scholarly journals Fish farming status at Sreemangal upazila of Moulvibazar district, Bangladesh

2016 ◽  
Vol 3 (2) ◽  
pp. 361-368
Author(s):  
Baadruzzoha Sarker ◽  
Muhammad Forhad Ali
Keyword(s):  
Production Cost ◽  
Stocking Density ◽  
Fish Farming ◽  
Mustard Oil ◽  
Natural Food ◽  
Cow Dung ◽  
Fish Production ◽  
Indian Major Carps ◽  
High Production Cost ◽  
Supplementary Feed

The potential and prospect of fish farming of Sreemangal, Moulvibazar was carried out from January to December 2015 by interviewing of 90 fish farmers with a well-structured questionnaire. The survey revealed that 40% of the ponds were seasonal and 60% perennial, of which 85% with single ownership and 15% accompanied by multiple ownership. The average pond size was 0.13 ha and depth 2.6 m. The ponds were prepared using of lime, cow dung, urea and TSP at the rate of 250, 250, 40 and 20 kg/ha, respectively. Nearly all of the farmers practiced polyculture with Indian major carps and exotic carps. Fish was stocked from March to June and average stocking density was 15,500 fingerlings/ha. To sustain natural food production, farmers generally used cow dung, urea and TSP at the rate of 2,600, 300 and 150 kg/ha/yr, respectively. Healthy environmental condition was maintained by applying lime and salt at 600 and 60 kg/ha/yr, respectively. The fish were fed by supplementary feed (45% farm) e.g., rice bran and mustard oil-cake with an average quantity of 2,200 and 550 kg/ha/yr, respectively and artificial pellet feed (55% farm). The average fish production, production cost and profit were found 2,945 kg/ha/yr, 1,25,940 and 94,935 Tk./ha/yr, respectively. The major constraints for sustainable pond fish farming were non-availability of fish fingerlings during stocking period, insufficient water in dry season, high production cost, poor technical knowledge, lack of money etc. By establishing more hatcheries, arranging training at farm level, providing interest free or at lower interest loan to the farmers the existing fish production could be increased.Res. Agric., Livest. Fish.3(2): 361-368, August 2016

scholarly journals Impacts of Northwest Fisheries Extension Project (NFEP) on pond fish farming in improving livelihood approach

1970 ◽  
Vol 8 (2) ◽  
pp. 305-311
Author(s):  
MR Islam ◽  
MR Haque
Keyword(s):  
Group Discussion ◽  
Stocking Density ◽  
Fish Farming ◽  
Mustard Oil ◽  
Cow Dung ◽  
Fish Production ◽  
Government Officials ◽  
Mustard Oil Cake ◽  
Phase Out ◽  
Organic And Inorganic Fertilizers

Investigation was carried out from June to August 2009. A total of 40 fish farmers were selected from northwest two upazila namely Debigonj (n=20) and Boda (n=20) where both men and women were targeted. Focus group discussion (FGD) and cross-check interview were conducted to get an overview on carp farming. From 1991-1995, 1996-2000 and after 2000; 17.5%, 45% and 37.5% of fish farmers started carp farming respectively. Average 77.5% of farmers acquired training from NFEP project while 10% of them from government officials. There were 55% seasonal and 45% perennial ponds with average pond size 0.09 ha. After phase out of NFEP project, 92.5% of fish farmers followed polyculture systems, while only 7.5% of them followed monoculture ones. Farmers did not use any lime, organic and inorganic fertilizers in their ponds before association with NFEP project. They used lime, cow dung, urea and T.S.P during pond preparation at the rate of 247, 2562.68, 46.36 and 27.29 kg.ha-1.y-1 respectively where stocking density at the rate of 10,775 fry.ha-1 after phase out of the project. Feeding was at the rate of 3-5% body weight.fish-1.day-1. Rice bran, wheat bran and mustard oil cake used at the rate of 1920, 220 and 110 kg.ha-1.y-1 respectively by 85% of fish farmers but 15% of them did not used any feed. Before NFEP project, average pond production was 408.55 kg.ha-1 but after phase out the project, fish production was 2,861.08 kg.ha-1. Peak culture and harvesting period lied from April to December and from November to January. Average 92.5% of farmers improved their livelihood through carp farming. Fish farming was affected due to low water depth and drought conditions. Keywords: NFEP; Fish farming parameters; Pond production; Livelihood approach DOI: 10.3329/jbau.v8i2.7942 J. Bangladesh Agril. Univ. 8(2): 305-311, 2010

scholarly journals Fish Production Technology of Small Scale Fish Farmers at Chaugachha Upazila under Jashore District of Bangladesh

2020 ◽  
pp. 1-6
Author(s):  
Md. Rasal Ali ◽  
B.M. Newaz Sharif
Keyword(s):  
Organic Fertilizer ◽  
Stocking Density ◽  
Fish Farming ◽  
Mustard Oil ◽  
Small Scale ◽  
Cow Dung ◽  
Just Culture ◽  
Mustard Oil Cake ◽  
Supplementary Feed ◽  
Rural Appraisal

The study was conducted on the fish farmer, which was situated at Chaugachha Upazila, Jashore, from October 2015 to April 2016. Data were collected using participatory rural appraisal (PRA) tools and personal observation. About 62% of the farmers have ponds of single, and 38% have multiple ownership. The homestead and commercial ponds were 79% and 21%, respectively. About 100% farmer carried out poly-culture fish farming though they did not know poly-culture just culture of various fishes. About 98% of the farmers control aquatic weeds manually. For controlling undesirable species, most of them (95.74%) used the netting method. Liming used 185. 3-247 kg/ha and organic fertilizer, mainly cow dung used 741-1235 kg/ha. Average stocking density was found to be 12326 fry/ha. 91.5% of the farmers applied supplementary feed, such as both rice-bran and mustard oil-cake. The peak harvesting period was found from December to January. In this season, around 65% of the stocked fishes were reported to harvest, and the rest of the fish (35%) was harvested during another season.

scholarly journals Some pecularities of feeding of paddlefish (Polyodon spathula (Walbaum, 1792)) in the process of its growing to the marketable weight in ponds of Ukranian Polissia

2021 ◽  
pp. 56-65
Author(s):  
B. Hankevych ◽  
◽  
O. Tretiak ◽  
T. Hryhorenko ◽  
O. Kolos ◽  
...  
Keyword(s):  
Digestive Tract ◽  
Food Supply ◽  
Feeding Habits ◽  
Stocking Density ◽  
Aquatic Organisms ◽  
Fish Farming ◽  
Natural Food ◽  
Average Weight ◽  
Fish Production ◽  
Study Results

Purpose. To investigate peculiarities of feeding of paddlefish during the second year of life in polyculture with carp fish in ponds of Ukrainian Polissia. Methodology. A North American zooplanktophage belonging to sturgeons, the paddlefish was reared in polyculture with carp, hybrids of silver and bighead carps, as well as grass carp in pond with areas of 1 hectare on natural food supply. Development of the natural food supply was stimulated by applying cattle manure into ponds at an amount of 1 ton/ha. The stocking density of age‒1 paddlefish with an average weight of 143 g was 150 ind./ha, The total stocking density of all polyculture objects was 520 ind./ha. The determination of the nutritional and growth characteristics of fish, the qualitative composition of forage aquatic organisms and their biomass was carried out using well‒known methods. The main physicochemical parameters of water quality were investigated during fish rearing using generally accepted recommendations in fish farming and hydrochemistry. Findings. The environmental conditions of the pond mainly met the biological requirements for the studied aquaculture objects. A periodic decrease in dissolved oxygen concentration to 1.5‒2.0 mgO2/dm3 was observed, which could slow down fish growth. During sampling to determine the feeding habits of paddlefish, the zooplankton biomass in the pond varied within 1.11‒6.44 g/m3, with the predominance of Cladocera and Copepoda. At the end of the study period, age‒1+ paddlefish reached an average weight of 979.0 g with a fish production of 120.4 kg/ha and a survival rate of 82.0%. The total fish production for all polyculture objects was 502.3 kg/ha. The average digestive tract fullness index of paddlefish varied within 199.72‒459.0030/000. The diet of paddlefish was dominated by lower crustaceans with a predominance of Cladocera (65.28‒86.23%). The role of Copepoda in paddlefish nutrition increased at the end of the culture season (up to 32.76%). Rotifera and other forage aquatic organisms did not have a significant value in the paddlefish diet (up to 3.85%). A significant amount of detritus swallowed by fish was observed (13.43‒31.31% of the digestive tract content). A selectivity in the consumption of paddlefish of various groups of zooplankton organisms was noted with the selectivity index for Cladocera at the level of 1.23‒1.48. Originality. New data were obtained on the feeding habits of paddlefish in Ukrainian Polissia. Practical value. The study results are an integral part of the database for the development of improved technologies for pond fish farming in Ukraine. Key words: paddlefish, pond aquaculture, fish polyculture, natural food supply, fish feeding.

Modern features of aquaculture of cyprinids in the republic of Iraq

2020 ◽  
pp. 6-14
Author(s):  
Farhan Yasin Hamed ◽  
Adelia Zakirovna Anokhina ◽  
Natalia Viktorovna Sudakova ◽  
Damelya Kazhigalievna Magzanova
Keyword(s):  
Silver Carp ◽  
Stocking Density ◽  
Fish Farming ◽  
Pond Water ◽  
Government Support ◽  
Bighead Carp ◽  
Ctenopharyngodon Idella ◽  
Natural Food ◽  
Hypophthalmichthys Molitrix ◽  
Fish Farms

It is shown that the leading role in the aquaculture of Iraq belongs to Cyprinids, which account for over 80 % of all fish farming production. The most widespread in the country are four main world species of carp aquaculture: common carp (Cyprinus carpio), grass carp (Ctenopharyngodon idella), silver carp (Hypophthalmichthys molitrix) and bighead carp (Aristichthys nobilis). Basically, the traditional technology of growing Cyprinids in ponds is used, which includes the main fish farming processes: care of broodstock to prepare them for spawning, collecting eggs and milt, eggs fertilization and incubation of embryos, raising juveniles and marketable fish. Currently, there are about 2 thousand private fish farms, which have ponds of various sizes from 4 to 100 hectares. Cultivation of Cyprinids in Iraq is carried out mainly by extensive methods: the use of the natural food base of reservoirs with low fish stocking density in polyculture. The fish productivity of ponds varies greatly in different fish farms from 1,5 to 6 t/ha, which is due to economic reasons. The data on changes in the temperature of pond water during the year and hydrochemical indicators are given, which shows favorable conditions for Cyprinids rearing. Information on the use of compound feeds for growing carp in ponds is provided, and data on the composition and nutritional value of the feed used. The fish culture indicators for the main biotechnical processes of the rearing of four Cyprinid species in Iraq are described in detail. In the conclusion, it is indicated that for the effective development of aquaculture in Iraq, government support is needed in the form of a developed long-term program and legislative acts.

scholarly journals Effect of dietary supplementation of minerals premix on growth performances and return in red tilapia (Oreochromis nilloticus x Oreochromis mossambicus)

2020 ◽  
Vol 2 (1) ◽  
pp. 23-28
Author(s):  
Krasindh Hangsapreurke ◽  
Boonyarath Pratoomchat ◽  
Jiranan Seetaikum ◽  
Nissara Kitcharoen
Keyword(s):  
Production Cost ◽  
Stocking Density ◽  
Daily Weight Gain ◽  
Water Volume ◽  
Average Weight ◽  
Fish Production ◽  
Red Tilapia ◽  
Mineral Supplementation ◽  
Significant Difference ◽  
Concrete Tank

Tilapia is a popular fish for consumers and aquaculture in every part of Thailand. This study was conducted to determine the level of mineral supplementation in the diet for the growth of red tilapia fingerlings, which gave the lower fish production cost. The fingerlings with an initial average weight of 3.1 ± 0.48 g and a length of 2.5±0.24 cm were raised in 3 m3 concrete tank with 1.5 m3 of water volume at 20 fish/m2 stocking density. Fish were fed with pellets diet (28 % crude protein), which contained different levels of mineral supplements (0 (control), 20 and 40 g/Kg) in triplicate replications. The experiment was conducted within 80 days. The results showed that fish fed with diet3 had better average daily weight gain (ADG) and food conversion ratio (FCR) than diet2 and diet1 significantly (P<0.05). The ADG and FCR of fish fed with diet3 showed 0.70 ± 0.02, 1.72 ± 0.02 respectively, but there was a non-significant difference in survival rate from all treatments (P>0.05), and the fish production cost of diet 3 is lower than those in diet1 and diet2. Thus, this experiment concluded that minerals supplementation at the level 40 g/kg diet were suitable for tilapia aquaculture.

scholarly journals Effects of Organic and Inorganic Fertilizers on the Growth Performance of Carps in Earthen Ponds through Polyculture System

Our Nature ◽  
1970 ◽  
Vol 9 (1) ◽  
pp. 16-20 ◽  
Author(s):  
S. Jasmine ◽  
F. Ahamed ◽  
S.H. Rahman ◽  
M.A.S. Jewel ◽  
M.Y. Hossain
Keyword(s):  
Growth Performance ◽  
Stocking Density ◽  
Daily Basis ◽  
Mustard Oil ◽  
Catla Catla ◽  
Total Production ◽  
Fish Production ◽  
Hypophthalmichthys Molitrix ◽  
Earthen Ponds ◽  
Organic As

Aquaculture is the fastest-growing food-producing sector in the World and has exhibited continuous improving in total production throughout the recent decades. A carp polyculture experiment was carried out to evaluate the growth performance of major carps in semi-intensive fish culture system. Two earthen ponds located at Kadirganj of Boalia thana under Rajshahi district of Bangladesh were selected to study the effect of fertilizer (organic as cowdung and in-organic as triple super phosphate) in supplemented ponds on the growth of carps. Pond -01 was fertilized with cowdung and TSP at the rate of 1728 and 20 kg/h respectively, at 10-day intervals. Pond -02 was without fertilizer. Each pond was stocked with 30% Labeo rohita, 20% Catla catla, 15% Cirrhinus mrigala, 15% Hypophthalmichthys molitrix, and 20% Cyprinus carpio with a total stocking density of 10000/ha. Both ponds were supplemented with mustard oil cake, rice bran and maize bran at the rate of 2.5 kg/ha for each, given for a period of six months as daily basis. The net fish production was found to be 2605 and 1795 kg/ha/year in pond -01 and pond -02, respectively. The results showed that fish production was significantly higher in pond -01 than pond -02 (P<0.05). Pond -01 showed 1.45 times greater fish production than that of pond -02. The results of this study provided invaluable information for the sustainable aquaculture, as well as providing an important baseline for future studies within Bangladesh and surrounding developing countries.DOI: http://dx.doi.org/10.3126/on.v9i1.5727

scholarly journals PROFITABILITAS DAN KERAGAAN PERTUMBUHAN BENIH IKAN Tor tambroides DENGAN FREKUENSI PAKAN YANG BERBEDA

2018 ◽  
Vol 17 (2) ◽  
Author(s):  
Jojo Subagja ◽  
Deni Radona
Keyword(s):  
Production Cost ◽  
Feeding Strategy ◽  
Stocking Density ◽  
Fish Growth ◽  
High Price ◽  
Research Station ◽  
Total Biomass ◽  
Growth Character ◽  
Feed Protein ◽  
High Production Cost

Fish of Tor genus have a slow growth character that resulted in increasing production cost. The high production cost is related to the high price of feed. Fish growth can be triggered by an optimal feeding. A feeding strategy is needed to improve the efficiency of production cost. This study aimed to determine the profitability and the performance of the seedling thai mahseer fish with different feeding frequencies. This study was conducted in Germplasm Research Station, Cijeruk in March-April 2014. The fish used in the experiment have a standard length of 2.29 ± 0.12 cm and weight of 0.32 ± 0.07 g derived from induced breeding spawning of the broodstock natural catches which was adapted for four years in pond concrete. The fish were reared in the aquarium (dimension= 40 x 30 x 30 cm) with a water height of 20 cm and a stocking density of 50 individuals each. The experiment was designed by using three treatments and three replications for each treatment. Fish were feed using commercial feed (protein content = 28%) as much as 20% per day of the total biomass. The treatment observed was feeding frequency, namely (A) three times/day, (B) twice/day, (C) once/day. Results of the experiment for 40 days showed that the increasing values of length, weight, specific growth rate, survival rate, biomass and FCR were not significantly difference (P>0.05). The highest benefit value was obtained in the treatment of feeding with a frequency of three times/day (Rp. 332.304 ± 14.819,-).

scholarly journals Comparison Of Growth Performance Through Different Levels Of Supplementary Feed In Fish Polyculture System

2016 ◽  
Vol 42 (2) ◽  
pp. 229-234
Author(s):  
Nazia Sultana ◽  
Md Abu Sayed Jewel ◽  
Md Rashedul Kabir Mondol
Keyword(s):  
Growth Performance ◽  
Stocking Density ◽  
Fish Farming ◽  
Ctenopharyngodon Idella ◽  
Catla Catla ◽  
Net Benefit ◽  
Net Profit ◽  
Supplementary Feed ◽  
Benefit Cost ◽  
Different Levels

An experiment was carried out to evaluate the growth performance of carp polyculture system supplemented with different levels of supplementary feed. To undertake this investigation, two earthen ponds were stocked with 25% Labeo rohita, 25% Catla catla, 20% Labeo calbasu, 20% Ctenopharyngodon idella and 10% Hypopthalmichthys molitrix with a total stocking density of 10000/ha. The net fish production was found to be 2,166 and 3,874 kg/ha/yr in pond-01 and pond-02, respectively. The total cost of fish farming of pond-01 and pond-02 were 64,268 BDT and 88,568 BDT per ha. The total return of pond-01and pond-02 were BDT 1,04,280 BDT and 1,69,250 BDT per ha. Net benefit from pond-01 and pond-02 was 40,312 BDT and 80,682 BDT respectively. Net profit margin of pond-01 and pond-02 was 62.73% and 91.10%. And finally the benefit cost ratios (CBR) were found to be 0.62:1 and 0.91:1 in pond-01 and pond-02, respectively. Asiat. Soc. Bangladesh, Sci. 42(2): 229-234, December 2016

scholarly journals Impact of Fish Population Density on Growth and Production of Sarpunti, Mrigal and Tilapia in Polyculture System

2015 ◽  
Vol 6 (2) ◽  
pp. 49-53
Author(s):  
SN Chowdhury ◽  
M Paul ◽  
AC Barman ◽  
A Bhadra ◽  
MS Rahman
Keyword(s):  
Population Density ◽  
Oreochromis Niloticus ◽  
Specific Growth ◽  
Survival Rates ◽  
Stocking Density ◽  
Fish Population ◽  
Fish Production ◽  
Initial Length ◽  
Specific Growth Rates ◽  
Supplementary Feed

An experiment was conducted to determine the impacts of fish population density on the growth and production of sarpunti (Barbonemus gonionotus), mrigal (Cirrhinus mrigala) and tilapia (Oreochromis niloticus) in polyculture system for a period of 90 days in six earthen pond .The experiment was carried out under three treatments each with two replications. The stocking density was 50 fish per decimal (sarpunti 20, mrigal 20 and tilapia 10) under treatment-I, 75 fish per decimal (sarpunti 30, mrigal 30 and tilapia 15) under treatment-II and 150 fish per decimal (sarpunti 60, mrigal 60 and tilapia 30) under treatment- III and all the ponds under three treatments supplementary feed was not used. The average initial length and weight of the fingerlings of sarpunti, mrigal and tilapia were 13.29 cm, 12.80 cm, 4.55cm and 22.7g, 23.75g and 3.84 g respectively. The ponds were fertilized fortnightly with cowdung, urea and TSP at the rates of 5 kg, 100 g and 200g per decimal, respectively. Mean survival rates of fish under treatment-I, treatment-II and treatment-III were 87.50%, 88.16% and 81.30% respectively. The specific growth rates (SGR, % per day) of fish under treatment-I, treatment-II and treatment-III were 1.13%, 1.03% and 0.80%. The calculated net fish production of the ponds under treatment-I was 1.61 ton/ha/yr and that of the ponds under treatment-II was 1.97 ton/ha/yr and 2.5 ton/ha/yr in treatment-III.DOI: http://dx.doi.org/10.3329/jesnr.v6i2.22095 J. Environ. Sci. & Natural Resources, 6(2): 49-53 2013

scholarly journals Existing Status and Practices of Fish Farming in Trishal Upazila of Mymensingh District

2014 ◽  
Vol 24 (1-2) ◽  
pp. 191-201 ◽  
Author(s):  
S Sheheli ◽  
K Fatema ◽  
SM Haque
Keyword(s):  
Impact Analysis ◽  
Low Cost ◽  
Marketing Channel ◽  
Fish Farming ◽  
Structured Interview ◽  
Fish Production ◽  
Interview Schedule ◽  
High Production ◽  
High Production Cost ◽  
The Impact

The study was conducted to investigate the existing status and practices of fish farming. A total of 100 farmers were interviewed by using a structured interview schedule from three villages (Porabari, Mathabari and Vabanipur) of Trishal upazila of Mymensingh district at their houses and/or farm sites during January to May 2013. Most of the farmers (89%) made profit from fish production. The study confirmed that most farmers have improved their socio-economic conditions through fish production which plays an important role in increasing income, food production and employment opportunities. Five major areas are identified to improve the existing fish farming situation, which are quality fry, credit facilities, low-cost quality feed, training, and marketing channel. The impact analysis of fish farming on livelihood of fish farmers shows that overall 64% fish farmers have increased overall livelihood from fish farming during the last four years (2010-2013). Access to micro-credit, provide good quality input such as fry, feed, vaccines, etc., market facilities, supply of improve technologies, and provide training all lead to increased fish production. The constraints index (CI) analysis shows that overall 74% fish farmers faced medium constraints for fish farming. A total of nine (9) main constraints identified hindering their fish farming, and major constraints are high production cost, lack of technical knowledge and inadequate supply of good quality fry etc.DOI: http://dx.doi.org/10.3329/pa.v24i1-2.19172 Progress. Agric. 24(1&2): 191 - 201, 2013

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