scholarly journals Biofloc technology on the intensive aquaculture of bronze corydoras ornamental fish Corydoras aeneus with different stocking densities

2019 ◽  
Vol 18 (2) ◽  
pp. 202-213
Author(s):  
Iis Diatin ◽  
Muhammad Agus Suprayudi ◽  
Tatag Budiardi ◽  
Enang Harris ◽  
Widanarni Widanarni
Keyword(s):  
Growth Rate ◽  
Survival Rate ◽  
Design Method ◽  
Stocking Density ◽  
Ornamental Fish ◽  
Average Weight ◽  
Weight Growth ◽  
Randomized Design ◽  
Biofloc Technology ◽  
Intensive Aquaculture

ABSTRACT Ornamental fish is non consumption fish which is an important source of Indonesian foreign exchange. The objective of this study is to analyze the productivity of bronze corydoras Corydoras aeneus ornamental fish through increased stocking density with biofloc technology. The average weight of the experimental corydoras was 0.61 ‒0.72 g with 2.32‒2.40 cm standard length. This study used a randomized design method with biofloc technology treatment in 3000, 4500, and 6000 fish/m2 stocking densities. The results showed that the daily length and weight-growth rate among treatments were not significantly different (P>0.05), while survival rate and the number of fish production on all treatments were significantly different (P<0.05). The water quality during the rearing period, such as temperature, pH, alkalinity, ammonia, nitrite, and nitrate, were in a tolerable range for corydoras culture. The total suspended solids tended to be higher due to higher stocking density. The best productivity using biofloc technology obtained from 6000 fish/m2 stocking density. Keywords: Biofloc technology, Corydoras aeneus, growth rate, stocking density, survival rate. ABSTRAK Ikan hias merupakan produk perikanan non konsumsi yang menjadi sumber devisa Indonesia yang cukup penting. Penelitian ini bertujuan untuk menganalisis produktivitas ikan hias koridoras melalui peningkatan padat tebar dengan teknologi bioflok. Ikan yang digunakan adalah ikan hias koridoras (Corydoras aeneus) berbobot 0,61‒0,72 g dan panjang baku 2,32‒2,40 cm. Penelitian ini menggunakan rancangan acak lengkap dengan perlakuan teknologi bioflok pada padat tebar 3000, 4500, dan 6000 ekor/m2. Hasil penelitian menunjukkan bahwa laju pertumbuhan harian panjang dan bobot antar perlakuan tidak berbeda nyata (P>0,05), sedangkan kelangsungan hidup dan jumlah produksi ikan pada semua perlakuan berbeda nyata (P<0,05). Nilai kualitas air selama pemeliharaan yakni suhu, pH, alkalinitas, amonia, nitrit, dan nitrat yang berada pada kisaran yang cukup baik untuk budidaya ikan. Total padatan tersuspensi cenderung tinggi akibat dari semakin tinggi padat tebar. Produktivitas terbaik pada budidaya ikan koridoras dengan teknologi bioflok adalah pada padat tebar 6000 ekor/m2. Kata kunci:  Corydoras aeneus, kelangsungan hidup, padat tebar, pertumbuhan, teknologi bioflok 

scholarly journals The Effect of Different Doses of Boster Grotop in the Feed on the Growth and Survival Rate of Asian Redtail Catfish (Hemibagrus nemurus) Maintained in Peat Swamp Media

2021 ◽  
Vol 26 (1) ◽  
pp. 33
Author(s):  
Muchlisul Amal Jr ◽  
Niken Ayu Pamukas ◽  
Mulyadi Mulyadi
Keyword(s):  
Survival Rate ◽  
Design Method ◽  
Stocking Density ◽  
Feed Conversion ◽  
Growth And Survival ◽  
Weight Growth ◽  
Peat Swamp ◽  
Protease Enzyme ◽  
Randomized Design ◽  
Different Doses

This study aims to determine the effect of different doses of booster grotop in feed on the growth and survival of Asian Redtail (Hemibagrus nemurus) maintained in peat swamp media. This research was conducted from 27 March - 05 May 2020 at the Laboratory of Aquaculture Technology, Faculty of Fisheries and Marine, University of Riau. The container used was an aquarium measuring 60 cm x 40 cm x 40 cm as many as 15 units with a stocking density of 12 fish/60 L. This study used a completely randomized design method (CRD) one factor with five levels of treatment and three repetitions. The level of treatment applied in the study was P0 = without giving Boster Grotop (Control), P1 = dose of Boster Grotop 25 g/kg of feed, P2 = dose of Boster Grotop 30 g/kg of feed. P3 = dose of Boster Grotop 35 g/kg of feed and P4 = dose of Boster Grotop 40 g/kg of feed. The results showed that giving boster grotop with different doses in the feed had a significant effect (P<0.05) on growth but had no significant effect (P>0.05) on the survival rate of the Asian Redtail seeds. The best treatment was found at a boster grotop dose of 40 g/kg of feed, which produced protease enzyme activity (0.1731 IU/mL), total weight growth (5.11 g), total length growth (3.73 cm), specific growth rate (3.67%), feed efficiency (72.30%), feed conversion (1.38), survival rate (86.11%).

scholarly journals Laju Pertumbuhan Kerang Abalon Haliotis squamata Melalui Budidaya IMTA (Integrated Multi Trophic Aquaculture) di Pantai Geger, Nusa Dua, Kabupaten Badung, Provinsi Bali

2017 ◽  
Vol 4 (2) ◽  
pp. 253
Author(s):  
Heny Hayati ◽  
I Gusti Ngurah Putra Dirgayusa ◽  
Ni Luh Putu Ria Puspitha
Keyword(s):  
Growth Rate ◽  
Survival Rate ◽  
Physical Environment ◽  
Design Method ◽  
Stocking Density ◽  
Quality Parameters ◽  
Slow Growth Rate ◽  
Randomized Design ◽  
Treat Ment ◽  
Chemical Water

Abalone is an important non fishery commodity that has high potential value to be developed. Abalone culture still faces some problems, such as, relatively slow growth rate, low survival rate and causing environmental pollution. One of the efforts to tackle the problems, is applying the culture system that is environmental friendly, such as IMTA (Integrated Multitrophic Aquaculture). This research aims to identify the growth rate and survival rate of the abalone (Haliotis squamata) and the suitability of chemical and physical environment parameter supporting the integration culture of abalone and seaweed (Gracilaria sp) on different stocking density at Geger beach, Nusa Dua, Bali. This research was performed in 45 days using a complete randomized design method that consist of three treatments and three repetition. The result showed that the highet growth rate was on treat ment T3 which consisted of abalone (Haliotis squamata) 40 individu and 10 bunches of seaweed (Gracilaria sp) 100 grams weight/each individu (0.76%/day), then It followed by T2 treatment that was integrated with 10 bunches of seaweed 50 grams (0.71%/day). The lowest growth rate observed on treatment T1 (control/monoculture) which consisted of 40 individu abalone (Haliotis squamata) (0.59%/day). The highest survival rate found on treatment T2 (97.5%) and followed by treatment T1 as control (94.5%), while the lowest number was found on treatment T3 (83.3%). Physical chemical water quality parameters showed that It supported the growth of both, abalone (Haliotis squamata) and seaweed (Gracilaria sp.) at Geger Beach, Nusa Dua, Badung Regency, Bali Province.

scholarly journals ANALISIS PERTUMBUHAN DAN TINGKAT KELANGSUNGAN HIDUP IKAN NILA (Oreochromis niloticus) DENGAN PEMBERIAN PAKAN PELET DARI SUMBER YANG BERBEDA

2021 ◽  
Vol 46 (1) ◽  
pp. 89
Author(s):  
Elrifadah - Elrifadah
Keyword(s):  
Survival Rate ◽  
Nile Tilapia ◽  
Stocking Density ◽  
Average Weight ◽  
Average Yield ◽  
Feed Conversion ◽  
Growth And Survival ◽  
Randomized Design ◽  
Level 3 ◽  
Pellet Feed

This study was aim to determine the different pellet feed source on the growth and survival rate of Nile tilapia. The purpose of this research was to provide information of the best feed for the growth and survival rate of Nile tilapia.Completely Randomized Design, with 3 treatments ( treatment A: community-made pellet, treatment B: commercial pellet PF500; treatment C: commercial pellet 885) and 3 replicate was used for the research. Nile tilapia with 3-4 cm length placed in nine aquariums with stocking density 6 fishes/L. Feeding treatment given twice a day at level 3 %/ body weight.  The parameters observed include growth rates, survival, and feed conversion. Supporting data was observed for water quality. Observation was carried out for 30 days.The results showed that the average weight, in treatment A was 101,66 g, treatment B was 118.33 g, and treatment C was 128.33 g. The average yield of relative growth in treatment A was 111.44%, treatment B was 134.23%, and treatment C was 135.76%. Treatment C shows the highest value, then treatment B and treatment A. The average yield of feed conversion, treatment A was 1.11; treatment B 3.21; and treatment C was 3.37. Survival rate of all treatments was 100%.

PENGARUH EKSTRAK KASAR BUAH PALA MYRISTICA ARGENTEA TERHADAP PERTUMBUHAN IKAN KOI CYPRINUS CAPRIO

2021 ◽  
Vol 4 (1) ◽  
pp. 7-10
Author(s):  
Nuryanti Leko ◽  
Sutia Budi ◽  
Mardiana Mardiana ◽  
Dahlifa Dahlifa
Keyword(s):  
Growth Rate ◽  
Crude Extract ◽  
Research Method ◽  
Ornamental Fish ◽  
Good Effect ◽  
Length Growth ◽  
Weight Growth ◽  
Randomized Design ◽  
Test Parameters ◽  
Completely Randomized Design

Ikan koi di Indonesia merupakan ikan hias favorit dan banyak digemari masyarakat luas karena tubuhnya yang mempesona dan harganya relatif tidak terlalu mahal. Ikan koi sekarang ini masih menjadi salah satu komoditas perdagangan yang cukup baik dalam bidang perikanan. Tujuan dari penelitian ini adalah untuk mengetahui Pengaruh  Ekstrak Kasar Buah Pala Myristica Argentea  Terhadap Pertumbuhan Ikan Koi Cyprinus Caprio. Metode penelitian yang digunakan adalah Rancangan Acak Lengkap (RAL) ,dengan empat perlakuan dan tiga ulangan yaitu perlakuan A (Dosis 5% ekstrak kasar  buah pala), perlakuan B (Dosis 10% ekstrak kasar buah pala), perlakuan C (Dosis 15% ekstrak kasar buah pala) dan perlakuan D (   Dosis 0 % ekstrak kasar buah pala). Parameter uji berupa lajui pertumhuhan bobot dan pertumbuhan panjang. Hasil penelitian menunjukkan bahwa ekstrak Kasar Daging Buah Pala myristica argentea memberikan pengaruh yang baik terhadap pertumbuhan ikan ko setelah diberikan perlakuan.. Dosis yang baik untuk pertumbuhan berat dan panjang ikan koi ialah dosis  10% - 5%. Koi fish in Indonesia is a favorite ornamental fish and much-loved by the wider community because of its charming body and relatively inexpensive price. Koi fish is still one of the trade commodities that is quite good in the field of fisheries. The purpose of this study was to determine the Effect of Crude Extract of Nutmeg Myristica Argentea on the Growth of Cyprinus Caprio Koi Fish. The research method used was a completely randomized design (CRD), with four treatments and three replications, namely treatment A (5% dose of nutmeg crude extract), treatment B (10% dose of nutmeg crude extract), treatment C (15% dose of nutmeg extract). crude nutmeg) and treatment D (Dose of 0% crude extract of nutmeg). Test parameters in the form of weight growth rate and length growth. The results showed that the crude extract of the Nutmeg myristica argentea had a good effect on the growth of koi fish after being given treatment. A good dose for the growth of weight and length of koi fish is a dose of 10% - 5%

scholarly journals Growth performance of siamese gourami Trichopodus pectoralis seed with different stocking density to optimize production capacity: optimum temperature and salinity application

2018 ◽  
Vol 47 ◽  
pp. 02007
Author(s):  
Lies Setijaningsih ◽  
Dewi Puspaningsih ◽  
Imam Taufik
Keyword(s):  
Growth Rate ◽  
Survival Rate ◽  
Specific Growth Rate ◽  
Growth Performance ◽  
Specific Growth ◽  
Production Capacity ◽  
Stocking Density ◽  
Optimum Temperature ◽  
Slow Growth Rate ◽  
Randomized Design

Fulfill needs of Siamese gourami still rely on the catch from nature, so the population in nature has become decreased. The increase of Siamese gourami fish production from culture is still constrained by the survival rate and slow growth rate in the seed phase. The purpose of this research was to determine the effect of Siamese gourami stocking density on the application of optimum temperature and salinity to growth performance for optimization of production capacity. Application of optimum temperature and salinity refers to the results of previous research, i.e., temperature of 28 °C and salinity 3 ‰. Siamese gourami seed with length of 2.96 ± 0.42 cm and weight of 5.27 ± 0.10 g used in the research. The experimental design used completely randomized design with four treatments, i.e. 1 fish L-1, 2 fish L-1, 3 fish L-1 and 4 fish L-1. The results showed that there were an effect of different stocking density on absolute growth weight and length, survival rate, specific growth rate and productivity. This is shown in the C treatment which growth was 4.95 ± 0.037 g, length 3.51 ± 0.01 cm, survival rate 93.47%, specific growth rate 1.22% and fish productivity of 625.76 g.

scholarly journals Effect of Different Stocking Densities on the Growth and Survival Rate of Tilapia (Oreochromis niloticus) Seeds in Batur Lake Floating Net Cages

2021 ◽  
Vol 5 (2) ◽  
pp. 50
Author(s):  
Hikmah Nurazizah ◽  
I Wayan Arthana ◽  
Gde Raka Anggara Kartika
Keyword(s):  
Water Quality ◽  
Survival Rate ◽  
Design Method ◽  
Stocking Density ◽  
Fish Farming ◽  
Quality Parameters ◽  
Feed Conversion ◽  
Growth And Survival ◽  
Randomized Design ◽  
Net Cages

Stocking density is an important factor in cultivation, it can save land use, and increase the efficiency of fish farming. The purpose of this research was to determine the different density information on tilapia seeds measuring 2-3 cm as an alternative to using tilapia (O. niloticus) seeds 7-9 cm in size so that they can be developed in Batur Lake. The research was conducted in January - March 2020 in the floating net cages in Trunyan Kintamani village, Bangli, Bali. The research used a completely randomized design method with three treatments and three repetitions. The Tilapia seeds used are 2-3 cm with different stocking densities, 100 ind/m3, 150 ind/m3, and 200 ind/m3. The parameters observed were SGR (Specific Growth Rate), absolute growth, SR (Survival Rate), FCR (Feed Conversion Ratio), and water quality including temperature, DO, pH, TDS. The results of this study indicated that stocking density did not have a significant effect on the growth and survival rate of tilapia seeds, because the temperature was too cold so that the tilapia seeds failed to adapt properly at the beginning of stocking and the physiological conditions of the fish were disturbed so that the fish experienced stress and went to died. Water quality parameters measured include temperature with a range value of 25.86-25.880C, pH with a range value of 9.08-9.13, DO (Dissolved oxygen) with a range value of 7.9-8 mg/L, and TDS (Dissolved solids) with a range value of 1040.25-1041.58 mg/L.

scholarly journals Pengaruh Pemberian Kapur Pada Air Gambut Terhadap Kelangsungan Hidup Dan Pertumbuhan Benih Ikan Gabus (Channa striata)

2021 ◽  
Vol 6 (1) ◽  
pp. 19
Author(s):  
Shinta S Monalisa ◽  
Maryani Maryani ◽  
Kamisa Rumapea
Keyword(s):  
Growth Rate ◽  
Survival Rate ◽  
Specific Growth Rate ◽  
Specific Growth ◽  
Feed Conversion ◽  
Weight Growth ◽  
Randomized Design ◽  
Channa Striata ◽  
Completely Randomized Design ◽  
Specific Growth Rates

This research was conducted to determine the effect of giving different lime on the survival rate and growth of snack head seeds. This writing uses a completely randomized design (CRD) with 4 treatments and 3 replications. The hypothesis being tested was that the application of the limed lime had no significant effect on survival rate, the growth of snack head seed and the specific growth rate and lime administration differed significantly in feed conversion. The study was conducted at the Wet Aquaculture Laboratory, Palangka Raya University starting from February 3 - March 3, 2020. The results showed that the administration of different lime had no significant effect on survival rate, growth and specific growth rates but had a significant effect on feed conversion. The best survival rate of snack head seeds is in treatment D (250 g) that is equal to 57.73%, the best weight growth is in treatment C (200 G) that is equal to 3.16 grams, the best length growth is in treatment D (250 g) that is 2.57 cm, the best specific growth rate is in treatment D (250 g) which is 2.92% / day, and the best feed conversion value is in treatment D (250 g) which is 1.47%. Water quality such as temperature, acidity (pH) and dissolved oxygen (DO) are still in the normal range.

scholarly journals EVALUASI PERTUMBUHAN BENIH PATIN (Pangasius hypophthalmus) YANG DIBERI PAKAN TAMBAHAN CACING SUTRA (Tubifex sp.)

2019 ◽  
Vol 6 (2) ◽  
pp. 77
Author(s):  
Dini Islama ◽  
Nurul Najmi
Keyword(s):  
Growth Rate ◽  
Survival Rate ◽  
Stocking Density ◽  
Fish Farming ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Culture Period ◽  
Feed Conversion ◽  
Randomized Design ◽  
Completely Randomized Design

This study aimed to evaluate of patin seed (Pangasius hypothalamus) that is given Tubifex sp. as additional feed. The experiment design was used  completely randomized design with four treatments and four replications. The treatments studied were 100 % pellet without the addition of Tubifex sp. (A), 95 % pellet with the addition of  Tubifex sp. 5 % (B), 90 % pellet with the addition of  Tubifex sp. 10 % (C) and 85 % pellet with the addition of  Tubifex sp. 15 % (D). Patin seed stocking density was 1 individu/l with the length of  3-4 cm and weight of  0,15-0,28 g. The culture period for one cycle of fish farming was 40 days. The ANOVA test showed commercial feeding with the addition of Tubifex sp. as additional feed gave the significant effect on the specific of growth rate, length and feed conversion ratio, but did not give the significant effect on survival rate of patin seed. The best dose to increase the growth of catfish seeds is 85% commercial feeding with the addition of Tubifex sp. 15%.

THE INFLUENCE OF STOCKING DENSITY AGAINST SURVIVAL RATE OF CATFISH (Clarias gariepinus) ON RECIRCULATION SYSTEM

2018 ◽  
Vol 4 (1) ◽  
pp. 11
Author(s):  
Anjas Adi Santoso ◽  
Muarif Muarif ◽  
Rosmawati Rosmawati
Keyword(s):  
Water Quality ◽  
Survival Rate ◽  
Feed Efficiency ◽  
Average Length ◽  
Clarias Gariepinus ◽  
Stocking Density ◽  
Average Weight ◽  
Randomized Design ◽  
Recirculation System ◽  
Completely Randomized Design

One of the technologies to keep the water quality remains optimal ias a recirculation system. This research is aimed to determine the influence of denisity of catfish (Clarias gariepinus) on the recirculation system. Fish test used is catfish fry the age of 2 weeks with average weight 0.58 g and an average length of 2.7 cm as much as 10,000 fish. The experimental research used completely randomized design with 4 treatments and 3 replications. The treatments were A (20 fish/liter of water), B (30 fish/liter of water), C (40 fish/liter of water) and D (50 fish/liter of water). The survival rate, the feed efficiency, and water quality has been observed. The results of research showed that the survival rate and the feed efficiency were significantly different (P<0.05). The highest survival rate in this research was in the treatment A (20 fish/liter of water) that was 70.5%. The stocking density of catfish fry of 20 fish/liter of water can be used as basis for  the maintenance of catfish fry for reach the optimal survival rate. Key words: Catfish, survival rate, feed efficiency, recirculation

scholarly journals PENGARUH SALINITAS YANG BERBEDA TERHADAP KELULUSHIDUPAN DAN PERTUMBUHAN RAJUNGAN (Portunus pelagicus) PADA STADIA CRAB MUDA

2019 ◽  
Vol 18 (1) ◽  
Author(s):  
Sri Rejeki
Keyword(s):  
Water Quality ◽  
Survival Rate ◽  
Stocking Density ◽  
Swimming Crab ◽  
Critical Determinant ◽  
Portunus Pelagicus ◽  
Central Java ◽  
Weight Growth ◽  
Randomized Design ◽  
Average Size

<p align="center"><strong>ABSTRAK</strong></p><p><strong>                                                                                                                                                         </strong></p><p>                Rajungan (P<em>. pelagicus</em>) merupakan hasil perikanan yang sangat potensial dan menjadi salah satu komoditi ekspor unggulan. Faktor lain yang menjadi kunci kesuksesan dalam budidaya di tambak adalah pengelolaan budidaya selama pelaksanaan di tambak. Hasil pemantauan lingkungan budidaya tambak dapat dijadikan dasar dalam menentukan  tindakan yang akan dilaksanakan dalam pengelolaan budidaya tambak. Kualitas air merupakan faktor penentu keberhasilan budidaya di tambak karena komoditas yang dibudidayakan di tambak hidup dalam badan air. Salinitas berhubungan erat dengan osmoregulasi hewan air. Penelitian ini bertujuan untuk mengkaji pengaruh salinitas yang berbeda terhadap kelulushidupan dan pertumbuhan rajungan (P. <em>pelagicus</em>). Penelitian ini dilaksanakan pada bulan Mei 2017 – Juli 2017 di Desa Tambak Bulusan, Kecamatan Karang Tengah, Kabupaten Demak, Jawa Tengah. Hewan uji adalah crab muda rajungan yang berukuran 5 cm. Padat tebar yang digunakan adalah 10 ekor/m. Pakan yang diberikan adalah udang rebon yang diberikan secara <em>fix feeding rate</em> 5%.Penelitian ini menggunakan metode eksperimen dengan rancangan acak lengkap (RAL) dengan 4 perlakuan dan 3 ulangan. Perlakuan salinitas yang digunakan yaitu 15 ppt, 20 ppt, 25 ppt, dan 30 ppt. Pemeliharaan dilakukan selama 42 hari dan dilakukan pengukuran kualitas air setiap  hari. Perbedaan salinitas memberikan pengaruh nyata (P&lt;0,05) terhadap kelulushidupan, pertumbuhan dan RGR. Hasil penelitian menunjukkan bahwa nilai kelulushidupan rajungan (P. <em>pelagicus</em>) yaitu pada perlakuan D sebesar 83,33±5,77%. Pertumbuhan bobot mutlak terbaik yaitu pada perlakuan D sebesar 81,87±2,42 g. Laju pertumbuhan relatif rajungan (P. <em>pelagicus</em>) terbaik yaitu pada perlakuan D sebesar 9,11±0,70%/hari. Perlakuan terbaik yaitu pada perlakuan D dibandingkan dengan perlakuan A, B dan C.</p><p><strong>                </strong></p><p><strong>Kata kunci: </strong>Kelulushidupan, Pertumbuhan, Rajungan, Salinitas, Osmoregulasi</p><p> </p><p align="center"><strong><em>ABSTRACT</em></strong></p><p align="center"> </p><p><em>                    </em>Blue swimming crab (P. <em>pelagicus</em>) is a potential fishery comodity and has become the leading export. Another factor that becomes the key to success in the cultivation in the pond is the management of cultivation during the implementation in the pond. The results of environmental monitoring of pond farming can be used as a basis in determining the actions to be implemented in the management of pond farming. Water quality is a critical determinant of the success of the cultivation in the ponds because of the commodities cultivated in live ponds in water bodies. Salinity is closely related to the osmoregulation of aquatic animals, in the event of a sudden drop in salinity and within a considerable range. The objectives of this research was to find out the effects of different salinity levels the survival rate and growth of blue swimming crab. This reaserch was conducted in Bulusan village, Karang Tengah districts, Demak district, Central Java start from Mei until July 2017. Theof blue swimming crab with average size of 5 cm/ind with stocking density was 10 individuals/tank. The feed given was shrimp rebon. This research was conducted by experimental method using Completely Randomized Design with 4 treatments and 3 replications. There were salinity from treatments A with 15ppt, B with 20ppt, C with 25 ppt, and D with 30 ppt. The maintenance performed for 42 days and water quality monitored daily. The different salinity gave sicnificant effect of survival rate, growth and RGR. The results showed that the best absolute value survival rate of  Blue swimming crab (P. <em>pelagicus</em>) that is at treatment D equal to 83,33 ± 5,77%. The weight growth value was in treatment D of 81.87 ± 2.42 g. The relative growth rate of Blue swimming crab (P. <em>pelagicus</em>) is best at treatment D equal to 9,11 ± 0,70% / day. The best treatment was treatment D compared to treatments A, B and C.</p><p> </p><strong><em>Keyword: </em></strong><em>Survival Rate, Growth, Blue Swimming Crab, Salinity, Osmoregulation</em>

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