scholarly journals The growth performance and resistance to salinity stress of striped catfish Pangasius sp. juvenile in biofloc system with different feeding rates

2018 ◽  
Vol 17 (2) ◽  
pp. 113 ◽  
Author(s):  
Wellya Wichi Meritha ◽  
Muhammad Agus Suprayudi ◽  
Juli Ekasari
Keyword(s):  
Growth Performance ◽  
Salinity Stress ◽  
Water Exchange ◽  
Feeding Rate ◽  
Specific Growth ◽  
Average Length ◽  
Stress Test ◽  
Feeding Rates ◽  
Feed Conversion ◽  
Striped Catfish

<p align="center"><strong>ABSTRACT</strong></p><p>This study aimed to evaluate the growth performance and resistance to salinity stress of striped catfish juvenile reared in biofloc with different feeding rate (FR). The treatments applied in this study were rearing the fish in biofloc with FR 5% and 8% of biomass per day, and rearing the fish with a FR of 8% per day without biofloc system as the control. The fish with an initial average length of 1.81 ± 0.20 cm were stocked in 9 units of  50 L aquaria with density of 40 ind/aquaria (800 ind/m<sup>3</sup>) for 15 days rearing period. In biofloc systems, the addition of tapioca as a source of organic carbon was done every day with an estimated C/N ratio of 10. No water exchange was done in biofloc systems, whereas regular water exchange was applied in the control. Results of the experiment showed that survival was not significantly different amongst treatments (P&gt;0.05).  However, the specific growth rate of the fish in biofloc system with a FR of 8% per day showed the highest value and was significantly different from other treatments (P&lt;0.05). Fish reared in biofloc system tend to have lower feed conversion ratios (FCRs) than the control. The lowest FCR was found in fish reared in biofloc system with 5% FR and significantly lower than control (P&lt;0.05).  Salinity stress test was conducted by soaking 15 juveniles in water with a salinity of 20 g/L for an hour. The survival of fish after salinity stress test were significantly higher for fish reared in bifloc system than control (P&lt;0.05). These data showed that rearing striped catfish juvenile in biofloc system could reduce FCR, increase the growth, and robustness of fish.</p><p> </p><p>Keywords: biofloc, feeding rate, growth, salinity stress test, striped catfish</p><p> </p><p> </p><p align="center"><strong>ABSTRAK</strong></p><p>Penelitian ini bertujuan untuk mengevaluasi kinerja pertumbuhan dan ketahanan benih ikan patin terhadap stres salinitas yang dipelihara dalam sistem bioflok dengan tingkat pemberian pakan (FR) berbeda. Perlakuan yang terdapat dalam penelitian ini adalah benih patin yang dipelihara dalam sistem bioflok dengan FR 5% dan 8% per hari, dan pemeliharaan benih dengan FR 8% per hari tanpa penambahan sumber karbon sebagai kontrol. Benih patin dengan panjang rata-rata awal 1,81 ± 0,20 cm dipelihara dalam 9 unit akuarium dengan volume air 50 L dan kepadatan 40 ekor/akuarium (800 ekor/m<sup>3</sup>) selama 15 hari. Pada sistem bioflok, penambahan tapioka sebagai sumber karbon dilakukan setiap hari dengan C/N 10. Pada sistem bioflok tidak dilakukan pergantian air, sedangkan pada kontrol dilakukan pergantian air. Kelangsungan hidup ikan tidak berbeda nyata antar perlakuan. Namun, tingkat pertumbuhan spesifik ikan dalam sistem bioflok dengan FR 8% per hari menunjukkan nilai tertinggi dan berbeda nyata antar perlakuan (P&lt;0,05). Benih yang dipelihara pada sistem bioflok memiliki rasio konversi pakan (FCR) yang lebih rendah dibandingkan kontrol, namun tidak terdapat perbedaan yang signifikan antara perlakuan bioflok (P&gt;0,05). Uji stres salinitas dilakukan dengan merendam 15 ekor benih patin pada air dengan salinitas 20 g/L selama satu jam. Kelangsungan hidup setelah uji stres salinitas dari benih yang dipelihara di bioflok secara signifikan lebih tinggi dibandingkan kontrol (P&lt;0,05). Hasil penelitian menunjukkan bahwa pemeliharaan benih patin pada sistem bioflok dapat menurunkan FCR, dan meningkatkan pertumbuhan dan ketahanan ikan terhadap stres salinitas.</p><p> </p><p>Kata kunci: bioflok, feeding rate, pertumbuhan, uji stres salinitas, ikan patin</p><p> </p>

scholarly journals EVALUATION OF FEEDING RATES IN THE PRODUCTION OF LITOPENAEUS VANNAMEI SHRIMP USING ARTIFICIAL SUBSTRATES

2018 ◽  
Vol 19 (0) ◽  
Author(s):  
César Rocha Nunes Antunes ◽  
Carlos Alberto da Silva Ledo ◽  
Clóvis Matheus Pereira ◽  
José dos Santos
Keyword(s):  
Water Quality ◽  
Growth Performance ◽  
Litopenaeus Vannamei ◽  
Conversion Rate ◽  
Feeding Rate ◽  
Artificial Substrates ◽  
Average Weight ◽  
Feeding Rates ◽  
Feed Conversion ◽  
Feed Conversion Rate

Abstract The objective of this study was to evaluate the the influence of feeding rate and different artificial substrates on both the water quality and growth performance of Litopenaeus vannamei shrimp. The experimental design was randomized blocks with five treatments and four replicates, with a density of 30 shrimp m-2 and mean weight of 2.8 g. The experiment lasted 49 days, and during this period, artificial substrates did not influence the water quality. The increase in the feeding rate influenced the dissolved oxygen of treatments. The final average weight, average final length, final biomass, productivity, and feed conversion rate showed significant differences (p > 0.05). The best food conversion factor was provided by the treatment with a feeding rate of 2%. The treatment with a feeding rate of 4% of biomass showed the best growth performance, except for the feed conversion rate. Results showed that for the percentage of 25% of the area of artificial substrates, there is an optimum feeding rate of between 5.13% and 5.54% of shrimp biomass, resulting in maximum production.

scholarly journals Feeding rate and frequency on juvenile pompano growth

2013 ◽  
Vol 48 (8) ◽  
pp. 950-954 ◽  
Author(s):  
Viviana Lisboa da Cunha ◽  
Marcelo Roberto Pereira Shei ◽  
Marcelo Hideo Okamoto ◽  
Ricardo Vieira Rodrigues ◽  
Luís André Sampaio
Keyword(s):  
Body Weight ◽  
Growth Performance ◽  
Feeding Rate ◽  
Feeding Rates ◽  
Feed Conversion ◽  
Randomized Design ◽  
Significant Difference ◽  
Final Weight ◽  
Completely Randomized Design ◽  
The Ideal

The objective of this work was to evaluate the ideal feeding rate and frequency for juvenile pompano (Trachinotus marginatus). Two experiments were carried out in a completely randomized design, with three replicates each. In experiment I, 25 fish (4.8±0.6 g and 6.48±0.01 cm) were stocked in 15 tanks (50 L) during 21 days and fed 4, 8, 12, 16, and 20% body weight per day. In experiment II, 20 fish (4.1±0.1 g and 6.6±0.1 cm) were stocked in 15 tanks (40 L) during 28 days and fed 2, 6, 8, and 10 times a day. The tested feeding rates and frequencies did not influence survival. Final weight and length in experiment I were significantly lower in fish fed 4% body weight per day, whereas in experiment II only weight was significantly lower in fish fed 2 and 6 times a day. At the end of both experiments, apparent feed conversion showed significant difference, with the worst value observed for fish fed 20% body weight per day in experiment I and 2 times a day in experiment II. Juvenile pompano show better growth performance when fed 8% body weight per day and 8 times a day.

scholarly journals Performance of fat snook juveniles reared at different temperatures

2018 ◽  
Vol 40 (1) ◽  
pp. 39766
Author(s):  
Daniel Correia ◽  
Luiz Henrique Castro David ◽  
Sara Mello Pinho ◽  
João Costa-Filho ◽  
Maurício Gustavo Coelho Emerenciano ◽  
...  
Keyword(s):  
Growth Rate ◽  
Weight Gain ◽  
Specific Growth ◽  
Survival Rates ◽  
Feeding Rates ◽  
Feed Conversion ◽  
Final Weight ◽  
Different Temperatures ◽  
Water Recirculation ◽  
Fat Snook

We aimed at evaluating the effects of different water temperatures on the zootechnical performance of fat snook. The experiment lasted for 60 days, which was conducted in water recirculation systems, and was randomly designed with three treatments and three replicates each, corresponding to three water temperatures (25, 28 and 31°C). A total of 225 fat snook juveniles with a mean weight of 6.45 ± 0.58 g were used, which were fed daily until apparent satiety. Zootechnical parameters were assessed and feeding rates were registered for each tested temperature. Survival rates varied from 96 to 100% among treatments. Higher values of standard and total length, and weight gain were found in 28 and 31°C (p < 0.05). With regard to final weight, final biomass, feed conversion and specific growth rate, no significant differences were observed (p > 0.05). Feeding rates did not differ among evaluated temperatures. The results show that the used temperatures did not negatively affect zootechnical performance of fat snook juveniles. 

scholarly journals Effects of salinity changes on growth performance and survival of climbing perch, Anabas testudineus (Bloch, 1795)

2016 ◽  
Vol 25 (1) ◽  
pp. 65-73
Author(s):  
Faijun Nahar ◽  
Wahida Haque ◽  
Dewan Ali Ahsan ◽  
Md Ghulam Mustafa
Keyword(s):  
Growth Rate ◽  
Growth Performance ◽  
Specific Growth ◽  
Control Group ◽  
Feed Conversion ◽  
Average Growth Rate ◽  
Anabas Testudineus ◽  
Average Growth ◽  
Climbing Perch ◽  
Cultured Fish

An experiment was carried out to find the salinity tolerance capability and growth performance of Climbing Perch, Anabas testudineus (Bloch, 1795). Anabas testudineus commonly cultured fish in Bangladesh was reared in laboratory conditions at different salinities of 0, 3, 6, 9, 12, 15, 18 and 21‰ for 60 days. Hundred per cent survivals were detected at 0, 3, 6 and 9‰ salinity while 100% mortality was recorded at 18 and 21‰ salinity. Various responses to threat and feeding were observed among the fish in different treatments. Lowest feed conversion ratio was found in the control group while the highest was detected at 15‰ salinity. On the other hand, decreasing trend of specific growth and average growth rate were observed in A. testudineus fingerlings from 0 to 15‰ salinity. Significantly higher specific growth rate and average growth rate were detected in A. testudineus fingerlings reared at 0 - 6‰ salinity (p < 0.05). The present study suggests that Climbing Perch fingerlings can be reared at fresh water growth rates in coastal water with salinity up to 6‰.Dhaka Univ. J. Biol. Sci. 25(1): 65-73, 2016

scholarly journals Nutritional value and growth performance of sea worms (Nereis sp.) fed with Hermetia illucens maggot flour and grated coconut (Cocos nucifera) as natural feed

2020 ◽  
Vol 21 (11) ◽  
Author(s):  
Vivi Endar Herawati ◽  
Pinandoyo Pinandoyo ◽  
Seto Windarto ◽  
Nurmanita Rismaningsih ◽  
Putut Har Riyadi ◽  
...  
Keyword(s):  
Growth Performance ◽  
Feed Efficiency ◽  
Nutritional Quality ◽  
Nutritional Value ◽  
Feeding Rate ◽  
Cocos Nucifera ◽  
Total Body Weight ◽  
Feed Conversion ◽  
Plastic Container ◽  
Hermetia Illucens

Abstract. Herawati VE, Pinandoyo, Windarto S, Rismaningsih N, Riyadi PH, Darmanto YS, Radjasa OK. 2020. Nutritional value and growth performance of sea worms (Nereis sp.) fed with Hermetia illucens maggot flour and grated coconut (Cocos nucifera) as natural feed. Biodiversitas 21: 5431-5437. Sea worms are one of the natural feeds used for shrimp aquaculture. This study aimed to investigate the growth performance and nutritional quality of sea worms (Nereis sp.) fed with Hermetia illucens maggot flour and grated coconut (Cocos nucifera). Nereis sp. individuals were cultured at a density of 100/plastic container for 35 days, and fed twice daily with a feeding rate of 5% of the total body weight. This study used five treatments, i.e.: A. 50% maggot flour and 50% coconut grated, B. 75% maggot flour and 25% coconut grated, C. 25% maggot flour and 75% grated coconut, D. 100% maggot flour, and E. 100% coconut grated. The results showed that the sea worms fed on maggot flour and grated coconut had a significant effect (P < 0.01) on the survival rate (SR), feed conversion rate (FCR), and feed efficiency. Treatment D showed the highest absolute growth value, specific growth rate (SGR), feed efficiency, and SR (0.45 g, 3.25%, 49.23%, and 99.67%). Feeding rate n ranged from 30.50% to 34.67%, and the FCR value ranged from 2.07-2.43%. The highest nutrient contents were observed in treatment D, with 54.05% protein, 22.54% fatty acid, 55.46 ppm methionine, and 10.98% EPA. This result suggested that Nereis sp. fed with 100% maggot flour had the greatest nutritional quality and growth performance.

scholarly journals Effects of Nitrogen Sources on the Growth and Biochemical Composition of Diatom (Amphora coffeaeformis) Used for Shrimp Larviculture

2021 ◽  
Vol 18 (4) ◽  
Author(s):  
Chairat KHWANCHAROEN ◽  
Ninlawan CHOTIPAN ◽  
Thongchai NAWATMAI ◽  
Sataporn DIREKBUSSARAKOM
Keyword(s):  
Survival Rate ◽  
Ammonium Sulfate ◽  
Salinity Stress ◽  
Sodium Nitrate ◽  
Biochemical Composition ◽  
Water Exchange ◽  
Stress Test ◽  
Nitrogen Sources ◽  
Dry Weight ◽  
Nitrate Treatment

Amphora coffeaeformis is a benthic diatom and serves as a rich nutritional feed for various aquaculture industries. The objective of this experiment was to compare the effects of different nitrogen sources on the growth and biochemical composition of the diatom (A. coffeaeformis) culture. Sodium nitrate in Guillard’s f medium, used as a control treatment, was compared with sodium nitrite and ammonium sulfate. The results in the 3rd batch of culture showed that all treatments led to the highest growth on Day 6. The highest cell dry weight occurred in the ammonium sulfate treatment with significance (0.78±0.06 mg/mL). The cultures in each treatment were harvested at the exponential phase (Day 3) for biochemical composition analysis. A. coffeaeformis in the ammonium sulfate treatment significantly accumulated the highest protein content, at 44.82 % by dry weight, while the highest lipid content at 29.78 % by dry weight was significantly found in the sodium nitrate treatment. The cell size and structure showed no significant differences among the treatments. The experiment demonstrated the effects of different nitrogen sources on the growth and biochemical composition of A. coffeaeformis. After that, we selected A. coffeaeformis that was cultured with the nitrate and ammonia nitrogen sources for feeding to shrimp larvae. This experiment was conducted to evaluate the effects of A. coffeaeformis on the growth, survival rate, salinity stress test, and ammonia stress test for shrimp. The experiment was designed with four treatments, as follows: 1) the control feed with flake winner (no water exchange for 28 days), 2) Am-NO3 supplement with A. coffeaeformis cultured using nitrates (no water exchange for 28 days), 3) Am-NH3 supplement with A. coffeaeformis cultured using ammonia (no water exchange for 28 days), and 4) the positive control feed with flake winner (daily water exchange at 20 %). The results showed that the growth of shrimp fed with the diet supplemented with A. coffeaeformis cultured using nitrate and ammonia were not significantly different from the negative and positive controls (P > 0.05). However, the survival rate in the negative control was significantly lower than the other groups (P < 0.05). In this study, the stress test for white shrimp postlarvae utilized 2 methods: the ammonia or salinity stress tests. The survival rate of the shrimp after the ammonia stress test was not statistically and significantly different (P > 0.05). However, the results from the salinity stress test indicated that the highest survival rate was observed in the shrimp fed with the diet supplemented with A. coffeaeformis cultured using nitrate. A. coffeaeformis cultured with the sodium nitrate treatment had a positive effect on shrimp tolerance to salinity changes.

scholarly journals Growth performance and blood profiles of striped catfish (Pangasianodon hypophthalmus) fed leaves extract of Myrmecodia tuberosa

2019 ◽  
Vol 11 (1) ◽  
pp. 89-96
Author(s):  
RUDY AGUNG NUGROHO ◽  
ESTI HANDAYANI HARDI ◽  
YANTI PUSPITA SARI ◽  
RETNO ARYANI ◽  
RUDIANTO RUDIANTO
Keyword(s):  
Survival Rate ◽  
Blood Cell ◽  
Growth Performance ◽  
Feed Efficiency ◽  
Feed Utilization ◽  
Feed Conversion ◽  
Pangasianodon Hypophthalmus ◽  
Striped Catfish ◽  
Feed Conversion Rate ◽  
Blood Profiles

Abstract. Nugroho RA, Hardi EH, Sari YP, Aryani R, Rudianto. 2019. Growth performance and blood profiles of striped catfish (Pangasianodon hypophthalmus) fed leaves extract of Myrmecodia tuberosa. Nusantara Bioscience 11: 89-96. The application of plant extract in the aquaculture field is gaining momentum. This study aimed to determine the effects of M. tuberosa Jack leaves extract on the growth performance and blood profiles of striped catfish (Pangasianodon hypophthalmus). 400 fish with an initial average weight of 1.54 ± 0.02g were randomly divided into five groups and fed with different concentration of M. tuberosa Jack leaves extract (0.25, 0.5, 1, 2%) and control diet for 80 days. Growth performance, feed conversion rate, feed efficiency, survival rate, morphometric, and hematological profile of the fish were evaluated at the end of the trial. The results found that fish fed 0.5-1% concentration had significantly higher (P<0.05) growth, feed conversion rate, feed efficiency, morphometric value, survival, white blood cell, hemoglobin, neutrophil, lymphocyte, and monocyte than control. Meanwhile, supplementation of 2% MTE in the diet of fish reduced growth, feed utilization, viscerosomatic index, and morphometric values but increased red blood cell. All the supplemented diets decreased platelet of fish. The findings indicated that supplementation 0.5-1% of MTE is beneficial to the growth and blood profile of fish through the increment of growth indices, feed utilization, white blood cell, hemoglobin, neutrophil, lymphocyte, and survival rate of fish.

scholarly journals Histometry and Growth Performance of African Catfish, Clarias gariepinus, (Burchell, 1822) Fed Probiotics Supplemented Diets

2019 ◽  
pp. 1-10
Author(s):  
K. Gbadamosi Oluyemi
Keyword(s):  
Growth Performance ◽  
Specific Growth ◽  
Clarias Gariepinus ◽  
African Catfish ◽  
Feed Conversion ◽  
Experimental Diet ◽  
Lactobacillus Pentosus ◽  
Biological Performance ◽  
Commercial Probiotics ◽  
Mucosal Fold

The histometry, organosomatic parameters and growth performance of African catfish, Clarias gariepinus fed with commercial probiotics, Lactobacillus pentosus supplemented diet was assessed in the present study. Six experimental diets were formulated, at different inclusion levels of Lactobacillus pentosus of 0, 102,104, 106, 108and 1010 cfu in T1, T2, T3, T4, T5 and T6 respectively. C. gariepinus were stocked into concrete tanks of 1.93 m by 1.93 m by 1.09 m. Each experimental diet was fed to three replicate groups of fish for 42 days. At the end of the feeding, histometrical parameters like mucosal fold length, mucosal fold breadth, mucosal fold area improved with increasing supplementation levels of L. pentosus. There was also significantly better P > 0.05 organosomatic parameters in all treatments with increasing level of supplementation. The best growth performance in term of specific growth rate (SGR) and feed conversion ratio (FCR) was observed in Treatment 3 as 10.49±0.23 and 1.56±0.22 respectively. The enhanced growth performance and histometry in fish fed diets with L. pentosus supplementation resulted in the best biological performance in African catfish at 1.0 g per 100 g of feed representing 104 cfu supplementation level. Therefore the present study shows that L. pentosus can be recommended as an important probiotic in aquaculture.

Growth Performance, Feed Conversion and Survival of Cirrhinus mrigala with Feeding Rate in Cage System

2021 ◽  
Vol 16 (1) ◽  
pp. 26-33
Author(s):  
Shyamal Kumar Paul ◽  
Mazharul Islam ◽  
M. Maksud Alam ◽  
Md. Borhan Uddin Ahme ◽  
Md. Robiul Has ◽  
...  
Keyword(s):  
Growth Performance ◽  
Feeding Rate ◽  
Feed Conversion ◽  
Cirrhinus Mrigala ◽  
Cage System

scholarly journals Growth performance of thai pangus (Pangasius hypophthalmus) in polyculture system using different supplementary feeds

1970 ◽  
Vol 27 ◽  
pp. 59-62 ◽  
Author(s):  
MAB Sayeed ◽  
GS Hossain ◽  
SK Mistry ◽  
KA Huq
Keyword(s):  
Growth Rate ◽  
Specific Growth Rate ◽  
Growth Performance ◽  
Protein Level ◽  
Specific Growth ◽  
Fish Feed ◽  
Feed Conversion ◽  
Commercial Fish ◽  
Final Weight ◽  
Feed Protein

Thai pangus polyculture with carps has been increasing for its high potential, however very few attempts were made to compare its growth using different types of feed. A research was undertaken to assess the effect of three types of feed on growth of Thai pangus (Pangasius hypophthalmus) and rohu (Labeo rohita) in polyculture system for 11 months from 15 May 2005 to 15 April 2006 in Khulna. Growth performance using Hand-made Feed (F1) was compared with two commercial fish feed, Sunney Feed (F2) and Saudi-Bangla Feed (F3) in three respective treatments of T1, T2 and T3. All treatments were carried out in triplicate at 24700/ha for Thai pangus and 4940/ha for rohu. Average initial weight of Thai pangus and rohu were 4.5 and 33.5g respectively. Growth performance was influenced by feed type. Average final weight of Thai pangus and rohu were 820 and 710; 846 and 770; and 872 and 717g with specific growth rate 1.58 and 0.93; 1.59 and 0.95 and 1.60 and 0.93 % day -1 in T1, T2 and T3 respectively. Feed conversion ratio was estimated 2.3 in T1, 2.1 in T2 and 1.96 in T3. The result showed a typical increasing trend of final weight and specific growth rate of Thai pangus along with the increasing of feed protein level. But rohu showed highest growth in T2 where protein level was 26-30% which was lower than that of T3 (Protein level 28-32%). The study suggests that suitable protein level and quality feed is required for adequate growth of fish. Key words: Feed, Thai pangus, Polyculture, Growth.     doi:10.3329/ujzru.v27i0.1956 Univ. j. zool. Rajshahi Univ. Vol. 27, 2008 pp. 59-62

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