scholarly journals Assessment of catfish farming in Osogbo (Nigeria) and its environs

2015 ◽  
Author(s):  
Kehinde Moruff Adelakun ◽  
Rosemary Patrick Amali ◽  
Damilare Ibukun Ogundiwin ◽  
Kayo Bakare
Keyword(s):  
Protein Production ◽  
Fish Farming ◽  
Business Growth ◽  
Fish Farms ◽  
Face To Face ◽  
Large Numbers ◽  
Earthen Ponds ◽  
Commercial Farms ◽  
Islam And Christianity ◽  
Intensive System

As Fish farming (Aquaculture) is the most efficient husbandry method for animal protein production, an assessment of catfish farming in Osogbo and Osun state was undertaken. An assessment was carried out among 53 catfish farmers between January and April, 2013 using questionnaires conducted via face-to-face interviews. The results revealed that there are large numbers of fish farms in and around the Osogbo area. Twenty (37.74%) of the fish farms are commercial farms while thirty-three (62.36%) are homestead. Results also showed that there were more males are than females working in these fish farms. The two prominent religious faiths, Islam and Christianity are both represented by the employees, indicating that it there are no religious restrictions. The semi-intensive system of fish farming with concrete and earthen ponds was being adopted by the farmers and there has been steady development over the last five years. Insufficient funds for expansion, unpredictable weather, fishseed mortality, irregular price of feed ingredients and pricing of products, among other factors, are the major challenges faced. Useful suggestions and recommendations are offered to address these challenges and sustain business growth.

scholarly journals Assessment of catfish farming in Osogbo (Nigeria) and its environs

2015 ◽  
Author(s):  
Kehinde Moruff Adelakun ◽  
Rosemary Patrick Amali ◽  
Damilare Ibukun Ogundiwin ◽  
Kayo Bakare
Keyword(s):  
Protein Production ◽  
Fish Farming ◽  
Business Growth ◽  
Fish Farms ◽  
Face To Face ◽  
Large Numbers ◽  
Earthen Ponds ◽  
Commercial Farms ◽  
Islam And Christianity ◽  
Intensive System

As Fish farming (Aquaculture) is the most efficient husbandry method for animal protein production, an assessment of catfish farming in Osogbo and Osun state was undertaken. An assessment was carried out among 53 catfish farmers between January and April, 2013 using questionnaires conducted via face-to-face interviews. The results revealed that there are large numbers of fish farms in and around the Osogbo area. Twenty (37.74%) of the fish farms are commercial farms while thirty-three (62.36%) are homestead. Results also showed that there were more males are than females working in these fish farms. The two prominent religious faiths, Islam and Christianity are both represented by the employees, indicating that it there are no religious restrictions. The semi-intensive system of fish farming with concrete and earthen ponds was being adopted by the farmers and there has been steady development over the last five years. Insufficient funds for expansion, unpredictable weather, fishseed mortality, irregular price of feed ingredients and pricing of products, among other factors, are the major challenges faced. Useful suggestions and recommendations are offered to address these challenges and sustain business growth.

scholarly journals Economics of Fish Farming in Concrete Ponds, Private Ownership of Fish Farms in Developing Countries: The Case of Nigeria

2020 ◽  
pp. 1-5
Author(s):  
Babagana Zanna ◽  
◽  
Mohammed Musa ◽  
Keyword(s):  
State Government ◽  
Poverty Reduction ◽  
Financial Analysis ◽  
Fish Farming ◽  
Private Ownership ◽  
Income Generation ◽  
Fish Farms ◽  
Internally Displaced ◽  
Face To Face ◽  
Internally Displaced Person

The setting up of concrete ponds fish farm in a full plot of land with N10,000,000 capital needed as cash on interest free loan basis payable in five (5) years period with the sole aim of making profit was projected. The management was based on polyculture of catfishes (Clarian gariepinus). Data for the study was collected through face to face interview and the use of checklist from the 22nd of May to 27th of July, 2019. Based on financial analysis an interest free loan of N10,000000 was required, payable within a period of 5years, a good return on investment was realized. In addition, the state government was encouraged to empower the populace to engage in aquaculture fish production system. Government fish farms that are no longer operational were recommended for privatization and or commercialization on revival for the provision of more employment, income generation and poverty reduction, especially among the internally displaced person (IDP) in Nigeria.

Experiences and lessons learned from six years of government-led inland aquaculture development projects in northwest Namibia, 2004-2009.

2020 ◽  
Author(s):  
Panduleni Ndinelago Elago
Keyword(s):  
Poverty Reduction ◽  
Fish Farming ◽  
Lessons Learned ◽  
Small Scale ◽  
Fish Farms ◽  
Extension Services ◽  
Freshwater Aquaculture ◽  
Large Numbers ◽  
The Government ◽  
Aquaculture Development

Abstract The Government of Namibia addresses food security and poverty reduction through the development of rural sectors, including fisheries and aquaculture. Freshwater aquaculture is recognized as a potential target for sustainable development. The Government of Namibia, together with the Government of Spain signed an agreement in 2003 to establish the Inland Aquaculture Centre (IAC), to demonstrate the possibilities of fish farming activities in the northwest of Namibia and in the country at large. Seven hundred new small-scale fish farms (SSFF's) were identified to participate in fish farming activities. Around 300+ farmers received an approximate total of 550,000 fingerlings over 5 years. With the extension of the project in 2007-2009 through strengthening of extension services on inland aquaculture development, under the 'Aquaculture in Northern Namibia' (ANN) Project umbrella, an extra 100 or more new farmers were identified. Results show that the extension services managed to assist in fish harvests for 114 SSFF's with 9560 kg of tilapia and 1556 kg of catfish harvested. The project's findings highlighted difficulties in accurately measuring fish production. Most fish farmers are located in a region where they only have enough water for fish culture during 5 months of the year. Also, many of the ponds they were using were incorrectly constructed and not suitable for fish farming. Farms in areas such as these, in hindsight, were unrealistic targets for aquaculture development, and it is the opinion of the author that it is important to re-direct effort and resources towards those able to farm with a good water supply for at least 10-12 months of the year. As of July 2010 the question remains unanswered; can fish farming in northwest Namibia be sustainable and economically viable with the current level of government extension, infrastructure and locally available resources? The author suggests that this will be possible in the next 5 years, once the government, together with the private sector and NGOs join to re-assess their current sets of objectives, which are, at present, too ambitious. Improvements could be made by implementing a better strategy, directing resources at a smaller number of sustainable, successful fish farmers rather than a larger number that include more inefficient farms. Large numbers of farms look good in policy documents, but spreading resources widely and inefficiently results in reduced net production and sustainability in the mid- to long-term.

scholarly journals Evaluation of diving operations for fish cage farming in the Aegean Sea

2021 ◽  
Vol 38 (1) ◽  
pp. 31-41
Author(s):  
Gamze Akpınar ◽  
F. Ozan Düzbastılar
Keyword(s):  
Aegean Sea ◽  
Fish Farming ◽  
Work Conditions ◽  
Abnormal Behavior ◽  
Mooring Line ◽  
Fish Farms ◽  
Face To Face ◽  
Diving Accidents ◽  
Dead Fish ◽  
Sea Cage

Mariculture represents approximate 50 percent of global aquaculture production by weight. Fish cages, which consist simply HDPE frame, netting, and mooring system, in fish farming are key elements of sea cage aquaculture. Aquaculture divers are responsible for inspection and maintenance of the underwater structures such as nets, mooring line and anchor, removing dead fish, monitoring the abnormal behavior of fish, assistance harvesting of fish and other periodic underwater works in fish cage farms. In recent years, the demand for aquaculture divers has increased in fish cage farms in both northern and southern Aegean Sea with enhancement of fish production in mariculture. On the other hand, various problems (diving accidents, faulty diving operations, lack of training etc.) related to work conditions and legal regulations of aquaculture divers have emerged. In the study, with the questionnaire consisting of 49 questions, face to face surveys were performed with 162 aquaculture divers in fish farms around Muğla and İzmir provinces between February and May 2019. Results showed the presence that there are three main problems consisting of diving regulations for professional divers, the candidate diving system and diving education which may cause fatal accidents should be improved and revised urgently.

scholarly journals Upwelling Solution Prototype Using Wireless Sensor Network

2017 ◽  
Vol 2 (2) ◽  
pp. 37
Author(s):  
Novian Anggis Swastika ◽  
Sidik Prabowo ◽  
Bayu Erfianto
Keyword(s):  
Fish Farming ◽  
Business Owners ◽  
Warning Signs ◽  
Fish Feed ◽  
Toxic Substances ◽  
Test Results ◽  
Fish Farms ◽  
Great Loss ◽  
Experiment System ◽  
Large Numbers

<span class="fontstyle0">One of the problems in the freshwater fisheries sector is the phenomenon of upwelling can occur anytime without warning signs, especially in lakes and lake. This problem causes a failed harvest and fish farming business owners suffered a great loss due to the death of fish in large numbers. Upwelling caused by toxic substances results increased nitrification from fish feces and remaining fish feed deposited at the bottom of the Lake and rises to the surface quickly. Ammonia (NH3) in the form of ionized causing no fish that are on the surface of the Lake is not enough oxygen to meet the needs of hemoglobin, so cannot bind oxygen or lack of dissolved oxygen (DO). The condition causes the death of the fish very much. This research built a monitoring system to monitor the condition of the temperature at the surface and at the underwater of the lake and to monitor DO levels to check the possibility of upwelling. Temperature sensor and DO sensor connect with microcontroller and . The results of experiment system on the area fish farms (karamba) and not the area fish farms, obtained the test results are accurate and real time.</span>

Fish farming in Denmark: environmental impact of regulative legislation

1995 ◽  
Vol 31 (10) ◽  
pp. 73-84 ◽  
Author(s):  
T. M. Iversen
Keyword(s):  
Organic Matter ◽  
Environmental Impact ◽  
Freshwater Fish ◽  
Aquatic Environment ◽  
Action Plan ◽  
Fish Farming ◽  
Fish Farms ◽  
Nitrogen And Phosphorus ◽  
Local Impact ◽  
The Impact

The main environmental problems associated with fish farming in Denmark are attributable to the dam, the “dead reach” and nutrient and organic matter discharge. The environmental regulation of fish farming in Denmark started with the Environmental Protection Act of 1974, the Statutory Order of 1985 forbidding wet feed, and the Action Plan on the Aquatic Environment of 1987. In the case of freshwater fish farms, the latter was implemented through the measures stipulated in the 1989 Statutory Order on Fish Farms. The impact of Danish legislative measures to reduce and regulate the environmental effects of freshwater fish farms can be summarized as follows: - the number of fish farms has been reduced from about 800 in 1974 to about 500 at present; - production has tripled since 1974 and has been stable since 1989; - a change from wet to dry feed has reduced the environmental impact of the farms; - the national goals of the Action Plan on the Aquatic Environment of 1987 for reducing fish farm discharges of organic matter, nitrogen and phosphorus have been fulfilled. The main remaining problems are that: - the local impact of fish farms on downstream stream quality is still much too high in about 15% of cases; - the problem of the passage of migrating invertebrates and fish is still unsolved at some farms; - the problems posed by “dead reaches” are still unsolved. It is concluded that sustainable fish farming is possible in Denmark, but with the present technology production will have to be significantly reduced.

Environmental impact of nutrients from nordic fish farming

1995 ◽  
Vol 31 (10) ◽  
pp. 61-71 ◽  
Author(s):  
M. Enell
Keyword(s):  
Major Part ◽  
Fish Farming ◽  
Fish Farms ◽  
Feed Composition ◽  
The North ◽  
Comprehensive Development ◽  
The Baltic ◽  
Inland Water Bodies ◽  
The Impact ◽  
Feed Coefficient

During the last 20 years there has been an interesting development of the Nordic fish farming, with regard to the feeding and farming technology and to the increase in production quantities. During the period 1974-1994 the production increased from 15,800 to about 250,000 tonnes/year. In 1974 the major part of the production was in Denmark, and in 1994 the major part was in Norway. The nutrient impact of fish farming on surrounding sea areas is mainly a function of the feed coefficient, the feed composition and metabolic processes in the fish. The comprehensive development of the feed composition and the feeding technology has resulted in reduced load of unmetabolized nutrients from fish farms, calculated per tonne fish produced. In 1974 the mean Nordic feed coefficient was 2.08 and in 1994 the coefficient was 1.25. Feed coefficients of 1.0-1.1 are now reported for Danish and Norwegian freshwater and marine fish farms. The nitrogen (N) and phosphorus (P) content of the feed has decreased, in addition the quality of the nutrient substances in the feed has changed, especially for N. The N content has decreased from 7.8 to 6.8% during the period 1974-1994 and the content of P has decreased from 1.7 to 0.7% during the same period. This development of the feed coefficient and the feed composition has resulted in a present load from a typical Nordic fish farm of 55 kg N and 4.8 kg P/t fish produced. The figures for 1974 were 132 kg N and 31 kg P/t fish produced. The Nordic fish farming production in 1994 resulted in a load of about 13,750 t N and about 1,200 t P on the actual recipients. The load from the Swedish, Finnish and Danish fish farming operations, with the Baltic Sea and the Skagerrak as the recipients, is negligible in comparison with other pollution sources. The quantities of N and P from the fish farming are equal to 0.5% of the atmospheric deposition on the sea surface and 3% of the atmospheric P load. Norwegian, Icelandic and the Faroe Islands fish farming operations are using the North Sea and the Norwegian Sea as the recipients. However, the nutrient load from single fish farms in certain coastal and inland water bodies can be significant and must be considered in the impact assessment together with other sources.

Growing commodity tilapia in various experimental conditions

2020 ◽  
pp. 26-36
Author(s):  
F. A. Altayeva
Keyword(s):  
Fish Farming ◽  
Biological Indicators ◽  
Fish Farms ◽  
Experimental Conditions ◽  
Fish Breeding ◽  
Closed Water ◽  
The Republic ◽  
Short Time ◽  
High Fish ◽  
Experimental Ponds

The article presents the results of growing tilapia to marketable weight in experimental sites (Chilikskoye pond pond farms LLP, KATU named after S. Seifullin JSC and Kapshagai spawning farm — 1973 LLP). In the process of carrying out research works, the methods generally accepted in fish farming, hydrochemistry, hydrobiology, hydrology, ichthyology, as well as foreign normative and technical guidelines and methodological instructions on the technology of growing commercial tilapia in industrial conditions were used. Monitoring of hydrochemical analyses of water in ponds, swimming pools, and closed water supply installations is given. Fish-breeding and biological indicators of tilapia grown in various experimental conditions are presented. The results of the studies have shown the real possibility of growing tilapia in various conditions of fish farms in Kazakhstan. Based on the results of the work, the following conclusions were made: — satisfactory fish-breeding indicators were obtained with various cultivation technologies (as when growing tilapia in polyculture and monoculture in ponds, in pools, as well as cultivation in the recirculation system); — the cultivation of tilapia in the experimental ponds of the fish farm of the Almaty region of the Republic of Kazakhstan has shown the possibility of obtaining high fish-breeding biological indicators of tilapia and the ability to grow to marketable mass in a short time; — as a result of experimental cultivation in various conditions, it was found that the survival rate was not lower than 97%; — as a result of the analysis of the profitability indices of the developed technologies, it was found that the most profitable was the technology of growing marketable tilapia products in monoculture ponds on water with a natural thermal regime in Chilik Pond Economy LLP.

PREVENTIVE MEASURES IN BREEDING FISHING FARMS: ECOLOGICAL AND VETERINARY ADDITIONS

2018 ◽  
Vol 1 (1) ◽  
pp. 84-89
Author(s):  
A. M. Naumova ◽  
◽  
L. A. Rozumnaya ◽  
A. Yu. Naumova ◽  
L. S. Loginov ◽  
...  
Keyword(s):  
Preventive Measures ◽  
Fish Farming ◽  
Fish Health ◽  
Fish Farms ◽  
Scientific Publications ◽  
Commercial Fish ◽  
Fish Products ◽  
Contagious Diseases ◽  
Veterinary Research ◽  
Significant Damage

The influence of ecological, epizootological and technological factors on fish health was studied. It is shown that disregard of environmental, technological and veterinary-sanitary requirements in the reproduction and cultivation of fish leads to the emergence of contagious and non-contagious diseases and causes significant damage to fish farming. The analysis of previously approved veterinary and sanitary rules, instructions, recommendations for breeding and commercial fish farms, as well as patent documentation and scientific publications in the field of ecological and veterinary research in fish farming is carried out. The possibility of using modern ecological and veterinary-sanitary achievements for the protection of fish health is shown. The complex system of preventive measures (organizational, environmental-technological and veterinary-sanitary), supplemented by modern ecological and veterinary achievements, in its implementation will allow to reduce losses of fish products and increase efficiency of production.

scholarly journals Economics of ornamental fish farming industry in Madurai District, Tamil Nadu

2017 ◽  
Vol 64 ◽  
Author(s):  
T. Umamaheswari ◽  
M. Rajakumar ◽  
P. Chidambaram
Keyword(s):  
Tamil Nadu ◽  
Sampling Technique ◽  
Fish Farming ◽  
Ornamental Fish ◽  
Expected Profit ◽  
Profit Margin ◽  
Fish Farms ◽  
The Cost ◽  
Farming Industry ◽  
Ranking Technique

India has enormous potential for the development of ornamental fish business. Although the country has conducive environmental conditions for breeding and culture of ornamental fishes, its share in export of ornamental fishes is less than 1%. The present study was undertaken to address the constraints prevailing in ornamental fish farming. Study was carried out among 44 ornamental fish farms in Madurai District, Tamil Nadu by adopting random sampling technique. The selected farms were classified into small (<0.5 ha) and medium farms (0.5-2 ha) and the data were collected by personally interviewing the fish farmers. The study attempted to analyse the socio-economic characteristics of respondents, existing supply chain, constraints involved in ornamental fish farming, annual revenue loss due to major constraints, treatment cost and expected profit margin. Various constraints were classified as production, marketing and others and were ranked using Garrett ranking technique. Tabular and percentage analyses were used to estimate the cost of treatment, revenue loss and expected profit margin. Four types of marketing channels were observed in the study area. Disease outbreak was found to be the major constraint faced by the farmers and hence, the revenue loss was estimated for the same. The annual revenue loss was found to be higher for the small ornamental units when compared to medium farms, which showed higher profit margin than small ornamental fish farms.

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