Relevant bibliographies by topics / Prawn culture

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Academic literature on the topic 'Prawn culture'

Author: Grafiati
Published: 11 December 2022
Last updated: 25 January 2023

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Journal articles on the topic "Prawn culture"

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Arief, Muhammad, Akhmad Taufiq Mukti, and Sudarno Sudarno. "Pemberdayaan Pembudidaya Ikan dan Udang Tambak, Desa Kendalkemlagi, Kecamatan Karanggeneng, Kabupaten Lamongan, Propinsi Jawa Timur <br><i>[Empowerement For Fish and Prawn Farmers In Pond At Kendalkemlagi Village, Karanggeneng District, Lamongan Regency, East Java Province ]<i>." Jurnal Ilmiah Perikanan dan Kelautan 3, no. 2 (November 1, 2011): 127–32. http://dx.doi.org/10.20473/jipk.v3i2.11596.

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Abstract The aim of this IbM program was empowerement for fish and prawn farmers through good conducting and correctness management of fish and prawn cultures in pond. Activity method were discussion and training on management of fish and prawn culture in pond.. Result of this IbM program were improve knowledge and skill of fish and prawn farmers to manage well and correctness of fish and prawn cultures in pond. This program can used to effort increase production yield of fish and prawn cultures in pond.
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Henry-Silva, G. G., C. S. P. Maia, R. S. T. Moura, A. P. Bessa Junior, and W. C. Valenti. "Integrated multi-trophic culture of Nile tilapia (Oreochromis niloticus) and Amazon river prawn (Macrobrachium amazonicum) in brackish water." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 67, no. 1 (February 2015): 265–73. http://dx.doi.org/10.1590/1678-6788.

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The aim of this study was to assess the feasibility of integrated multi-trophic culture of Nile tilapia (Oreochromis niloticus) and Amazon River prawn (Macrobrachium amazonicum) in brackish water by evaluating its limnological characteristics and economic performance. The experiment was completely randomized with four treatments and four repetitions: control treatment with Nile tilapia only, stocked with 2 tilapias/m² (P2C0) and three integrated multi-trophic culture treatments stocked with 2 tilapias/m² and prawns at densities of 4, 8 and 16 prawns/m² (P2C04, P2C08 and P2C16, respectively). The limnological variables of temperature, pH, dissolved oxygen, turbidity, ammonia, orthophosphate and chlorophyll "a" were evaluated and throughout the experiment remained within the limits recommended for culture. The experiment lasted 150 days with monthly animal sampling. No significant differences were observed for total fish biomass or for fish and prawn total survival rates. However, prawn individual weight decreased as stocking density increased. Gross revenue was not significantly different between treatments, as well as profitability. The profitability was 40.1% (P2C0), 36.7% (P2C04), 41.2% (P2C08) and 50.1% (P2C16). It is concluded that although feasible from the view point of husbandry, the integrated multi-tropic culture of M. amazonicum and O. niloticus did not influence significantly profitability compared to the monoculture system.
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New, Michael B. "Freshwater prawn culture: a review." Aquaculture 88, no. 2 (July 1990): 99–143. http://dx.doi.org/10.1016/0044-8486(90)90288-x.

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MORI, Hideki. "Prawn Culture and Juvenile Prawn Fishing in West Bengal, India." Japanese Journal of Human Geography 43, no. 6 (1991): 583–96. http://dx.doi.org/10.4200/jjhg1948.43.583.

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Utomo, Deny Sapto Chondro, Wardiyanto Wardiyanto, and Triando Kurniawan. "DEVELOPMENT AND SURVIVAL RATE OF GIANT SHRIMP LARVA (Macrobrachium rosebergii de Man) GIMacro II AT DIFFERENT SALINITIES." AQUASAINS 7, no. 1 (November 6, 2018): 621. http://dx.doi.org/10.23960/aqs.v7i1.p621-628.

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GIMacro II prawn larvae is able to grow well at a salinity of 8-15 ppt. This condition can be improved by improving the methods of adaptation to changes in salinity prawn larvae production activities, by determining the pattern of changes in salinity are right. Salinity media through osmotic pressure affect the physiological activity, where the cells in body organs prawns should be in liquid media with ionic composition and concentration of the same with the environment. Having obtained the optimum salinity on larval rearing prawns GIMacro II in different salinity media is expected to produce a population of prawns GIMacro II with superior durability specific to environmental conditions, which can then be directed to improve the utilization of marine resources to the salinity of the best. This research aims were to study the growth and survival of larvae prawns GIMacro II reared on media of different salinities. The study used completely randomized design with three treatments and three replications. The treatments were larval rearing prawns GIMacro II at different salinities (10 ppt, 12 ppt, and 14 ppt). The results showed that the culture of prawn larvae GIMacro II at different salinity affect significantly on growth and survival of larvae prawns GIMacro II. The highest development of GIMacro II prawn larvae obtained from 12 ppt salinity treatment (7.13 ± 0.03%) and the highest survival rate was obtained also from 12 ppt salinity treatment (67.67 ± 4.51%)
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Darmansah, Aris, Sulistiono, Thomas Nugroho, and Eddy Supriyono. "Pemberdayaan Masyarakat melalui Pengembangan Polikultur Bandeng dan Udang di Desa Karangsong, Indramayu, Jawa Barat." Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat 2, no. 2 (February 22, 2017): 92. http://dx.doi.org/10.29244/agrokreatif.2.2.92-99.

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Karangsong Village is one of the coastal villages in Indramayu which has a high fishery and marine resources potential, (both capture and aquaculture fisheries). The aquaculture activities in this village were mostly milkfish and prawn cultures. Community development through polyculture activity in this village had been done for 2 years 4 months from December 2012 to April 2015. This activity aimed to improve the community skill, especially milk fish and prawn using polyculture system. Methode used in this activity was training and empowering. The community was trained about pond culture preparation and milk fish and prawn culture methods. The community participated in first year was 4 people, and second year was 9 people. Aid distribution scheme of this program was 1 package for each fish-farmer contained prawn seed, milkfish seed, and fish-prawn feed. Through effectively empowering program, people knowledge, technology, biomass farming, and income (912 million from milkfish farming; 920 million from shrimp farming) were increased.
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Khan, MSR, MM Khan, N. Akter, and MA Wahab. "Strain performance of tilapia in freshwater prawn polyculture." Journal of the Bangladesh Agricultural University 14, no. 1 (December 10, 2016): 127–34. http://dx.doi.org/10.3329/jbau.v14i1.30607.

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Production performance of two tilapia (Oreochromis niloticus) strain viz. Chitralada and GIFT (Genetically Improved Farmed Tilapia) in fish-prawn polyculture system was compared, and possible effect of tilapia inclusion in freshwater prawn (Macrobrachium rosenbergii) culture was evaluated in 120 days of grow-out phase. There were three treatments, i.e. only freshwater prawn as control (T1), prawn + Chitralada (T2), and prawn + GIFT (T3) with three replications of each. Stocking densities for prawn juvenile was 30,000 ha-1 in all the treatments and for both tilapia strains were 10,000 ha-1. Floating feed containing 28% protein for tilapia and pelleted sinking feed for prawn were provided twice daily at a rate of 10-5% bw adjusted after each month of sampling. Water transparency was significantly lower (P<0.05) in treatment T1 with significantly higher chlorophyll-? content that increased with progression of time. Along with, plankton abundance was significantly higher (P<0.05) in T1 indicating prawn-tilapia mixed culture is better than traditional single species culture of prawn in terms of water quality management. Average individual weight, final weight, survival and production of prawn did not differ significantly (P>0.05) among the treatments. In case of tilapia, average individual weight was significantly higher in Chitralada (254.22 g) than that of GIFT (201.52 g). However, survival of GIFT was significantly higher (92.50%) than that of Chitralada (65.83%). Gross and net production of tilapia did not vary significantly. It was concluded that prawn-tilapia mixed culture is advantageous over traditional mono culture regarding production augmentation, and tilapia inclusion improving water quality.J. Bangladesh Agril. Univ. 14(1): 127-134, June 2016
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Saha, SB, and MJ Alam. "Giant freshwater prawn (Macrobrachium rosenbergii) brood development in winter season." Bangladesh Journal of Zoology 42, no. 2 (May 14, 2015): 153–59. http://dx.doi.org/10.3329/bjz.v42i2.23347.

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Realizing the importance of giant freshwater prawn, Macrobrachium rosenberbii supply mature brood for extending the culture period for the successful production of marketable size, a study was conducted for development of broods of the species in the winter season by increasing temperature of water using green house concept. For this purpose, two ponds were covered with transparent polyethylene sheet fastened in bamboo frame and two ponds with no such covering. The ponds were equally stocked with prawn @ 5000 indv./ha (female:male::8:1) on 8th December 2009 and reared up to 9th March 2010. Temperature of water of the green house ponds was much higher than that of open ponds. Prawns started to be gravid after stocking in the green house ponds and 45-55% prawn became berried up to 9th March. But no remarkable development of gonad except a very few (2.5%) gravid prawn at the later part of rearing in one of the open pond was observed.Bangladesh J. Zool. 42(2): 153-159, 2014
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Karlopia, Sanjeev Kumar, Yahya Bakhtiyar, and Seema Langer. "Comparison of the Growth Potential of Macrobrachium rosenbergii in Mono and Polyculture Conditions in Earthen Culture Ponds of Jammu, India." Journal of Ecophysiology and Occupational Health 19, no. 3&4 (December 26, 2019): 112. http://dx.doi.org/10.18311/jeoh/2019/23499.

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The study was conducted to assess the growth and survival of <em>Macrobrachium rosenbergii</em> in earthen culture ponds in order to know about the growth potential of <em>M. rosenbergii</em> in mono as well as polyculture conditions in Jammu. Polyculture experiments of prawn with some selected carps Indian Major Carps (<em>Cirrhinus mrigala</em> and <em>Labeo rohita</em>) and Exotic Carps (<em>Cyprinus carpio</em>) were undertaken in 3 freshwater ponds for duration of 4 months. Under the monoculture conditions, prawns attained an average size of 10.40 ± 0.17 cm weighing 23.84 ± 0.32 g in 4 months and the survival rate was found to be more than 75%. The growth rate of prawns was found to increase steadily during the first half (upto mid-October) after which a decline in the growth rate was evident as the mean temperature reached below 18°C. In the polyculture ponds the prawns attained an average size of 10.10 ± 0.03 cm weighing 18.39 ± 0.89g (without<em> C. carpio</em>) and 8.4 ± 0.36 cm weighing 15.23 ± 0.36 g (with <em>C. carpio</em>) in 4 months and their survival rate was less than 70%. Prawns being benthic feeders utilized the leftover food (of the fishes) that settled at the bottom, therefore, saving the feed cost. It was observed that mean size of the fish attained in the polyculture practice was almost similar to that obtained in the monoculture. The ideal prawn polyculture should be practiced with fast growing compatible carps such as Rohu and grass carp. Bottom feeder carps such as Mrigal (<em>C. mrigala</em>) should be avoided in prawn polyculture practice as they compete with prawns in feeding.
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Boock, Marcello Villar, Helcio Luis de Almeida Marques, Margarete Mallasen, Helenice Pereira Barros, Patrícia Moraes-Valenti, and Wagner C. Valenti. "Effects of prawn stocking density and feeding management on rice–prawn culture." Aquaculture 451 (January 2016): 480–87. http://dx.doi.org/10.1016/j.aquaculture.2015.10.009.

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Dissertations / Theses on the topic "Prawn culture"

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Ahmed, Nesar. "Socio-economic aspects of freshwater prawn culture development in Bangladesh." Thesis, University of Stirling, 2001. http://hdl.handle.net/1893/1497.

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This thesis is concerned with social and economic aspects of freshwater prawn (Macrobrachium rosenbergii) culture development in converted paddy field gher systems in SW Bangladesh, based on economic features of prawn production and social impacts within and around prawn farming communities. Based on a sample of 400 farmers from the four different zones in Bagerhat district in SW Bangladesh, 345 (86.25%) cultured prawn with fish and rice in their gher. The culture period is typically nine months, wild fry are stocked when available in May-June and harvested from November to January. A variety of feeds are used but the preferred material is the freshwater snail, Pila globosa. Productivity is variable, averaging 432 kg ha-!. The freshwater prawn is a highly valued product for international markets and is therefore almost all exported. All farmers in all zones and different gher size categories made a profit, with seed and feed dominating variable costs. Considerable variation in production costs and profitability was observed. The culture of prawn in gher systems is technically possible in a variety of conditions though expanding small scale of farming mainly depends on reducing production costs. Future targets could be to integrate with other agricultural activities especially dike cropping and rice production in the monsoon. The livelihoods of a large number of people are associated with prawn farming. Four different fry, snail and prawn markets were surveyed, including a sample of 60 fry catchers, 40 fry traders, 75 snail collectors, 40 snail traders and 40 prawn traders. A sample of 200 women, associated with gher farms was also surveyed. In spite of socio-economic constraints, most of the households of farmers (81 %) have improved their status through prawn farming where prawn have brought out clearly positive changes of economic activities and generated new employment. All appeared to have gained from their activities, women have enhanced their position in families and societies. However, concerns arise about the long-term sustainability of prawn farming due to high production costs, low supply of wild fry and snail meat, poor natural resources, poor institutional support and inadequate extension services, all of which have affected sustainable livelihoods of farmers and associated groups. It may necessary to establish local ingredients feed industries, prawn hatcheries and to provide low-interest credit with institutional and policy support for sustainable gher farming.
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Pengseng, Puan Boyd Claude E. "Resource use and waste production at a semi-intensive black tiger prawn Penaeus monodon farm." Auburn, Ala., 2007. http://repo.lib.auburn.edu/Send%2002-04-08/PENGSENG_PUAN_14.pdf.

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Ngo, Van Hai. "Use of customised probiotics for western king prawn (Penaeus latisulcatus Kishinouye, 1896) culture." Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/1691.

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In recent decades, a rapid increase in fish production from the aquaculture sector has led to degradation of the environment due to indiscriminate use of chemical additives and veterinary medicines. Consequently, antimicrobial resistance among pathogenic bacteria has increased and environmental problems associated with these chemicals and antibiotics have become a burden for sustainable aquaculture development. Therefore, there is a need to alter the indiscriminate use of chemicals and antibiotics for the use in aquaculture by replacing these with prebiotics or other harmless substitutes. Different probiotics can confer huge functions and benefits to various hosts through the improvement in survival rates and enhancement of health. However, there is a need for special species-specific prebiotics in a particular culture environment.Customising the species-specific probiotics for prawn culture was performed via several experiments. After the specific prebiotics, Pseudomonas synxantha and P. aeruginosa were isolated and tested from a commercial product, the emphasis was on determining the effectiveness of them on the cultivation of the juveniles’ western king prawns, Penaeus latisulcatus. The customisation process began with trialling five inhibition test methods to determine the most effective detection method for the potential probiotic bacteria. P. synxantha and P. aeruginosa showed the highest inhibition against Vibrio spp. isolated from P. latisulcatus and pathogenic Vibrio isolated from other aquatic animals.A series of experiments were conducted under laboratory conditions to investigate the physiological and immune responses of the juvenile P. latisulcatus exposed to the customised probiotics. The research results proved the suitability of these probiotics for the cultivation of P. latisulcatus as they conclusively met all the essential requirements for the appropriate probiotics. The application of these customised probiotics at 10[superscript]5 CFU/mL as “water additives” or “feed supplements” improved the specific growth rate, survival and the health of juvenile P. latisulcatus. These customised probiotics showed similar beneficial effects as observed with other commercial prebiotics, Bio-Mos[superscript]® and ß-1,3-D-glucan. The supplementation of these probiotics with the formulated feed was more efficacious and more practical than direct application into the rearing media. The prawns exposed to the combined probiotics were healthier than those exposed to the individual probiotics. In addition, P. aeruginosa was more effective than P. synxantha for improving prawn health.P. latisulcatus were not adversely affected by the customised probiotics, as P. latisulcatus grew well in the presence of a high probiotic density of 10[superscript]7 CFU/mL. The application of the probiotics however, reduced the negative effects of the pathogen V. harveyi as the probiotic-fed prawns survived 100% when they were exposed to V. harveyi at 10[superscript]5, 10[superscript]7 and 10[superscript]3 CFU/mL for 24, 24 and 36 h, respectively. Hence customised probiotics are suggested as an alternative to antibiotic for disease control in prawn aquaculture. The prawn survival was also influenced by the concentrations of the pathogen and duration of the challenge. At a challengeconcentration of 10[superscript]3 CFU/mL of V. harveyi, the 100% survival-hours were shorter (12 h) in the control group (prawns not fed with probiotics) than in the probiotic-fed prawns (36 h). Further, prawns not fed with probiotics died at a faster rate (96 h) than the probiotic-fed prawns (156 h). The prawns died when the exposure to V. harveyi (even at 10[superscript]3 CFU/mL) was longer than 36 h. The probiotic-fed prawns could not completely resist the pathogenic effects of the V. harveyi despite the detection of the probiotics in the intestine of the prawns earlier than detection of V. harveyi. It is recommended that these customised probiotics can be used as a substitute to antibiotics in the cultivation of western king prawns.
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Burford, Michele. "Fate and transformation of dietary nitrogen in penaeid prawn aquaculture ponds /." [St. Lucia, Qld.], 2000. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18560.pdf.

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Wudtisin, Idsariya. "Bottom soil quality in ponds for culture of catfish, freshwater prawn, and carp in Thailand." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2005%20Fall/Dissertation/WUDTISIN_IDSARIYA_58.pdf.

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Maclean, Marlie H. "The effect of organic fertilizer and formula feed in pond culture of the freshwater prawn." Thesis, University of Stirling, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317406.

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Mai, Huong. "Nutrient Dynamics in an Integrated Prawn (Penaeus latisulcatus Kishouye 1896) and Macroalgae (Sargassum sp.) culture system." Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/321.

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Rapid global expansion of the aquaculture industry has prompted the need for development of techniques for effective environmental management. In intensive aquaculture, effluents have resulted in environmental degradation of surrounding ecosystems. As a result, wastewater treatment techniques using biological means is growing worldwide. The present research was conducted to investigate the nutrient flows in a system where seaweed Sargassum sp. was integrated into western king prawn (Penaeus latisulcatus) culture.Three laboratory experiments were conducted to determine the nutrient load discharged from western king prawn culture and, the capacity of Sargassum sp. to reduce nutrient loads in the integrated culture system. The effects of changes in stocking biomass of prawns and seaweed on the growth rates of both species and nutrient flows in an integrated culture system were also investigated. Prawn and seaweed growth, prawn survival, water quality parameters, nitrogen and phosphorus contents in tissue of prawns, seaweed and feed were analysed.These experiments demonstrated that by integrating seaweed into prawn culture, the concentrations of total ammonium nitrogen (TAN), nitrite-nitrogen (NO[subscript]2[superscript]-) and nitrate-nitrogen (NO[subscript]3[superscript]-), dissolved inorganic nitrogen (DIN), total nitrogen (TN), phosphate (PO[subscript]4[superscript]3[superscript]-) and total phosphorus (TP) were significantly reduced (p ≤ 0.05) than in the prawn monoculture and remained within non-toxic limits for the duration of the experiment. Overall, Sargassum sp. removed a greater percentage of DIN (35.8-52.6%) and phosphate (5.62-65.9%) than other nutrient forms.The mean nutrient uptake rates of Sargassum sp. were 0.33-0.69 mg g[superscript]-[superscript]1 dry wt day[superscript]-[superscript]1 for nitrogen and 0.13-0.25 mg g[superscript]-[superscript]1 dry wt day[superscript]-[superscript]1 for phosphorus. The integrated culture systems effectively retained nutrients into harvested products in comparison to monoculture system. The rates of nutrient conversion into waste were significantly lower in the integrated culture systems (52.46-70.05% for nitrogen and 49.09-69.41% for phosphorus) than in prawn monoculture (82.31% for nitrogen and 85.53% for phosphorus).Integrating Sargassum sp. with prawn culture did not alter the specific growth rate (SGR) and survival rate of the prawns. The SGR of Sargassum sp. in integrated culture increased at the rate of 3.16 ± 0.74% day[superscript]-[superscript]1, while was 5.70 ± 0.82 % day[superscript]-[superscript]1 in seaweed monoculture. Decreasing the stocking biomass of Sargassum sp. negatively affected its growth rate and capacity in uptaking the nutrients.The results of this study suggest that integrating Sargassum sp. into prawn culture can benefit prawn farming by assisting in the maintenance of optimum water quality and thereby, reduce environmental impacts on surrounding ecosystems. However, the lower growth rate of seaweed cultured with prawns than those cultured in isolation suggests the presence of several limiting factors for the growth of the seaweed in integrated seaweed and prawn culture.
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D'Souza, Frances M. L. "The nutritional value of microalgae to penaeid prawn larvae." Thesis, Queensland University of Technology, 1997. https://eprints.qut.edu.au/36935/1/36935_Digitised%20Thesis.pdf.

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This is the first study to investigate the nutritional requirements of the penaeid prawn protozoeal phase (the first feeding stage of the prawn life cycle) using micro algae to provide different nutritional conditions. The work was a simultaneous examination of the biochemical composition of the larvae and their microalgal diets. In addition, the influence of naupliar composition on later larval stages was studied. The biochemical parameters measured were total protein, lipid and carbohydrate (i.e. gross biochemical composition) and total lipid was further resolved into individual fatty acids. The nutritional requirements of penaeid prawn larvae were assessed by measuring the survival, development (metamorphosis) and growth (in terms of dry weight) of larvae in response to various algal diets. In this way differences in survival, development and growth could be related to biochemical differences in the algal diets and associated larval body composition. The changes in biochemical composition of *Penaeus japonicus* and *P. monodon* larvae during metamorphosis from nauplii to protozoea 1 (PZl) and the time course of these changes during starvation and feeding for the ~42 h period that the PZl stage lasts, were examined. The larvae utilised lipid as a major energy source during metamorphosis. The fatty acid fraction of the lipid in nauplii was high (60 to 80%) compared with protozoeae (30 to 60%) and provided a large proportion of the energy required for metamorphosis. Of the total fatty acids, the monounsaturated (MUFAs) and saturated fatty acids contributed most of this energy. During starvation the MUFAs and polyunsaturated fatty acids (PUPAs) were metabolised while the highly unsaturated fatty acids (HUFAs) were conserved, presumably because of their role as structural components in cell membranes. The PUFA linoleic acid (18:2n-6) appeared to have a role as a component of cell membranes when in short supply, but it accumulated as an energy reserve when in excess in the diet. Linolenic acid (18:3n-3) was actively metabolised to other membrane fatty acids or used for energy. The effect of altering the biochemical composition of the microalga *Tetraselmis suecica* on *P. semisulcatus* larvae was studied by reducing the nitrate concentration from -1760 μ*M* to 176 μ*M* in the culture media. Carbohydrate increased three fold in the low nitrate algae, and protein and lipid were reduced slightly compared to the control. The low protein:energy ratio (0.1 to 0.2) of the low nitrate diets resulted in a delay in the development of the larvae compared to that of the animals fed the control diet (ratio 0.3 to 0.4). Survival was not affected by the algal diets. Four species of algae (*Tetraselmis suecica*, *Chaetoceros muelleri*, Tahitian *Isochrysis* sp. (T-iso) and *Dunaliella tertiolecta*) differing predominantly in their fatty acid composition were fed to *P. japonicas* larvae as single species diets. The two best diets (in terms of growth and survival of the prawn larvae) were subsequently fed in combination to *P. semisulcatus* and *P. monodon* larvae to assess their nutritional value as part of a mixed diet. The survival and development to mysis 1 (M1), i.e. performance, of the larvae was affected by the algal diets such that the diets could be ranked: *C. muelleri* > *T. suecica* > *Isochrysis* sp. (T-iso) > *D. tertiolecta*. The fatty acid profiles of the algae, particularly those of arachidonic acid (20:4n-6) and eicosapentaenoic acid (20:5n-6), were related to those of the larvae and their performance. The presence of both of these fatty acids in the algal diet was necessary to produce high performance whereas docosahexaenoic acid (22:6n-3) was not. The low requirements for the PUPAs 18:2n-6 and 18:3n-3 were modulated by the presence of HUFAs such as 20:4n-6, 20:5n-6 and 22:6n-3. Therefore when these HUFAs were present in the diet, less 18:2n-6 and 18:3n-3 were required. However high proportions of 18:2n-6 and 18:3n-3 alone, did not replace the requirements for 20:4n-6, 20:5n-6 and 22:6n-3. Understanding the nutritional requirements of penaeid prawn larvae will lead to the production of a cost effective and optimum diet for use in hatcheries. In addition, this research will contribute to the production of a purified artificial diet for penaeid prawn larvae which can be used to examine the requirements for other nutrients.
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Wu, Jiale. "Environmental factors affecting the survival and growth of western king prawn, Penaeus latisulcatus, under aquaculture conditions in Spencer Gulf, South Australia." Title page, table of contents and summary only, 1990. http://web4.library.adelaide.edu.au/theses/09ENV/09envw959.pdf.

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Saleetid, Nattakan. "Epizoological tools for acute hepatopancreatic necrosis disease (AHPND) in Thai shrimp farming." Thesis, University of Stirling, 2017. http://hdl.handle.net/1893/26828.

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Acute hepatopancreatic necrosis disease (AHPND) is an emerging bacterial infection in shrimp that has been widespread across the major world shrimp producing countries since 2009. AHPND epizootics have resulted in a huge loss of global shrimp production, similar to that caused by white spot disease in the 1990’s. The epizootiological understanding of the spread of AHPND is still in its early stages, however, and most of the currently published research findings are based on experimental studies that may struggle to capture the potential for disease transmission at the country scale. The main aim of this research, therefore, is to develop epizootiological tools to study AHPND transmission between shrimp farming sites. Some tools used in this research have already been applied to shrimp epizoology, but others are used here for the first time to evaluate the spread of shrimp diseases. According to an epizootiological survey of AHPND in Thailand (Chapter 3), the first case of AHPND in the country was in eastern shrimp farms in January 2012. The disease was then transmitted to the south in December 2012. The results obtained from interviews, undertaken with 143 sample farms were stratified by three farm-scales (large, medium and small) and two locations (east and south). Both the southern location and large-scale farming were associated with a delay in AHPND onset compared with the eastern location and small- and medium-scale farming. The 24 risk factors (mostly related to farming management practices) for AHPND were investigated in a cross-sectional study (Chapter 3). This allowed the development of an AHPND decision tree for defining cases (diseased farms) and controls (non-diseased farms) because at the time of the study AHPND was a disease of unknown etiology. Results of univariate and unconditional logistic regression models indicated that two farming management practices related to the onset of AHPND. First, the absence of pond harrowing before shrimp stocking increased the risk of AHPND occurrence with an odds ratio () of 3.9 (95 % CI 1.3–12.6; P‑value = 0.01), whereas earthen ponds decreased the risk of AHPND with an of 0.25 (95 % CI 0.06–0.8; P‑value = 0.02). These findings imply that good farming management practices, such as pond-bottom harrowing, which are a common practice of shrimp farming in earthen ponds, may contribute to overcoming AHPND infection at farm level. For the purposes of disease surveillance and control, the structure of the live shrimp movement network within Thailand (LSMN) was modelled, which demonstrated the high potential for site-to-site disease spread (Chapter 4). Real network data was recorded over a 13-month period from March 2013 to March 2014 by the Thailand Department of Fisheries. After data validation, c. 74 400 repeated connections between 13 801 shrimp farming sites were retained. 77 % of the total connections were inter-province movements; the remaining connections were intra-province movements (23 %). The results demonstrated that the LSMN had properties that both aided and hindered disease spread (Chapter 4). For hindering transmission, the correlation between and degrees was weakly positive, i.e. it suggests that sites with a high risk of catching disease posed a low risk for transmitting the disease (assuming solely network spread), and the LSMN showed disassortative mixing, i.e. a low preference for connections joining sites with high degree linked to connections with high degree. However, there were low values for mean shortest path length and clustering. The latter characteristics tend to be associated with the potential for disease epidemics. Moreover, the LSMN displayed the power-law in both and degree distributions with the exponents 2.87 and 2.17, respectively. The presence of power-law distributions indicates that most sites in the LSMN have a small number of connections, while a few sites have large numbers of connections. These findings not only contribute to a better understanding of disease spread between sites, therefore, but also reveal the importance of targeted disease surveillance and control, due to the detection of scale-free properties in the LSMN. Chapter 5, therefore, examined the effectiveness of targeted disease surveillance and control in respect to reducing the potential size of epizootics in the LSMN. The study untilised network approaches to identify high-risk connections, whose removal from the network could reduce epizootics. Five disease-control algorithms were developed for the comparison: four of these algorithms were based on centrality measures to represent targeted approaches, with a non-targeted approach as a control. With the targeted approaches, technically admissible centrality measures were considered: the betweenness (the number of shortest paths that go through connections in a network), connection weight (the frequency of repeated connections between a site pair), eigenvector (considering the degree centralities of all neighbouring sites connected to a specified site), and subnet-crossing (prioritising connections that links two different subnetworks). The results showed that the estimated epizootic sizes were smaller when an optimal targeted approach was applied, compared with the random targeting of high-risk connections. This optimal targeted approach can be used to prioritise targets in the context of establishing disease surveillance and control programmes. With complex modes of disease transmission (i.e. long-distance transmission like via live shrimp movement, and local transmission), an compartmental, individual-based epizootic model was constructed for AHPND (Chapter 6). The modelling uncovered the seasonality of AHPND epizootics in Thailand, which were found likely to occur between April and August (during the hot and rainy seasons of Thailand). Based on two movement types, intra-province movements were a small proportion of connections, and they alone could cause a small AHPND epizootic. The main pathway for AHPND spread is therefore long-distance transmission and regulators need to increase the efficacy of testing for diseases in farmed shrimp before movements and improve the conduct of routine monitoring for diseases. The implementation of these biosecurity practices was modelled by changing the values of the long-distance transmission rate. The model demonstrated that high levels of biosecurity on live shrimp movements (1) led to a decrease in the potential size of epizootics in Thai shrimp farming. Moreover, the potential size of epizootics was also decreased when AHPND spread was modelled with a decreased value for the local transmission rate. Hence, not only did the model predict AHPND epizootic dynamics stochastically, but it also assessed biosecurity enhancement, allowing the design of effective prevention programmes. In brief, this thesis develops tools for the systematic epizootiological study of AHPND transmission in Thai shrimp farming and demonstrates that: (1) at farm level, current Thai shrimp farming should enhance biosecurity systems even in larger businesses, (2) at country level, targeted disease control strategies are required to establish disease surveillance and control measures. Although the epizootiological tools used here mainly evaluate the spread of AHPND in shrimp farming sites, they could be adapted to other infectious diseases or other farming sectors, such as the current spread of tilapia lake virus in Nile tilapia farms.
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Books on the topic "Prawn culture"

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New, Michael Bernard, and Wagner Cotroni Valenti, eds. Freshwater Prawn Culture. Oxford, UK: Blackwell Science Ltd, 2000. http://dx.doi.org/10.1002/9780470999554.

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Dash, Madhab C. Brackish water prawn culture. Palani: Palani Paramount Publications, 1994.

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Kurian, C. V. Prawns and prawn fisheries of India. 4th ed. Delhi: Hindustan Pub. Corp., 1993.

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Kurian, C. V. Prawns and prawn fisheries of India. 5th ed. New Delhi: Hindustan Pub. Corp., 2002.

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Australian National Prawn Seminar (2nd 1984 Kooralbyn, Qld.). Second Australian National Prawn Seminar. Cleveland, Qld., Australia: NPS2, 1985.

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New, Michael B., and Wagner Cotroni Valenti. Freshwater prawn culture: The farming of Macrobrachium rosenbergii. Malden, MA: Blackwell Science, 2000.

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1932-, New Michael B., and Valenti Wagner Cotroni, eds. Freshwater prawn culture: The farming of Macrobrachium rosenbergii. Oxford: Blackwell Science, 2000.

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Don't come the raw prawn! Chippendale, Sydney: SUN Australia, 1991.

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Gray, Camillo W. A guide to shrimp and prawn culture in Bangladesh. Stirling: Innstitute of Aquaculture Publications, 1990.

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New, Michael B. Farming freshwater prawns: A manual for the culture of the giant river prawn (Macrobrachium rosenbergii). Rome: Food and Agriculture Organization of the United Nations, 2002.

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Book chapters on the topic "Prawn culture"

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Hongtuo, Fu, and Shubo Jin. "Culture of the Oriental River Prawn (Macrobrachium nipponense)." In Aquaculture in China, 218–25. Chichester, UK: John Wiley & Sons Ltd, 2018. http://dx.doi.org/10.1002/9781119120759.ch3_3.

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Machii, A., K. T. Wada, M. Awaji, H. K. Nakamura, and S. J. Townsley. "Some Characters of Cells of the Midgut Gland and Chytrids from Primary Cultures of the Prawn Penaeus japonicus." In Invertebrate and Fish Tissue Culture, 11–14. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73626-1_3.

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Dale, Allan. "Partnerships and Prawns: Co-Management and the Key to Success." In Beyond the North-South Culture Wars, 63–71. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05597-8_6.

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"Culture." In Problems in Prawn Culture, 39–74. Routledge, 2017. http://dx.doi.org/10.1201/9780203741955-4.

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Tidwell, James H. "Prawn (Freshwater Shrimp) Culture." In Encyclopedia of Animal Science, Second Edition, 912–16. CRC Press, 2011. http://dx.doi.org/10.1081/e-eas2-120045986.

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Liao, I. Chiu. "MARINE PRAWN CULTURE INDUSTRY OF TAIWAN." In Marine Shrimp Culture, 653–75. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-444-88606-4.50037-0.

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"Introduction." In Problems in Prawn Culture, 5–6. Routledge, 2017. http://dx.doi.org/10.1201/9780203741955-1.

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"Present Status." In Problems in Prawn Culture, 7–9. Routledge, 2017. http://dx.doi.org/10.1201/9780203741955-2.

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"Seedling Production." In Problems in Prawn Culture, 10–38. Routledge, 2017. http://dx.doi.org/10.1201/9780203741955-3.

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"Catch." In Problems in Prawn Culture, 75–78. Routledge, 2017. http://dx.doi.org/10.1201/9780203741955-5.

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Conference papers on the topic "Prawn culture"

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Jirakiattikul, Y., P. Rithichai, R. Jirapongpatta, and A. Itharat. "Elicitation of Bioactive Compounds by Yeast Extract in Shoot Culture of Dioscorea birmanica Prain & Burkill." In GA 2017 – Book of Abstracts. Georg Thieme Verlag KG, 2017. http://dx.doi.org/10.1055/s-0037-1608355.

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