Utilization of Trash Fish for Cultivation of Crablet Mud Crab (Scylla serrata)

The high demand for mud crabs in North Kalimantan causes catch to increase in the wild. If it is not balanced with efforts to increase its aquaculture of mud crab, in the future there will be a decline in population. This study aims to determine the growth and survival rate of mud crab seed (crablet, Scylla serrata) in the application method of different types of trash fish. This research used a completely randomized design with 4 treatments and 3 replications. The Crablet used carapace width average 0.07-0.09 cm and weigh average 0.05-0.07 g with total 150 crablets. The treatments applied by trash fish were (A) Tilapia Fish (Oreochromis mossambicus), (B) Longfin Herrings Fish (Ilisha elongata), (C) Sword Fish (Trichiurus lepturus) and (D) Snails (Telescopium telescopium). The results were The best weight growth of crablet occurs in the treatment of T. lepturus (P>0.05) and the highest of survival rates of crablet were found in treatment T. telescopium (P<0.05) than the other. The trash fish were used turned out to be able survival of crablet mud crab (Scylla serrata).

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Effects of different temperatures on the growth and survival of mud crab (Scylla paramamosain) larvae

Can Tho University Journal of Science ◽

10.22144/ctu.jen.2021.035 ◽

2021 ◽

Vol 13 (3) ◽

pp. 9-16

Author(s):

Thanh Phuong Nguyen ◽

Tinh Em Nguyen ◽

Thi Kim Ha Nguyen ◽

Quoc Viet Le ◽

Thi Thanh Huong Do

Keyword(s):

Carapace Width ◽

Survival Rates ◽

Stocking Density ◽

Scylla Paramamosain ◽

Mud Crab ◽

Growth And Survival ◽

Randomized Design ◽

Different Temperatures ◽

Temperature Levels ◽

Two Stages

This study aimed to evaluate the effects of temperature on the growth and survival of mud crab (Scylla paramamosain) larvae in two stages including zoea-1 to megalopa (the first experiment) and megalopa to crablet-1 (the second experiment). Each experiment was conducted in a completely randomized design with four temperature levels (27, 30, 33, and 36℃) in triplicate. Stocking density of 200 ind./L for the first experiment and 4 ind./L for the second experiment. Fiberglass tanks of 500-L (containing 300-L and 250-L of 25‰ water for the first and second experiment, respectively) were used in the experiments. The results showed that S. paramamosain larvae at zoea-3 and zoea-4 died at 33℃ or above, while the highest survival rate of this stage was found at 27℃ (11.5%). The growth and larval stage index during the zoea to megalopa stage were significantly higher in 30℃ (p<0.05) compared to those in the 27℃ treatment. In the second experiment, the survival rates of crablet-1 were highest (72.9%) at 27℃ and lowest (34,7%) at 36℃. The growth rate of crablets at this stage increased with increased temperature. The highest carapace width and weight (3.41 mm and 0.030 g, respectively) were recorded at 36℃. The findings of this study suggested that mud crab larvae should be reared at the temperature range of 27-30℃ to maximize their production.

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ANALISIS EFISIENSI EKONOMI DAN PRODUKSI KEPITING BAKAU (Scylla serrata) DALAM KARAMBA

Jurnal AGRISEP Kajian Masalah Sosial Ekonomi Pertanian dan Agribisnis ◽

10.31186/jagrisep.3.1.181-188 ◽

2006 ◽

Vol 3 (1) ◽

pp. 181-188

Author(s):

Zamdial Ta'aladin

Keyword(s):

Economic Efficiency ◽

High Weight ◽

Cell System ◽

Scylla Serrata ◽

Mud Crab ◽

Length Growth ◽

Weight Growth ◽

Randomized Design ◽

Completely Randomized Design ◽

Mud Crabs

The objective of this research was to analyisis of economic efficiency, production of Muds Crab that reared in bambbo cage and to determine of density and bamboo cage design that suffable for rearing of Mud Crab(Scylla serrata).Research was used the Factorial Completely Randomized Design with the dffferent treatement consist of density and bamboo cage construction. Size of bamboo cage are 2 x 2 x 0,5 m. The rearing periode of Mud Crabs are 45 days wffh observation and measurement of weight and length growth in each 15 days. For determine of teratement of density and bamboo cage construction on the Mud Crabs production used the statistical test, while the economic analysis was using BlC ratio investement criteria. The P1 ancJ P2 treatement showed the response of high weight growth and signiflCBl1t with Pl The cell system bamboo cage showed the respon~ of high weight growth and Significant from the boxs system bamboo cage. For the length growth, P1 highly and significant from the others treatement. The BlC ratio analysisi showed that P3 treatement both the cell and boxes system bamboo cage showed the better result, while theP3 BIG ratio value of cell system bamboo cage is highly in compare with the boxes system bamboo cage. Key words :Economic efficiency, production, muds crub, bamboo cage

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Growth and survival of Mud Crab, Scylla serrata, reared in bottom and floating cages within Mida Creek mangroves, coastal Kenya

Aquatic Ecosystem Health & Management ◽

10.14321/aehm.024.01.06 ◽

2021 ◽

Vol 24 (1) ◽

pp. 27-34

Author(s):

James M. Mwaluma ◽

Boaz Kaunda-Arara

Keyword(s):

Survival Rates ◽

Total Weight ◽

Scylla Serrata ◽

Production Cycle ◽

Mud Crab ◽

Growth And Survival ◽

Culture Techniques ◽

Male Crab ◽

Significant Difference ◽

Mud Crabs

Abstract Mud Crab fattening is a relatively new business idea in Kenya and is highly lucrative due to the reasonable prices offered at tourist hotels. This study was aimed at developing appropriate culture techniques for Mud Crabs to maximize harvestable biomass by the local communities and avoid recruitment overfishing. Growth and survival rates for mixed sex Mud Crabs was investigated for a period of 230 days in Mida Creek, Kenya, using bottom and floating cages, and two feed types in a crab fattening experiment. Crabs attained harvestable weight by the third month for both floating (466.2 ± 137 g) and bottom cages (542.2 ± 109.3 g). There was no significant difference in mean total weight of mixed-sex crabs in the two culture systems (t = 1.75, p>0.05), however males showed significantly higher total weight gain compared to females. A higher overall survival rate was found for crabs cultured in floating cages (63.8%), compared to bottom cages (44.9%). There was no significant difference in growth performance between crabs fed gastropod tissues and those fed fish offal. The long-term specific growth rate for floating cages (0.69 g d-1) was not significantly different from that of bottom cages (0.92 g d-1). An analysis of potential return on investment showed the floating cages to be more profitable per production cycle compared to the bottom ones. The floating cage system and mono-sex male crab culture are recommended to farmers within mangrove tidal flats in Kenya.

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Substitution of natural feed with artificial feed on the survival rate and growth rate of giant-snakehead Channa micropeltes

Jurnal Akuakultur Indonesia ◽

10.19027/jai.20.2.174-180 ◽

2021 ◽

Vol 20 (2) ◽

pp. 174-180

Author(s):

Sarmila ◽

Susilawati Susilawati ◽

Sri Warastuti

Keyword(s):

Growth Rate ◽

Survival Rate ◽

Specific Growth ◽

Control Treatment ◽

Growth And Survival ◽

Weight Growth ◽

Randomized Design ◽

Trash Fish ◽

Completely Randomized Design ◽

And Control

The purpose of this study was to determine the best percentage of artificial feed substitution for growth and survival rate of giant-snakehead. This study used a completely randomized design (CRD) with 4 levels of artificial feed substitution dose treatment, namely 25%, 50%, 75%, 100%, and control (without artificial substitution). The feed used in the form of fresh trash fish mixed with artificial feed FF-999 with a protein content of 35%. The results showed that the control treatment (100% trash fish) gave the best survival rate and spesific growth rate of 75% and 2.12%/day, respectively. Meanwhile, the percentage of artificial feed substitution treatment which gave the best survival rate and specific growth rate was found in the substitution percentage treatment of 25% artificial feed with a survival rate of 66.67% and a daily weight growth rate of 1.89%/day. Substitution of 100% artificial feed caused death with a 0% survival rate. Keywords: artificial feed, feed substitution, giant-snakehead, survival rate, growth ABSTRAK Penelitian ini bertujuan menentukan persentase substitusi pakan buatan yang terbaik untuk laju pertumbuhan, dan tingkat kelangsungan hidup ikan toman. Penelitian ini menggunakan rancangan acak lengkap (RAL) dengan perlakuan 4 level dosis substitusi pakan buatan yaitu 25%, 50%, 75% dan 100% serta 1 kontrol (tanpa substitusi pakan buatan). Pakan yang digunakan berupa ikan rucah segar dicampur dengan pakan buatan berupa pellet dengan merk FF-999 berkadar protein 35%. Hasil penelitian menunjukkan bahwa perlakuan kontrol (100% ikan rucah) memberikan tingkat kelangsungan hidup dan laju pertumbuhan berat harian terbaik masing-masing sebesar 75% dan 2.12%/hari. Sementara untuk perlakuan persentase substitusi pakan buatan yang memberikan tingkat kelangsungan hidup dan laju pertumbuhan terbaik terdapat pada perlakuan persentase substitusi sebesar 25% pakan buatan dengan tingkat kelangsungan hidup 66.67% dan laju pertumbuhan berat harian 1.89%/hari. Substitusi 100% pakan buatan menyebabkan kematian dengan tingkat kelangsungan hidup 0%. Kata kunci: ikan toman, kelangsungan hidup, laju pertumbuhan, pakan buatan, substitusi pakan.

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Administration of Probiotic sanolife Mic-S on Biological Performance of Vanamei Shrimp (Litopenaeus vannamei) PL 10

Technium: Romanian Journal of Applied Sciences and Technology ◽

10.47577/technium.v3i8.4581 ◽

2021 ◽

Vol 3 (8) ◽

pp. 42-57

Author(s):

Hasim Hasim ◽

Nadia Baidi ◽

Syamsuddin Syamsuddin ◽

Rully Tuiyo

Keyword(s):

Feed Efficiency ◽

Economic Value ◽

Feed Conversion ◽

Shrimp Culture ◽

Growth And Survival ◽

Crude Fiber Content ◽

Weight Growth ◽

Randomized Design ◽

Biological Performance ◽

Different Doses

Vannamei shrimp is a fishery commodity that has important economic value for Indonesia. This is indicated by the increasing number and value of exports of this commodity. One of the efforts to encourage the production of vaname shrimp is through the use of probiotics. sanolife-MIC is a probiotic widely used in shrimp culture. The aim of the study was to analyze the feed profile and biological performance of Vaname PL 10 shrimp fed pellets with the Sanolife MIC-S probiotic capsule at different doses. The research method used is an experimental method using a completely randomized design (CRD) with four treatments (A: probiotic 0 gr/kg feed; B: probiotic 10 gr/kg feed; C: probiotic 12 gr/kg feed; D: probiotic 14 g/kg feed) and three replicates. What was tested in the study were probiotic profile tests, growth, feed efficiency and feed conversion. The data obtained were analyzed using ANOVA. The results showed that the feed profile that was encapsulated using sanolife MIC-S, the protein value, moisture content and ash content for the feed were shown by treatment B. The best fat content was treatment C. The best crude fiber content was treatment D. Weight growth rate, ratio The best feed conversion and feed efficiency was shown by treatment B, while the length growth and survival was indicated by treatment C.

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NURSERY TECHNIQUES WITH JUVENILE CORAL TROUT, Plectropomus leopardus WITH DIFFERENT TYPES OF FOOD

Jurnal Ilmu dan Teknologi Kelautan Tropis ◽

10.29244/jitkt.v6i2.9013 ◽

2015 ◽

Vol 6 (2) ◽

Author(s):

Anak Agung Alit ◽

Ketut Maha Setiawati ◽

Tony Setia Dharma

Keyword(s):

Sea Water ◽

Survival Rates ◽

Critical Factor ◽

Water Volume ◽

Design Data ◽

Feeding Method ◽

Growth And Survival ◽

Coral Trout ◽

Juvenile Coral ◽

Trash Fish

ABSTRACT Feed management is a critical factor in the nursery activities because food serves as an energy for growth and survival rates. The study aimed to determine the best feeding to improve growth and survival rates. Cultured of coral trout grouper seeds were used for this research in 9 fiber tubs each of 0.8 tonnes of sea water volume with 3 treatments and 3 replicates. The feeding treatments were (a) commercial feeding pelle; (b) trash fish; and (c) feeding combinations (50% pellets and 50% trash fish). The initial length of coral trout grouper seeds were 3 cm long. The pellet used was a commercial pellet with dose of 5-10% biomass, while the trash fish was clupeid fish. Feeding times were twice a daya at 08:00 and 16:00 local time. A complete random design was used as an experiment design. Data was analysed using ANOVA and descriptive statistics. Water qualities during larva rearing included water temperature, pH, salinity, DO, ammonia, nitrite, and phosphate. The results showed that growth dan survical rates was significantly affected by combination feeding method (50% pellet and 50% trash fish) with growth rate of 0.08% cm/day and survival rate of 60.20±2.34%. Keywords: Feed, trash fish, juvenile coral trout grouper, growth, and survival.

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POLA GERAKAN STADIA UMUR KEPITING BAKAU (Scylla serrata) DALAM MERESPON MAKANAN YANG BERBEDA (SKALA LABORATORIUM) The Model Movement of Mud Crab’s Life Stage (Scylla serrata) in Responds to Different Food (Laboratory Scale)

SAINTEK PERIKANAN Indonesian Journal of Fisheries Science and Technology ◽

10.14710/ijfst.12.1.1-6 ◽

2017 ◽

Vol 12 (1) ◽

pp. 1

Author(s):

Fahresa Nugraheni Supadminingsih ◽

Aristi Dian Purnama Fitri ◽

Asriyanto Asriyanto

Keyword(s):

Life Stage ◽

Carapace Width ◽

Scylla Serrata ◽

Mud Crab ◽

Food Factor ◽

Fresh Food ◽

Experimental Laboratory ◽

Materials Used ◽

Food Model ◽

Food Laboratory

ABSTRAK Kepiting bakau merupakan salah satu jenis crustacea yang daur hidupnya memiliki beberapa tahapan tingkatan umur berdasarkan lebar karapas. Habitat kepiting bakau terdapat di perairan estuari hingga laut dengan kebiasaan hidup yang berbeda, terutama dalam mencari makanan dan habitat tiap stadia. Penelitian ini bertujuan untuk mengetahui pola tingkah laku kepiting bakau pada stadia umur yang berbeda terhadap makanan. Materi penelitian adalah kelompok umur kepiting muda (lebar karapas 8 cm) dan dewasa (lebar karapas 11 cm) serta jenis makanan berupa makanan kepala ayam, ikan petek dan keong mas yang ketiganya dalam keadaan segar. Metode penelitian menggunakan eksperimen skala laboratorium dengan 2 variabel umur dan makanan dengan 6 perlakuan secara deskriptif. Hasil penelitian mengindikasikan terdapat 2 pola gerakan pola tingkah laku dimana kepiting dewasa memberikan respon langsung, sedangkan kepiting muda menunjukkan respon tidak langsung terhadap makanan. Kata kunci: Tingkah Laku, Makanan, Pola Gerakan, Umur, Kepiting Bakau ABSTRACT The Mud Crab’s is one of crustaceans species that their life circle have some stage based on carapas length. The Mud crab’s live in differences behavior between estuarine trought deep sea, mostly in the feeding behavior in the different life stage. The purpose of this study is to know the model movement between life stage factor towards food factor. The materials used in this research are sub-adult (carapace width 8 cm) and adult (carapce 11 cm) mud crab and the types of fresh food in the form of chicken’s head, leiognathus fish, and golden snail. The methods used in this reasearch are experimental laboratory with two variables: the types of bait and life stage with six treatments. The result shows that the adult crab’s movement give the direct responses, but the subadult crab give the indirect responses to the food. Keywords: Fish behaviour, food, model Movement, Life stage, Mud crab

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The Use of Different Deacetylation Temperature Toward Quality of Chitosan Mud Crab Shell (Scylla serrata)

IOP Conference Series Earth and Environmental Science ◽

10.1088/1755-1315/934/1/012092 ◽

2021 ◽

Vol 934 (1) ◽

pp. 012092

Author(s):

R Karnila ◽

S Loekman ◽

S Humairah

Keyword(s):

Moisture Content ◽

Ash Content ◽

Scylla Serrata ◽

Crab Shell ◽

Mud Crab ◽

Degree Of Deacetylation ◽

Randomized Design ◽

Chitin And Chitosan ◽

Two Stages

Abstract This research aims to determine the chemical composition (proximate) of chitosan and chitin, The best deacetylation temperature for obtaining chitosan, and the yield of chitosan and chitin from mud crab. This research was conducted in two stages, that is: 1) Preparation of mud crab flour and 2) Extraction and analysis of chitin and chitosan. The experimental design used for chitosan isolation was Completely Randomized Design (CRD). The process of deacetylation chitin becomes chitosan by using 50% NaOH with varying heating temperatures (120, 130, and 140°C). Parameters observed were yield, moisture content, ash content, and degrees of deacetylation. The result showed that the best chitosan was obtained by chitin deacetylation process into chitosan using a temperature of 130°C (KO2). Characteristics quality of the chitosan mud crab shell produced are KO1: yield 61.00%, moisture content 6.47%, ash content 17.18% (db), and degree of deacetylation 49.63%. KO2: yield 59.94%, moisture content 6.48%, ash content 14.85% (db) with degree of deacetylation 51.13%. KO3: yield 53,97, moisture content 6.54%, ash content 14.66% (db) and degree of deacetylation 52.63%. Characteristic quality of chitin included yield was 27.81%, moisture content 7.29%, ash 44.05%, and degree of deacetylation 33.09%.

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NURSERY TECHNIQUES WITH JUVENILE CORAL TROUT, Plectropomus leopardus WITH DIFFERENT TYPES OF FOOD

Jurnal Ilmu dan Teknologi Kelautan Tropis ◽

10.28930/jitkt.v6i2.9013 ◽

2015 ◽

Vol 6 (2) ◽

Author(s):

Anak Agung Alit ◽

Ketut Maha Setiawati ◽

Tony Setia Dharma

Keyword(s):

Sea Water ◽

Survival Rates ◽

Critical Factor ◽

Feeding Time ◽

Design Data ◽

Feeding Method ◽

Growth And Survival ◽

Coral Trout ◽

Juvenile Coral ◽

Trash Fish

ABSTRACT Feed management is a critical factor in the nursery activities because food serves as an energy for growth and survival rates. The study aimed to determine the best feeding to improve growth and survival rates. Cultured of coral trout grouper seeds were used for this research in 9 fiber tubs each of 0.8 tonnes of sea water volume with 3 treatments and 3 replicates. The feeding treatments were (a) commercial feeding pelle; (b) trash fish; and (c) feeding combinations (50% pellets and 50% trash fish). The initial length of coral trout grouper seeds were 3 cm long. The pellet used was a commercial pellet with dose of 5-10% biomass, while the trash fish was clupeid fish. Feeding times were twice a daya at 08:00 and 16:00 local time. A complete random design was used as an experiment design. Data was analysed using ANOVA and descriptive statistics. Water qualities during larva rearing included water temperature, pH, salinity, DO, ammonia, nitrite, and phosphate. The results showed that growth dan survical rates was significantly affected by combination feeding method (50% pellet and 50% trash fish) with growth rate of 0.08% cm/day and survival rate of 60.20±2.34%. Keywords: Feed, trash fish, juvenile coral trout grouper, growth, and survival.

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Pertumbuhan dan Sintasan Juvenil Teripang Pasir Holothuria scabra pada Pemeliharaan Dengan dan Tanpa Rumput Laut Gracilaria sp., Menggunakan Keramba Apung dan Tancap di Tambak

Oseanologi dan Limnologi di Indonesia ◽

10.14203/oldi.2020.v5i3.340 ◽

2020 ◽

Vol 5 (3) ◽

pp. 199

Author(s):

Dedy Kurnianto ◽

Lisa Fajar Indriana ◽

Abdul Wahab ◽

Syafriyadi Hafid ◽

Balkam Fadlan Badi

Keyword(s):

Water Quality ◽

Growth Rate ◽

Quality Parameters ◽

Raw Material ◽

Growth And Survival ◽

Randomized Design ◽

Significant Difference ◽

In The Wild ◽

Completely Randomized Design ◽

Increment Growth

Growth and Survival of Sandfish Holothuriascabra Juveniles Grown with and without Seaweed Gracilaria sp., using Floating and Fixed Hapas in Earthen Pond. Holothuriascabra known as sandfish have long been used for pharmaceutical, cosmetic, and food industries.Juveniles production is one of the ways to address the problem of raw material availability due to declining sandfish population in the wild. This research aimed to determine growth performance and survival of sandfish juveniles reared with and without seaweed Gracilaria sp. using floating and fixed hapas in earthen pond. The research was conducted from May to September 2014. A completely randomized design was used to arrange 12 hapas of four treatments groups with three replicates including floating hapas without Gracilaria sp. (ATR), floating hapas with Gracilariasp. (ADR), fixed hapas without Gracilaria sp. (TTR) and fixed hapas with Gracilaria sp. (TDR). Some parameters was observed includingweight increment, Growth Rate (GR),Specific Growth Rate(SGR), Biomass, Survival, and Water Quality. The result showed that GR and SGR were not significantlydifferent among treatments (P>0.05). Survial and Biomass showed significant difference among treatments (P <0.05). ATR has the highest GR, SGR, survival, dan biomass whereas TDR has the lowest GR, SGR, survival, dan biomass. Water quality parameters were in optimal range for sandfish rearing. AddedGracilaria sp.tend to inhibitGR, SGR, survival, dan biomass.

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