetahui penggunaan shelter dalam meningkatkan kelulusan hidup dan menurunkan kanibalisme crablet rajungan (Portunus pelagicus). Penelitian ini di laksanakan selama 2 bulan di Balai Perikanan Budidaya Air Payau (BPBAP) Takalar. Salah satu upaya untuk mengurangi tingkat kanibalisme pada budidaya rajungan (Portunus pelagicus) adalah dengan pemberian shelter berupa Rumput laut Glacillaria, rumput sintetis, waring hitam. Rajungan (Portunus pelagicus) stadia crablet diperoleh dari BPBAP Jepara  dengan berat awal 0.03 gram sedangkan berat akhir 0.64 gram, metode yang digunakan adalah rancangan acak lengkap dengan 4 perlakuan dan 3 ulangan. Hasil penelitian pengunaaan jenis shelter yang berbeda terhadap pertumbuhan mutlak dan panjang karapas  yang bertujuan untuk mengurangi tingkat kanibalisme kepiting tidak berpengaruh nyata. Sedangkan hasil perhitungan sintasan Rajungan (Portunus pelagicus) dapat disimpulkan bahwa hasil penggunaan jenis shelter yang berbeda dapat  berpengaruh nyata (P< 0,01) The aim of this study was to determine the use of shelter in increasing survival and reducing cannibalism of small crab (Portunus pelagicus) crablets. ` This research was carried out for 2 months at the Center for Brackish Water Aquaculture (BPBAP) Takalar. One effort to reduce the level of cannibalism in crab cultivation (Portunus pelagicus) is to provide shelter in the form of Glacillaria seaweed, synthetic grass, black waring. Crayfish (Portunus pelagicus) crablet stage was obtained from BPBAP Jepara with an initial weight of 0.03 grams and a final weight of 0.64 grams. The method used was a completely randomized design with 4 treatments and 3 replications. The results of the study using different types of shelter on absolute growth and carapace length aimed at reducing the level of crab cannibalism did not have a significant effect. While the results of the calculation of the survival of the crab (Portunus pelagicus) can be concluded that the results of using different types of shelters can have a significant effect (P < 0.01)

scholarly journals EFFECT OF DIFFERENT TYPES OF FERTILIZER ON THE GROWTH OF MARINE PHYTOPLANKTON POPULATION Chlorella vulgaris

2021 ◽  
Vol 4 (1) ◽  
pp. 65-72
Author(s):  
M. Fauzan ◽  
Sofyan Husein Siregar ◽  
Syafruddin Nasution
Keyword(s):  
Chlorella Vulgaris ◽  
Marine Phytoplankton ◽  
Relative Growth ◽  
Randomized Design ◽  
Triple Super Phosphate ◽  
Different Types ◽  
West Sumatra ◽  
Absolute Growth ◽  
Completely Randomized Design ◽  
The Difference

This research was conducted on October 13-26, 2019 in the Regional Technical Implementation Unit of the Seawater and Brackish Aquaculture Fisheries Office (UPTD BPBALP Teluk Buo), West Sumatra. This study aims to determine the effect of applying different types of fertilizers to the growth of Chlorella vulgaris microalgae populations on laboratory scale culture. The method used in this study was an experimental method in the laboratory using a completely randomized design (CRD) one factor, namely the difference in fertilizer types with 3 (three) replications. Fertilizers used are Walne fertilizer, ZA (Zwavelzure Ammoniak) and TSP (Triple Super Phosphate). The testing organism in this study was phytoplankton C. vulgaris. The container used was a glass jar (3 liter capacity). The parameters measured in this study include absolute growth, relative growth, specific growth, self-doubling time and water quality. The results of this study indicate that the best type of fertilizer for C.vulgaris population growth was TSP fertilizer, followed by ZA fertilizer and the lowest in Walne fertilizer.

Effect of Natural Feed on Feed Consumption Level and Feed Conversion Ratio of Tropical Abalone Haliotis asinina on Sea Cage

2017 ◽  
Vol 862 ◽  
pp. 121-126
Author(s):  
Hadijah
Keyword(s):  
Experimental Design ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Feed Consumption ◽  
Feed Conversion ◽  
Initial Weight ◽  
Randomized Design ◽  
Different Types ◽  
Completely Randomized Design ◽  
Sea Cage

The research was conducted from June to August 2015 in Barrang Lompo Island, District Ujung Tanah, Makassar. The animal sample used was abalone measuring 3 - 4 cm with the initial weight 6.2 g. The experimental design in this reaserch used Completely Randomized Design (CRD). There are three kinds of treatment are (A) Gracillaria sp., (B) Halymenia sp., and (C) Sargassum sp. The results showed that the different types of feed giving a very significant influence towards of level consumption and feed convertion ratio (FCR). The highest level of feed consumption on feed treatment is Gracillaria sp., while the best feed conversion ratio on feed treatment is Sargassum sp.

scholarly journals PENGARUH PENGGUNAAN AMPAS TAHU TERFERMENTASI MENGGUNAKAN MIKROORGANISME MIX TERHADAP KINERJA PERTUMBUHAN JUVENIL UDANG VANAME (Litopenaeus vannamei)

2020 ◽  
Vol 13 (3) ◽  
pp. 206-212
Author(s):  
S Surianti ◽  
A Aslamyah ◽  
W Wahyudi
Keyword(s):  
Growth Rate ◽  
Litopenaeus Vannamei ◽  
Initial Weight ◽  
Consumption Level ◽  
Randomized Design ◽  
Shrimp Feed ◽  
Absolute Growth ◽  
Completely Randomized Design

ABSTRACTThis study aims to determine the effect of the use of fermented tofu dregs using mix microorganisms on the growth of vaname shrimp (Litopenaeus vannamei). Test animals used in this study were 22-day-old vaname shrimp (PL 22) with an initial weight of ± 0.09 g. This study uses a completely randomized design (CRD) consisting of 4 treatments and 3 replications to obtain 12 experimental units, namely PA (5% fermented tofu waste) PB (10% fermented tofu waste) PC (15% fermented tofu waste) PD (20% fermented tofu pulp). The results showed that the treatment of various doses of fermented tofu dregs using Microorganism Mix significantly affected the growth rate and survival but did not affect the level of consumption of vaname shrimp feed. 15% fermented tofu pulp dosage is the best treatment for absolute growth, survival and consumption level of vaname shrimp feed Keywords: Tofu waste, mixed microorganisms, vaname shrimp, absolute growth, survival ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh penggunaan ampas tahu terfermentasi menggunakan mikroorganisme mix terhadap pertumbuhan udang vaname (Litopenaeus vannamei). Hewan uji yang digunakan dalam penelitian ini adalah udang vaname umur 22 hari (PL 22) dengan bobot awal ± 0,09 g. Penelitian ini menggunakan rancangan acak lengkap (RAL) yang terdiri dari 4 perlakuan dan 3 kali ulangan sehingga diperoleh 12 unit percobaan, yakni PA (5 % ampas tahu terfermentasi) PB (10 % ampas tahu terfermentasi) PC (15 % ampas tahu terfermentasi) PD (20 % ampas tahu terfermentasi). Hasil penelitian menunjukkan perlakuan berbagai dosis ampas tahu terfermentasi menggunakan Mikroorganisme Mix berpengaruh nyata terhadap laju pertumbuhan dan sintasan tetapi tidak berpengaruh terhadap tingkat konsumsi pakan udang vaname. Dosis ampas tahu terfermentasi sebanyak 15% merupakan perlakuan terbaik untuk pertumbuhan mutlak, kelangsungan hidup dan tingkat konsumsi pakan udang vanameKata kunci : Ampas tahu, mikroorganisme mix, udang vaname, pertumbuhan mutlak, kelangsungan hidup

NATURAL FEEDING OF SLUDGE WORMS (Tubifex sp.) WITH DIFFERENT FEEDING RATE ON GROWTH AND SURVIVAL RATE OF CTENOPOMA (Ctenopoma acutirostre) FISH SEEDS

2019 ◽  
Vol 5 (2) ◽  
Author(s):  
Muhammad Atilah Setiawan ◽  
Muarif Muarif ◽  
Fia Sri Mumpuni
Keyword(s):  
Survival Rate ◽  
Feeding Rate ◽  
Specific Growth ◽  
Feeding Frequency ◽  
Initial Weight ◽  
Growth And Survival ◽  
Randomized Design ◽  
Absolute Length ◽  
Test Fish ◽  
Completely Randomized Design

The aim of this study was to determine the growth and survival rate of Ctenopoma fish seeds. This study used a completely randomized design with 3 treatments and 3 replications. The treatment in this study was a different feeding rate using natural feed of Tubifex sp  namely A (8%), B (10%), and C (12%) ). The test fish used was Ctenopoma fish seeds with an initial length of 2.40 ± 0.10 cm and an initial weight of 0.32 ± 0.05 g. Fish seeds are cultivated  for 28 days with feeding frequency twice a day. The results of research showed that the use of different feeding rate had an significantly different (P<0.05) on the specific growth  rate and absolute length growth with the best results in the treatment C. The survival rate was not significantly different between treatments (P>0.05). Key Words: Ctenopoma, feeding rate, growth, survival rate 

EFFECTIVENESS Daphnia sp. WHICH IS PELET FEEDING TO THE GROWTH OF SEMAH’S LARVAE Tor douronensis (Valenciennes, 1842)

2020 ◽  
Vol 5 (2) ◽  
pp. 23-27
Author(s):  
Dina Tri Madya Ningsih ◽  
Siti Hudaidah ◽  
Mas Tri Djoko Sunarno
Keyword(s):  
Survival Rate ◽  
Fish Larvae ◽  
Weight Growth ◽  
Randomized Design ◽  
Test Parameters ◽  
Absolute Growth ◽  
Absolute Length ◽  
Effective Doses ◽  
Endemic Fish ◽  
Completely Randomized Design

The semah fish (Tor douronensis) is an Indonesian endemic fish that has a long growth, which takes 4 years to grow from larvae to broodstock. This study aims know of Daphnia sp. pelet fed with effective doses to increase the growth of semah’s fish larvae. The study was conducted from March 25 to April 13, 2020 at the Instalasi Riset Plasma Nutfah, Cijeruk, Bogor, West Java. The experimental design used completely randomized design (CRD) 4 treatments and 3 replications, namely treatment A (Daphnia sp.+pelet feed 0 gr/ L), treatment B (Daphnia sp.+ pelet feed 1 gr / L), treatment C (Daphnia sp. + pelet feed 2 gr / L), treatment D (Daphnia sp. + pelet feed 3 gr / L). The larvae of 9 days in age were randomly stocked into 12 aquariums measuring 60x30x35 cm with a density of 50 fish/aquarium and fed in the form of Daphnia sp. enriched pelet feed according to the treatment of 50 ind/larvae by giving 3 times a day which is maintained for 20 days. The test parameters measured are absolute growth in length and weight, survival rate, and water quality. Based on the results of statistical analysis (Anova), the results showed that the treatment D gave the highest influence on the growth of semah’s fish larvae (P <0.05) with an absolute weight growth value of 85,3 mg, absolute length growth of 10.6 mm, and survival rate 99.33%.

scholarly journals ANALISIS PEMBERIAN VITAMIN C PADA ROTIFER DAN ARTEMIA TERHADAP SINTASAN, RASIO RNA/DNA, KECEPATAN METAMORFOSIS DAN KETAHANAN STRES LARVA RAJUNGAN (Portunus Pelagicus) STADIA ZOEA

2020 ◽  
Vol 2 (2) ◽  
pp. 30-34
Author(s):  
Faidar Faidar ◽  
Sutia Budi ◽  
Erni Indrawati
Keyword(s):  
Vitamin C ◽  
Stress Resistance ◽  
Brine Shrimp ◽  
Optimum Dose ◽  
Ratio Analysis ◽  
Chemical Physics ◽  
Portunus Pelagicus ◽  
Crab Larvae ◽  
Randomized Design ◽  
Completely Randomized Design

Penelitian ini bertujuan untuk menganalisis kandungan vitamin C rotifer, artemia dan larva rajungan setelah diperkaya dengan vitamin C dan menganalisis pemberian vitamin C terhadap sintasan, rasio RNA/DNA, kecepatan metamorfosis dan ketahanan stres larva rajungan stadia zoea. Serta menentukan dosis optimum vitamin C yang menghasilkan sintasan, rasio RNA/DNA, ke-cepatan metamorfosis dan ketahanan stres larva rajungan stadia zoea yang terbaik. Penelitian ini dilaksanakan pada bulan Mei sampai Juni 2020 di unit pembenihan kepiting dan rajungan Balai Perikanan Budidaya Air Payau (BPBAP) Takalar. Analisis Rasio RNA/DNA dilakukan di Laboratorium Uji Fisika Kimia BPBAP Takalar. Rancangan penelitian menggunakan Rancangan Acak Lengkap (RAL). Hasil penelitian menunjukkan bahwa pemberian vitamin C pada rotifer dan artemia dapat meningkatkan kandungan rotifer, artemia dan larva rajungan. Pemberian vitamin C pada rotifer dan artemia terhadap larva rajungan stadia zoea dapat meningkatkan sintasan, kecepatan metamorfosis dan ketahanan stres larva rajungan dan Dosis vitamin C 250 ppm yang terbaik pada pemeliharaan larva rajungan stadia zoea. This study aimed to analyze the content of vitamin C rotifer, artemia and small crab larvae after enriched with vitamin C and to analyze the provision of vitamin C to survival, RNA / DNA ratio, metamorphosis rate and stress resistance of crab larvae in zoea stage. Also, it aimed to determine the optimum dose of vitamin C which produces the best survival rate, RNA/DNA ratio, metamorphosis speed and stress resistance of crab larvae in zoea stage. This research was conducted from May to June 2020 in the hatchery unit of the Brackish Water Cultivation Fishery Center (BPBAP) Takalar. RNA / DNA ratio analysis was carried out at the Laboratory of Chemical Physics Testing of BPBAP Takalar. The research design used a completely randomized design (CRD). The results showed that giving vitamin C to rotifers and brine shrimp increased the content of rotifers, brine shrimp and crab larvae. Giving vitamin C to rotifers and artemia to larvae of zoea stadia crabs can increase survival, metamorphosis speed and stress resistance of crab larvae and the best dose of vitamin C 250 ppm in the maintenance of zoea stadia crab larvae.

scholarly journals Nutrient and inorganic solute (Na+ and Cl-) content in green onion plants under hydroponic cultivation using brackish water

2020 ◽  
Vol 44 ◽  
Author(s):  
Carlos Donato da Silva Souza ◽  
Geronimo Ferreira da Silva ◽  
Sirleide Maria de Menezes ◽  
José Edson Florentino de Morais ◽  
José Amilton Santos Júnior ◽  
...  
Keyword(s):  
Nutrient Solution ◽  
Brackish Water ◽  
Hydroponic System ◽  
Brackish Waters ◽  
Randomized Design ◽  
Hydroponic Cultivation ◽  
Salinity Levels ◽  
Completely Randomized Design ◽  
Harmful Effects ◽  
Different Levels

ABSTRACT Cultivation using brackish waters can result in nutritional and metabolic imbalances in several plant species, consequently reducing the production of dry matter (DM) and accumulation of toxic ions (Na+ and/or Cl-) in plants. We evaluated the DM production, and nutrient and inorganic solute (Na+ and Cl-) content in green onion plants (cv. Todo Ano Evergreen - Nebuka) under different levels of nutrient solution salinity in combination with circulation frequencies of this solution. Two experiments were conducted in a hydroponic system, using a completely randomized design, in a 6 × 2 factorial scheme, with five replicates: six levels of nutrient solution salinity (1.5, 3.0, 4.5, 6.0, 7.5, and 9.0 dS m-1) and two solution circulation frequencies (twice and thrice a day). In Experiment I, the evapotranspired depth was replaced using brackish water that was used to prepare each of the salinity levels (used exclusively), whereas in Experiment II, brackish water was used only to prepare each of the salinity levels and public water was used (electrical conductivity [ECw] = 0.12 dS m-1) for replacement in all treatments. The increase in the nutrient solution salinity reduced the production of DM and accumulation of nutrients; the reductions were more pronounced when brackish waters were used exclusively (Experiment I). However, the circulation of solutions thrice a day resulted in the harmful effects of the salinity effect. Replacing the evapotranspirated blade with water supply (Experiment II) mitigated the deleterious effects of salinity. Moreover, three circulations of the nutrient solution daily resulted in lower accumulation of inorganic Na+ and Cl- solutes and increased accumulation of nutrients N, P, K+, Ca2+, Mg2+, and S in the culture.

scholarly journals Production of Bambusa vulgaris seedlings from rhizomes under brackish water irrigation

2020 ◽  
Vol 24 (5) ◽  
pp. 337-342
Author(s):  
Lourenço M. C. Branco ◽  
Claudivan F. de Lacerda ◽  
Albanise B. Marinho ◽  
Carlos H. C. de Sousa ◽  
Amanda S. F. Calvet ◽  
...  
Keyword(s):  
Gas Exchange ◽  
Brackish Water ◽  
Dry Matter ◽  
Leaf Gas Exchange ◽  
Photosynthesis Rate ◽  
Seedling Production ◽  
Randomized Design ◽  
Bambusa Vulgaris ◽  
Completely Randomized Design

ABSTRACT The objective of this study was to evaluate the influence of irrigation with brackish water on the production of bamboo seedlings (Bambusa vulgaris). The experiment was carried out at the Fazenda Experimental Piroás, in the municipality of Redenção, CE, Brazil (4° 14’ 53” S, 38° 45’ 10” W, and altitude of 230 m), in a completely randomized design with five treatments and six repetitions. The treatments consisted of five irrigation water electrical conductivity (ECw): 0.5 (control); 1.5; 2.5; 3.5 and 4.5 dS m-1. At 120 days after the beginning of the application of the treatments the leaf gas exchange, relative chlorophyll index (RCI), plant height (H), shoot dry matter (SDM), H/SDM ratio, and the concentrations of Na+ and K+ in stems and leaves were evaluated. Salt tolerance indexes were calculated based on SDM, H, photosynthesis rate and RCI. The increase in the ECw reduced leaf gas exchange, and the reduction in the photosynthesis rate was caused by stomatal and non-stomatal effects. The salinity affected negatively the growth and quality of bamboo seedlings, with the greatest effects being with ECw equal to or greater than 2.5 dS m-1. Bamboo seedlings present Na+ retention in the stems and low Na+/K+ ratio in the leaves. Bamboo seedlings are tolerant to salinity up to 1.5 dS m-1, indicating that waters with this salinity can be used for seedling production of this species, without loss of growth and quality.

scholarly journals PENGARUH SUBSTITUSI TEPUNG IKAN DENGAN TEPUNG KEPALA IKAN PATIN (Pangasius sp) TERHADAP PERTUMBUHAN IKAN LELE SANGKURIANG (Clarias sp)

2018 ◽  
Vol 6 (2) ◽  
pp. 129-140
Author(s):  
Yesica Manullang ◽  
Limin Santoso ◽  
Tarsim .
Keyword(s):  
Growth Rate ◽  
Fish Meal ◽  
Daily Growth Rate ◽  
Daily Growth ◽  
Protein Retention ◽  
Weight Growth ◽  
Randomized Design ◽  
Absolute Growth ◽  
Completely Randomized Design ◽  
Difference Test

ABSTRACTThe research was conducted at the Aquaculture Laboratory, University of Lampung in May to July,  2018. The aim of this study is to determine the effect of substitution of fish meal with catfish head flour on the growth of catfish, and head flour dosage the best for catfish growth. The study used a Completely Randomized Design with 3 treatments and 3 replications A (100% fish meal), B (70% fish meal and 30% catfish flour), and C (40% fish meal and 60% catfish flour). Parameters observed included absolute growth, daily growth rate, protein retention, feed convertion ratio (FCR), survival rate (SR), and supporting parameters that is feed cost and water quality. The data obtained were analyzed by variance and continued with smallest real difference test with a 95% confidence level. The results showed that the proportion of catfish head flour in artificial feed had an effect on absolute weight growth and daily growth rate (P, 0.001). The proportion of the use of 30% starch in the feed of catfish has a real influence on absolute growth (40.25 ± 5.67 g), and daily growth rate (0.67 ± 0.09 g/day).Keywords : Catfish, catfish head waste, substitution, feed, growth

scholarly journals Produktivitas Rumput Hamil (Panicum maximum cv Hamil) yang Ditanam Menggunakan Benih Berbeda

2021 ◽  
Vol 26 (3) ◽  
pp. 444-449
Author(s):  
Ahmad Fanindi ◽  
Endang Sutedi ◽  
Harmini Harmini
Keyword(s):  
Reproductive Traits ◽  
Morphological Characters ◽  
Selection Method ◽  
Panicum Maximum ◽  
Plant Materials ◽  
Randomized Design ◽  
Different Types ◽  
Completely Randomized Design ◽  
The Difference ◽  
Generative Phase

Reproductive traits determine the selection method in plant breeding. The benggala grass of the Hamil cultivar was thought to be apomictic; thus, a study was conducted to determine its reproduction. The research began by studying the morphological characters, continued with observing the generative phase and seed production of the cultivar planted from seeds (generative) and from pols (vegetative). The experiment was conducted in the greenhouse of the Research Institute of Animal Production. The experimental design was a completely randomized design with ten replications, and the treatments were different types of plant materials: seeds and pols. The Hamil cultivar taken from RIAP Collection was planted in pots with a diameter of 40 cm and a height of 30 cm. The results showed that most of the morphological characters of the Hamil cultivar planted from seeds and from pols were not different (P >0.05), so it was presumed that they were apomictic. The difference in morphology was only in the length and width of the flag leaves and the length of the internodes, where the cultivars planted using seeds were higher. The production of seeds, pithy seed weight, and seed germination of cultivars planted using seeds were higher (P <0.05). Further research is needed to determine the apomixis properties based on cytologically Hamil cultivars.   Keywords: apomixis, benggala grass, morphology, plnting material; seed

Sign in / Sign up

Export Citation Format

Share Document