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Academic literature on the topic 'Fish ponds Catfishes'
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Journal articles on the topic "Fish ponds Catfishes"
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Morrison, John R., Steven R. Fox, and Wilmer A. Rogers. "Control of an Infestation of a Fish Leech (Myzobdella lugubris) on Catfishes in Tanks and Earthen Ponds." Journal of Aquatic Animal Health 5, no. 2 (1993): 110–14. http://dx.doi.org/10.1577/1548-8667(1993)005<0110:coaioa>2.3.co;2.
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DAS, RAKHI, MD SHARIFUL ISLAM, and KHAN KAMAL UDDIN AHMED. "Polyculture potentials of Galda (Macrobrachium rosenbergii) with Heteropneustes fossilis and Clarias batrachus in South-western coastal ghers of Bangladesh." Bangladesh Journal of Fisheries 32, no. 1 (2020): 29–38. http://dx.doi.org/10.52168/bjf.2020.32.04.
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Prawn (Macrobrachium rosenbergii) culture is socially more acceptable, technically and economically viable and sustainable. The freshwater catfishes Heteropneustes fossilis (shing) and Clarias batrachus (magur) adapt well to hypoxic water bodies and high stocking densities as well. So, shing and magur may be a good candidate to culture with prawn in ponds/ghers to save the farmers from losing their investment in case of shrimp mortality and getting additional income from fish. With this view, this study was conducted to evaluate the feasibility of polyculture with three treatments each with three replications. Stocking density of shing was variable i.e., 200nos/decimal in T1, 300nos/decimal in T2 and 400 nos/decimal in T3. On the other hand, stocking density of magur and prawn juveniles was 50 and 30 nos/decimal respectably for all treatments. The experimental ghers were treated with salt (NaCl) (150g/decimal), potasium permanganate (5g/decimal) along with lime (125 kg/ha). After stocking fish were fed using floating nursery feed containing 32%, protein and 7% lipid at the rate of 10-2% for shing and magur nursing, floating oil coated grower feed (27% protein and 6% lipid) at the rate of 6-2% for shing and magur grow out and prawn grower (30% protein and 7% lipid) at the rate of 6-2.5% of estimated fish and prawn biomass. At least 10% of stocked catfish and galda were sampled fortnightly using cast net. Physico-chemical parameters of the experimental ghers water were monitored at weekly. After six months of culture the highest growth performance (47.0 g) and survival (19.94%) for shing obtained from T3. Whereas the average growth of shing was recorded 37.02 and 41.14g; growth of magur 99.21g and 99.51g and growth of galda 69.74 and 70.19 for Treatment T1 and T2 respectively. Except ammonia and iron content the other observed parameters of ghers water found congenial for fish health. The value of Benefit-Cost Ratio (BCR) was 1.4 that seems to be profitable and feasible of this polyculture practice.
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Hossain, Md Alamgir, Md Motaher Hossain, Md Golam Rasul, and Mohammad Abu Jafor Bapary. "Public health and hygienic condition of retailers at fish markets in Sylhet Sadar of Bangladesh." Brazilian Journal of Biological Sciences 6, no. 12 (2019): 251–61. http://dx.doi.org/10.21472/bjbs.061223.
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The hygienic and sanitary conditions of majority of the retail fish markets are very poor and unhealthy that may have an impact on fish retailers. The present study was conducted in two retail fish markets located in Kajirbazar and Bondorbazar, in Sadar Sylhet, to assess the hygiene and sanitary condition of fish retailers. Information was collected through questionnaire interview and participatory rural appraisal (PRA) from the retailers and other value chain stakeholders. It was found that about 82% of fish retailers were permanent in these retail markets. The retailers are mainly involved in selling various species of fishes such as carps, catfishes, tilapia, koi, hilsa, shrimp and other small indigenous fishes. The sources of these fishes are mainly of nearby haors, river and ponds. The retailers get fishes from various suppliers and also collected from producers. The income level of fish retailers is relatively low although they are trying to improve their socio-economic conditions. Besides, about 9% of the retailers do not have any formal education whereas 70% and 21% have their education in primary and secondary level, respectively. Although the majority of the retailers were found literate, however, their knowledge on public health was seemed to be very poor. Due to lack of proper knowledge on public health, they are frequently affected by various diseases such as common cold, diarrhea, lesion, fever, skin disease and so on. Particularly, 48% of the fish retailers are affected by the lesion on hands, and 31% and 27% of retailers have been affected by the lesion between fingers or toes, respectively. About 20% of the retailers do not have adequate knowledge on fish quality or benefit of using ice in fish preservation in retail markets. Considering all together, the present study revealed that the retailers operated fish markets are ill-managed, unhygienic and unsatisfactory. The lack of proper fish preservation facilities, poor water supply and unplanned infrastructures are generally regarded as a noticeable problem in the retail markets. In addition, the lack of retailer’s education, consciousness about fish quality, lack of training on hygienic and sanitary conditions are seemed to be involved in spoiling or deteriorating fish quality before reaching to the consumers. Therefore, the proper education and training on hygienic and sanitary conditions as well as sufficient knowledge on maintaining fish quality is required for retailers involved in fish retailing in the markets. It can be concluded that the improvement of relevant facilities of fish markets and proper supervision by respective authorities can ensure the better public health for retailers and safe fish food for consumers.
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Das, Partha Sarathi, M. Mahfujul Haque, M. Mehedi Alam, Shamima Akter, and M. Ruhul Amin. "An understanding on the feasibility of aquaponics in intensive aquaculture pond." Research in Agriculture Livestock and Fisheries 2, no. 1 (2015): 143–50. http://dx.doi.org/10.3329/ralf.v2i1.23046.
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The study was conducted in a peri-urban village named, Panchpy under Gafargaon upazila of Mymensingh district with stinging catfish (Heteropneustes fossilis ) and carps ponds to produce aquaponics vegetable kolmi (water spinach, Ipomoea aquatica ) towards using waste substances of intensive stinging catfish ponds. Aquaponic plant (water spinach, Ipomoea aquatica ) was grown in floating trays in the selected ponds. The water quality parameters including, temperature, pH, dissolved oxygen, nitrite and ammonia were measured during study period.The level of ammonia was higher in catfish pond compared to carps pond water. Inversely, the dissolved oxygen content of catfish pond water was lower than that of carps pond. In the stinging catfish pond, the mean value (± SE) of plant length, weight, number of branches and leaves were recorded at 27.67 ± 1.76, 62.67 ± 2.03, 13.00 ± 1.15 and 55.33 ± 3.18, respectively. The corresponding values 19.33 ± 1.45, 46.67 ± 1.86, 9.33 ± 1.45 and 43.00 ± 2.88, respectively in carps pond, were significantly lower than that of catfish pond. Overall the percent weight gain of kolmi was higher in catfish pond. A positive correlation was found between the length and weight of kolmi produced in both catfish and carp ponds, however R2 value of that relationship was higher for catfish pond due to higher level of available waste nutrients in water. This indicates that the potential of aquaponics research and development in intensively feed catfish aquaculture ponds at the farmer level that can feed the growing population in both rural and urban areas of Bangladesh.Res. Agric., Livest. Fish.2(1): 143-150, April 2015
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Martin, J. F. "The Use of Sodium Carbonate Peroxyhydrate to Treat Off-Flavor in Commercial Catfish Ponds." Water Science and Technology 25, no. 2 (1992): 315–21. http://dx.doi.org/10.2166/wst.1992.0067.
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Sodium carbonate peroxyhydrate (SCP) was applied to seven commercial catfish ponds in Mississippi to study the effects of treatment on fish flavor and pond ecology. The seven ponds were treated on alternate days in the morning with two doses of SCP at 55 kg hectare−1 (average depth 1-1.6 m). In three of the ponds, a potent 2-methylisoborneol (MIB) producing planktonic Oscillatoria chalybea-like species that was initially present was absent from the water column after treatment. In addition, the fish from two of these ponds were judged on-flavor 7 to 10 days after treatment. The off-flavor chemicals in three other ponds were diminished when measured seven days after treatment and fish were harvested from two of these ponds 10-14 days after treatment. The fish from the other two ponds were harvested 21 days after treatment. In the sixth pond, the predominant algal species was a 2-methylisoborneol producing O. chalybea-like species at 380 cells ml−1 and the treatment was ineffective. The treatment was most successful when off-flavor was less than two months duration and where application of the chemical was accomplished uniformly over the entire pond surface.
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Sangma, Phanindra, Md Abdul Wahab, Shahroz Mahean Haque, and Sanjib Kumar Mondal. "Integrated cage-cum-pond culture system with walking catfish (Clarias batrachus) in cages and tilapia (Oreochromis niloticus) in open ponds." Research in Agriculture Livestock and Fisheries 4, no. 3 (2017): 221–27. http://dx.doi.org/10.3329/ralf.v4i3.35101.
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An experiment was conducted for a period of 97 days at the Fisheries Field Laboratory Complex, Bangladesh Agricultural University, Mymensingh to determine the potential of the cage-cum-pond culture of walking catfish, as well as to assess the economic and environmental benefits of this system. The experiment had two treatments in triplicate. One treatment comprised walking catfish in cage and tilapia in open pond, and the other treatment comprised both walking catfish and tilapia stocked together in open ponds. Ponds of both treatments were stocked with walking catfish and tilapia at a stocking density of 10,000 and 20,000 ha-1, respectively. Fishes in both treatments were fed with commercial pelleted feed (26% crude protein) twice daily at the rate of 10% body weight of walking catfish. All ponds were fertilized with urea and TSP at a rate of 50 kgha-1 bi-weekly. Survival of catfish was very low in both treatments ranging from 8.33 to 21.33%. Specific growth rate of catfish was significantly higher (P<0.021) in treatment-2 than in treatment-1 with a value of 2.42 and 1.69 g fish-1d-1, respectively. The net yield for catfish of treatment-1 and 2 were 49.67 and 43.45 kgha-1, respectively and there was no significant difference between the treatments. The survival rate of tilapia was 65.17 and 71.17% with daily weight gain of 2.31 and 2.22g fish-1 in treatment-1 and 2, respectively. Net yield were 817.00 and 790.63 kg ha-1, respectively and there were no significant difference in net yield of tilapia between treatments. Net profit obtained from integrated-cage-cum pond culture (Tk. 24,518 ha-197d-1) was higher than that of open pond (Tk 22,685 ha-197d-1).Res. Agric. Livest. Fish.4(3): 221-227, December 2017
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Yu, Tao, Fei Zhong, Dong Xu, et al. "Water Quality and Growth Simulation of Channel Catfish, Ictalurus Punctatus, in a Recirculating Aquaculture System Combined with Subsurface Flow Wetland." Advanced Materials Research 343-344 (September 2011): 1109–16. http://dx.doi.org/10.4028/www.scientific.net/amr.343-344.1109.
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Purifying efficiency and culture performance in a recirculating aquaculture system (RAS) combined with subsurface flow wetland (SFW) were investigated in this paper. The results showed that the wetland effectively removed total suspended solids (78.6%), chemical oxygen demand (49.2%), 5-day biochemical oxygen demand (70.4%), total ammonia (53.7%) and nitrite (64.7%) from the aquaculture effluents at a hydraulic loading rate of 344 mm/d. The channel catfish (Ictalurus punctatus) with initial length of 18.97±2.92 cm were reared for 223 days in three recycling ponds at different stocking densities (0.055, 0.109, and 0.164 kg/m3) and a control pond at stocking density 0.055 kg/m3. Fish were fed to satiation twice daily with a commercial diet and the amount fed was measured to determine feed efficiency (FE). In the recycling ponds, fish growth appeared to be negatively correlated with stocking density, in which total weight gain of fish ranged from 374.9% to 886.7%. Fish in the control pond had low survival rate (61.1%) and total weight gain (465.2%), comparing with the recycling pond which had same stocking density (0.055 kg/m3). Feed efficiency (0.34) of the control pond was also significantly lower than that of the 0.055 kg/m3 treatment (0.96). A logistic model of was employed to simulate the growth of channel catfish. The estimated parameters and predicted results showed that the growth rate of channel catfish reared in recycling pond is significantly higher than that in static pond.
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Abdel-Hay, Abdel-Hay, Monira Elsawy, Wasseem Emam, Wael Eltras, and Radi Mohamed. "Haematological and biochemical blood profile of African catfish (Clarias gariepinus) cultured in ponds of different water depth and fed sinking versus floating diet." Biotehnologija u stocarstvu 37, no. 2 (2021): 117–26. http://dx.doi.org/10.2298/bah2102117a.
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This study contributes data on haematological and biochemical parameters of African catfish, Clarias gariepinus. It employed a 3 ? 2 factorial design with three ponds of different water depth (0.5, 1 and 1.5 m) and two types of feed (floating and sinking). Twelve earthen ponds (1 m x 2 m) were stocked with 16 fingerlings catfish each (mean weight ~100g) and their blood parameters were monitored over 12 weeks. Differences in hematological parameters related to water depth were mostly significant, and better results were recorded in fish reared in shallower water ponds. Feed type showed improved hematological parameters with using of sinking diet. Most biochemical parameters showed significant differences in pond waters depth and feed type with better results coincided with rearing fish in shallower water depth and with sinking feed. Conclusively, culturing Catfish in shallow ponds (0.5 m) and use of sinking feed improve physiological response and health condition.
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Le, Thinh Xuan, and Hien Xuan Dang. "MODELING OF PLANKTON DEVELOPMENT PROCESSES IN THE PANGASIUS (PANGASIANODON HYPOPHTHALMUS) PRODUCTION POND IN VIETNAM." Vietnam Journal of Science and Technology 58, no. 3A (2020): 59. http://dx.doi.org/10.15625/2525-2518/58/3a/14252.
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Pangasius (Pangasianodon hypophthalmus) is a popular food in many countries around the world as well as Vietnam, at the same time, Pangasius (catfish) also brings great economic benefits from the exportation. However, unplanned catfish farming leads to environmental degradation. Fish farming is more susceptible to disease and consumes more water. Feed for fish is only partially used, the rest is released into the environment. The industrial feeds with high nutrient content, especially those rich in nitrogen (N) and phosphorous (P), are the strongest contributors to the water index. Thus, within high volume and high pollution levels of wastes from catfish pond which has had a great impact on the water environment, negatively affecting the catfish farming and the community. Modeling is a solution that helps to better control the biological processes in the pond, optimizes feed supply and water use. Modeling has many advantages compares to the real research because the cost is too expensive; requires too long time; does not affect to production or endangers to persons and equipment. In some cases, it is not possible to do experiments on real systems. Therefore, the application of the modelling is a suitable way to identify and control biological processes in catfish ponds. This research will study the plankton development processes taking place in catfish ponds by modeling using Matlab software to simulate the nutrition and development processes of fish in catfish ponds. These equations were solved by the fourth-order Runge-Kutta method and coded in the Matlab programming language.As a result, the plankton development processes of pangasius pond is simulated includes (green algae, cyanobacteria, diatoms), (the ratio of nitrogen content in green algae, cyanobacteria, diatoms), (the ratio of phosphorus content in green algae, cyanobacteria, diatoms) at different temperatures 28, 30oC.
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Tun, Myo Min. "Experiment on growth response and Feed Conversion Ratio (FCR) of fishes by feeding BR Sludge from distillery spent wash at distillery factory in Yangon, Myanmar." Journal of Aquaculture & Marine Biology 8, no. 6 (2019): 207–10. http://dx.doi.org/10.15406/jamb.2019.08.00263.
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The two freshwater fishes, the catfish Pangasius pangasius (Hamilton, 1822) and the catla fish Catla catla (Hamilton, 1822)were experimented in small culture ponds for growth response and feed conversion ratio during the study period from October 2018 to January 2019. The Pangasius pangasius fish growth rates of test and control ponds were almost equal. The control growth rates of Catla catla fish were higher than the test pond. Among these fishes, the fish Catla catla was the soft bottom habitat and they preferred mud bottom sediments. Among them, the growth rates of fish Catla catla was less than other species. The FCR values of the test ponds are 12.7 of Pangasius pangasius fish and 21.5 of Catla catla fish. The FCR values of the control ponds are 14.9 of Pangasius pangasius fish and 23.8 of Catla catla fish. In the present study, the results of FCR values are very useful for BR Sludge from Distillery Spent Wash. The feeding ratio (FCR) of test ponds is less than control ponds that is very good useful for these culture fishes.