Potentialities of the Asian Watergrass (Hygroryza aristata) as Feed in Aquaculture

Asian watergrass (Hygroryza aristata) is an herbaceous glabrous aquatic-rooted floating grass naturally growing in the tidally inundated coastal marshes, beels and canals. The ecology and growth performance of Asian watergrass were evaluated in the coastal wetland (CWL), in an artificially created canal (ACC) within the coastal wetland and in the university research ponds (URP). The study was conducted with three replications in each area. The proximate compositions of the leaves, roots and stems of the grass were determined. Important water and soil quality parameters were found favorable for the growth and production of Asian watergrass. The growth performance and total production of the grass were significantly higher in ACC (length: 2.78 m and weight: 386.86 metric ton ha−1) in comparison with those in CWL (2.36 m and 256.67 metric ton ha−1) and URP (2.22 m and 137.10 metric ton ha−1). Higher content of crude protein was found in leaves (17.49%) followed by roots (12.17%) and stems (9.39%), while the minerals (ash) and fiber contents were found higher in stems (25.68% and 9.53%) in comparison with those in leaves and roots. The findings indicate that the coastal wetlands of Bangladesh having available nutrients in both water and soil are suitable for higher growth and production of Asian watergrass. Considering the nutrient compositions, the Asian watergrass may be an important potential source of feed ingredient that may be used as fish feed in aquaculture throughout the world.

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POTENTIAL USE OF Ulva lactuca AS FEED INGREDIENT FOR TILAPIA

Jurnal Ilmu dan Teknologi Kelautan Tropis ◽

10.29244/jitkt.v8i1.13089 ◽

2016 ◽

Vol 8 (1) ◽

pp. 259-267

Author(s):

Nur Hikma Mahasu ◽

Dedi Jusadi ◽

Mia Setiawati ◽

I Nyoman Adi Asmara Giri

Keyword(s):

Body Weight ◽

Crude Protein ◽

Ulva Lactuca ◽

Fish Feed ◽

Feed Ingredient ◽

Feed Formulation ◽

Potential Source ◽

Potential Use ◽

Average Body ◽

Average Body Weight

Due to the mainly imported for fish feed ingredients in Indonesia, many attemps have been made to discover local potential ingredients to reduce the utilization of imported ingredients. In this experiment, the utilization of Ulva lactuca as feed ingredient for tilapia was evaluated. Experiment 1 was conducted to determine the digestibility of Ulva for tilapia. In experiment 2 and 3, Ulva was used to substitute wheat pollard of either 0, 3, 6, 9, or 12 % in the feed formulation. In experiment 2, fish with an average body weight of 4.1±0.15 g were fed on those diets, and were cultured for 55 days. To calculate the digestibity in experiment 3, Cr2O3 was added into the diet of exeriment 2; then fed on the fish with an average body weight of 19.0±0.67 g. Results showed that apparent digestibility of dry matter and crude protein of Ulva were 66.3 and 83 %, respectively. Ash content in the diet increased of 13.5% with Ulva inclusion of 12%. On the other hand, using Ulva as a substitute for pollard up to 12% was not affected the growth performance of fish. Regardless of the Ulva level in the diet, the digestibility of the diet was the same. Therefore, Ulva is a potential source of local feed ingredient for tilapia. Keywords: Ulva lactuca, tilapia, digestibility, growth

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POTENTIAL USE OF Ulva lactuca AS FEED INGREDIENT FOR TILAPIA

Jurnal Ilmu dan Teknologi Kelautan Tropis ◽

10.28930/jitkt.v8i1.13089 ◽

2016 ◽

Vol 8 (1) ◽

Author(s):

Nur Hikma Mahasu ◽

Dedi Jusadi ◽

Mia Setiawati ◽

I Nyoman Adi Asmara Giri

Keyword(s):

Body Weight ◽

Crude Protein ◽

Ulva Lactuca ◽

Fish Feed ◽

Feed Ingredient ◽

Feed Formulation ◽

Potential Source ◽

Potential Use ◽

Average Body ◽

Average Body Weight

Due to the mainly imported for fish feed ingredients in Indonesia, many attemps have been made to discover local potential ingredients to reduce the utilization of imported ingredients. In this experiment, the utilization of Ulva lactuca as feed ingredient for tilapia was evaluated. Experiment 1 was conducted to determine the digestibility of Ulva for tilapia. In experiment 2 and 3, Ulva was used to substitute wheat pollard of either 0, 3, 6, 9, or 12 % in the feed formulation. In experiment 2, fish with an average body weight of 4.1±0.15 g were fed on those diets, and were cultured for 55 days. To calculate the digestibity in experiment 3, Cr2O3 was added into the diet of exeriment 2; then fed on the fish with an average body weight of 19.0±0.67 g. Results showed that apparent digestibility of dry matter and crude protein of Ulva were 66.3 and 83 %, respectively. Ash content in the diet increased of 13.5% with Ulva inclusion of 12%. On the other hand, using Ulva as a substitute for pollard up to 12% was not affected the growth performance of fish. Regardless of the Ulva level in the diet, the digestibility of the diet was the same. Therefore, Ulva is a potential source of local feed ingredient for tilapia. Keywords: Ulva lactuca, tilapia, digestibility, growth

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Comparative Growth Performance of Oreochromis Hybrids and Selectively-Bred Strain (F8) in Malawi

Sustainable Agriculture Research ◽

10.5539/sar.v5n4p13 ◽

2016 ◽

Vol 5 (4) ◽

pp. 13 ◽

Cited By ~ 4

Author(s):

Daud Kassam ◽

Marcus Sangazi

Keyword(s):

Water Quality ◽

Growth Performance ◽

Crude Protein ◽

Experimental Period ◽

Quality Parameters ◽

Conversion Ratio ◽

Food Conversion ◽

Growth And Survival ◽

Maize Bran ◽

Better Than

Most fish farmers in Malawi culture unimproved fish strains whose growth is slow and mature while still small. Four strains of Oreochromis, namely; selectively-bred/improved O. shiranus (F8), two reciprocal F1 Oreochromis hybrids, and O. karongae as a control (mean weight 2.5 ± 0.7 g) were stocked at a density of 5fish/m2 in 9m2 hapas replicated three times, and cultured for 90 days at Bunda Fish Farm. Fish were fed twice a day with feed formulated using maize bran and soybean containing 30% crude protein throughout the experimental period. The final mean weights were significantly different (p<0.05) across the treatments whereby; hybrid O. shiranus (male) X O. karongae (female) was 12.09g, hybrid O. shiranus (female) X O. karongae (male) was 9.72g, improved O. shiranus (F8) registered 9.23g, and O. karongae was the least with 9.00g. Apparent food conversion ratio was also statistically different (p<0.05) across the treatments whereby; O. karongae was 3.63, hybrid O. shiranus (female) X O. karongae (male) was 3.25, improved O. shiranus (F8) was 3.16 and hybrid O. shiranus (male) X O. karongae (female) was lowest with 2.26. There were no significant differences on the water quality parameters across the treatments throughout the experimental period and were within the required ranges for growth and survival of tilapias fish species. The results suggest that Oreochromis hybrids may be suitable candidates for aquaculture in terms of production as they performed better than the improved O. shiranus and the control O. karongae.

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Effects of fish stocking density on growth and survival of Silver carp (Hypophthalmichthys molitrix) fry in Jashore, Bangladesh

Bangladesh Journal of Fisheries ◽

10.52168/bjf.2021.33.08 ◽

2021 ◽

Vol 33 (1) ◽

pp. 65-74

Author(s):

SK INJAMAMUL ISLAM ◽

HASAN MAHMUD NOOR ◽

MD. HABIBUR RAHMAN ◽

MD. SAROWER-E-MAHFUJ ◽

SYEDA MAKSUDA YEASMIN ◽

...

Keyword(s):

Crude Protein ◽

Feeding Rate ◽

Average Length ◽

Silver Carp ◽

Stocking Density ◽

Quality Parameters ◽

Total Production ◽

Hypophthalmichthys Molitrix ◽

Growth And Survival ◽

Acceptable Range

The experiment was operated in 9 consecutive weeks in nine earthen nursery ponds having the same area (0.09 acre) and depth (0.8 m). Seven days old fries of Silver carp (Hypophthalmichthys molitrix) were stocked at 4000, 5000 and 6000 fries/decimal in three treatments with three replications as T-1, T-2 and T-3, respectively to observe the growth and survival. At stocking, hatchlings were the same batch-rearing with an average length and weight of 0.44 ± 0.05 cm and 0.14 ± 0.05 mg, respectively. Wet mustered oil cake and commercial nursery feed containing 30% crude protein were given by two weeks interval, initially according to the bodyweight; the feeding rate was 14% in the first two weeks, gradually reduced to 12, 10 and 8%, respectively in the following week intervals. Water quality parameters and plankton sufficiency were observed every 15 days interval and was found within the acceptable range. Growth performance (6.458 g), survival rate of fingerlings (85.76%) and total production (22151g/decimal) were found highest in T-1 followed by T-2 and T-3. The study concluded that expect better production of fry up to fingerlings, proper stocking density should be maintained in pond fish culture in Jashore region of Bangladesh.

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Effect of Stocking Density on Growth Performance and the Survival of Golden Mahseer, Tor putitora (Hamilton) Fry

Asian Journal of Fisheries and Aquatic Research ◽

10.9734/ajfar/2021/v14i530308 ◽

2021 ◽

pp. 47-54

Author(s):

Md. Golam Sajed Riar ◽

Nur- A Raushon ◽

Sumit Kumer Paul

Keyword(s):

Water Quality ◽

Growth Performance ◽

Crude Protein ◽

Stocking Density ◽

Experimental Period ◽

Quality Parameters ◽

The Other ◽

Water Quality Parameters ◽

Daily Weight Gain ◽

Tor Putitora

Growth performance and survival of Tor putitora fry under different stocking densities were evaluated fry rearing system. The experimental period was 10 weeks from 31 December to 10 March 2019. The experiment was carried out in nine earthen ponds of 0.04 ha each under three treatments with three replications. Thirty days old fry were stocked at the rate of 1.0X105/ha was designated as treatment- 1 (T1), 1.5X105/ha` as treatment- 2 (T2) and 2.0X105/ha as treatment- 3 (T3), respectively. Fry were fed with commercially available nursery feed containing 32% crude protein. It was observed that, lower stocking density showed highest daily weight gain in T1 (growth 0.066 ± 0.006 g/day) compared with higher stocking density in T2 (growth 0.044 ± 0.004 g/day) and T3 (growth 0.024 ± 0.003 g/day), respectively. It is also noticed that, the lower stocking showed the highest survival rate (79.66 ± 4.34 %) than the other two treatments (66.97±3.67 and 54.67± 3.12 %). The values of different water quality parameters were within the optimum ranges for the rearing of carp fry. Water quality parameters did not show significant variations in the experimental ponds under different stocking densities. Among these three stocking densities lower stocking density (T1) showed the best result compare with the other two higher stocking densities.

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Effect of probiotic duration and dose of coffee peel fermentation (Coffea sp.) on crude protein and crude fiber as an alternative fish feed ingredient

IOP Conference Series Earth and Environmental Science ◽

10.1088/1755-1315/441/1/012035 ◽

2020 ◽

Vol 441 ◽

pp. 012035

Author(s):

N Fatmawati ◽

Agustono ◽

M Lamid

Keyword(s):

Crude Protein ◽

Crude Fiber ◽

Fish Feed ◽

Feed Ingredient

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Growth performance of silver carp (Hypophthalmichthys molitrix) in cage stocked at different densities

Journal of the Bangladesh Agricultural University ◽

10.3329/jbau.v16i2.37989 ◽

2018 ◽

Vol 16 (2) ◽

pp. 322-327

Author(s):

Rumana Akhtar Jui ◽

Mohammad Mahfujul Haque ◽

SM Rahmatullah

Keyword(s):

Growth Performance ◽

Silver Carp ◽

Quality Parameters ◽

Individual Growth ◽

Phytoplankton Production ◽

Total Production ◽

Hypophthalmichthys Molitrix ◽

Highest Weight ◽

Significant Difference ◽

Cage Size

An experiment was conducted to evaluate the growth performance of silver carp (Hypophthalmichthys molitrix) in cage stocking at different densities. It was expected that silver carp could grow feeding on plankton without external feeding. In this experiment, silver carps in nine cages were stocked in three different stocking densities such as 20, 30 and 40 fishes/m3 designated as treatments T1, T2 and T3, which were located in the south west corner of the L-shaped pond in Field Laboratory Complex, Faculty of Fisheries, Bangladesh Agricultural University (BAU), Mymensingh consisting of three treatments with three replications of each for a period of 90 days from 18th August to 17th November, 2015. Each cage size was 1m x 1m x1m (length x width x height) and silver carp was cultured in the cage with natural feed which filtered phytoplankton mainly. Twenty five genera of phytoplankton were identified in pond and the average phytoplankton production was around 8.44x105cells/liter. Water quality parameters such as temperature, dissolved oxygen, pH and transparency were recorded fortnightly. At the completion of the experiment, weight showed significant difference (p>0.05) among three treatments although length didn’t vary significantly. The highest length gain (18.61+0.369 cm) and the highest weight gain (62.52+2.249 g) were found in T1. The highest SGR% for silver carp was found in T1 and the highest total production was obtained in T3 (5.00+ 0.015 kg/m3). Individual growth performance of silver carp was satisfactory. Further studies are needed with different stocking densities and duration to verify the result.J. Bangladesh Agril. Univ. 16(2): 322-327, August 2018

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Seeds of sacha inchi (Plukenetia volubilis, Euphorbiaceae) as a feed ingredient for juvenile tambaqui, Colossoma macropomum, and matrinxã, Brycon amazonicus (Characidae)

Acta Amazonica ◽

10.1590/1809-4392201700753 ◽

2018 ◽

Vol 48 (1) ◽

pp. 32-37 ◽

Cited By ~ 5

Author(s):

Thyssia Bomfim ARAÚJO-DAIRIKI ◽

Francisco Célio Maia CHAVES ◽

Jony Koji DAIRIKI

Keyword(s):

Growth Performance ◽

Fish Nutrition ◽

Fish Feed ◽

Omega 3 ◽

Feed Conversion ◽

Feed Ingredient ◽

Colossoma Macropomum ◽

Plukenetia Volubilis ◽

Sacha Inchi ◽

Body Parameters

ABSTRACT Sacha inchi (Plukenetia volubilis) is a plant native to the Peruvian Amazon with seeds that contain 24 to 29% protein, and levels of vitamin A and E and omega 3 polyunsaturated fatty acids that are suitable for fish nutrition. Thus, this study aimed to evaluate the use of sacha inchi seeds as an ingredient in the diets of tambaqui (Colossoma macropomum) and matrinxã (Brycon amazonicus). The acceptance and effect of three levels of sacha inchi seed meal (0, 15 and 30%) in fish feed was evaluated in a randomized experiment, testing groups of 12 juvenile tambaquis (29.8 ± 1.0 g, 11.0 ± 1.4 cm) and groups of eight juvenile matrinxãs (34.8 ± 1.3 g, 13.7 ± 1.0 cm). Growth performance and body composition of the fish were determined at the end of the experiment. An effect of the sacha inchi diet was only observed for feed conversion of tambaquis, which was worst at the highest level of sacha inchi seed. In conclusion, sacha inchi can be added to feed juvenile tambaquis at a level of 15%, and juvenile matrinxãs at 30% without compromising growth performance and body parameters of the fish.

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Effects of light matrix organics (probiotic) on the growth, feed digestibility, carcass and blood parameters of African catfish, Clarias gariepinus

Tropical Freshwater Biology ◽

10.4314/tfb.v29i2.3 ◽

2021 ◽

Vol 29 (2) ◽

pp. 35-46

Author(s):

B.O Oben ◽

T.D.G Tiku ◽

P.M Oben

Keyword(s):

Growth Performance ◽

Economic Efficiency ◽

Crude Protein ◽

Clarias Gariepinus ◽

Blood Parameters ◽

Carcass Composition ◽

African Catfish ◽

Fish Feed ◽

Average Growth ◽

Feed Digestibility

Cameroon’s fish protein consumption levels remain inadequate due to low fish production. The effects of Light Matrix Organics (LMO), a probiotic combination on the growth performance, feed digestibility, blood and carcass composition of the African catfish, Clarias gariepinus were investigated. Probiotics are live microorganisms which when administered in adequate amounts confer health benefits on the host. A basal diet was formulated and supplemented with LMO at 0.0 ml/kg (T0) as control; 1.66 ml/kg (T1); 2.49 ml/kg (T2); 3.32 ml/kg (T3) and 4.15 ml/kg (T4) and fed to 340 Clarias gariepinus fingerlings in two blocks (with average fish weights of 1.00±0.40 g and 0.1±0.05 g respectively), for sixty (60) days in replicate plastic tanks. Fish were fed twice daily at 4% body weight. Results show that the Mean weight gain, Specific growth rate and Protein efficiency ratio were significantly highest (P<0.05) in fish fed diets supplemented with LMO at 4.15 ml/kg (T4) and lowest in T0 (control). Apparent Digestibility Coefficients (ADC) of C. gariepinus for Dry Matter% and Crude Protein% decreased significantly in the general order: T4>T3>T2>T1>T0, except for Crude Protein which was significantly higher (P<0.05) in T3 than in T4. ADC Lipid% was higher (P<0.05) in both T2 and T4 than in all other treatments while ADC Energy was highest (P<0.05) in T2. Blood parameters were significantly higher (P<0.05) in LMO supplemented diets except for haematocrit (Ht) and red blood cells (RBC). Carcass nutrients differed significantly with LMO supplemented diets producing significantly lower (P≤0.05) fat but storing more energy than fish on the control diet. Incorporating LMO in treatment T2 was significantly more (P<0.05) economically efficient than other treatments. The supplementary use of LMO at the rate of 2.49ml/kg fish feed is therefore recommended based on the high economic efficiency and above average growth performance. Key words: probotic, light matrix organics, Clarias gariepinus, growth performance, digestibility, economic efficiency.

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Effect of Solid-state Fermented Aquafeed on Growth Performance, Digestive Enzymes and Innate Immunity of Rohu, Labeo rohita

Agricultural Science Digest - A Research Journal ◽

10.18805/ag.d-5254 ◽

2021 ◽

Author(s):

K.C. Das ◽

S. Mohanty ◽

P.K. Sahoo ◽

R. Das ◽

L. Sahoo ◽

...

Keyword(s):

Saccharomyces Cerevisiae ◽

Innate Immunity ◽

Solid State ◽

Growth Performance ◽

Solid State Fermentation ◽

Digestive Enzymes ◽

Crude Protein ◽

Labeo Rohita ◽

Fish Feed ◽

Fermented Feed

Background: There is a scope of increasing the aquaculture production by use of fish feed produced from non-conventional ingredients and also improvement in the quality of feed by solid-state fermentation. The present study was conducted to investigate the effect of solid-state fermented aquafeed on growth performance, digestive enzymes and innate immunity of rohu, Labeo rohita.Methods: Fish feed containing sesame oil cake and mahua oil cake was fermented through solid-state fermentation by yeast, Saccharomyces cerevisiae and then compared with a non-fermented control feed with the same formula.Result: Solid-state fermentation increased crude protein (CP), decreased crude fibre (CF) and also lowered (p less than 0.05) anti-nutritional factors (ANF) of fish feed. After five months of experimental feeding, weight gain and digestibility of nutrients like dry matter, crude protein and ether extract were significantly higher (p less than 0.05) and feed conversion ratio was significantly lower in fish of fermented feed fed group than the control group. Furthermore, non-specific immune parameters such as lysozyme, myeloperoxidase and haemolytic activities and intestinal enzyme activity of fish fed with fermented feed increased significantly (p less than 0.05) compared to fish fed control feed. It is concluded that feeding of Saccharomyces cerevisiae fermented feed could improve the growth, digestive enzymes activity and immunity of Rohu, Labeo rohita.

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