Academic literature on the topic 'Fresh water shrimp'
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Journal articles on the topic "Fresh water shrimp"
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Babunova, Veronica S., and Petr A. Popov. "STRUCTURE, CLASSIFICATION OF SHRIMPS, SPECIES USED FOR FISHING IN RUSSIA AND ZONAL FEATURES OF THEIR ECOLOGY." Problems of veterinary sanitation, hygiene and ecology 1, no. 41 (2022): 43–52. http://dx.doi.org/10.36871/vet.san.hyg.ecol.202201005.
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This review article briefly describes the structure of shrimps and the distinctive features of this decapod order (Decapoda). Various classifications of shrimps are considered: scientific (cold-water, warm-water, brackish, fresh-water); consumer (Atlantic or northern shrimp; king; tiger), for the size range (big, medium, small, especially small). Several types of shrimp are sold to the consumer: frozen, fresh-frozen, chilled, boiled-frozen, and canned. Frozen shrimps are subdivided according to the degree of cutting into: uncut; the neck in the shell; peeled while preserving the caudal fin and peeled. This article also provides an overview of the state of the resources of commercial invertebrates in waters of Russia.
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Costa, Daniel Pereira da, Tainára Cunha Gemaque, Leonardo Vaz Pereira, Afonso De Liguori Oliveira, and Kleber Campos Miranda Filho. "Influence of Annatto (Bixa orellana) Extract and Different Shading Levels on Litopenaeus vannamei Color Reared Inland Using Biofloc Technology." Journal of Agricultural Studies 11, no. 1 (January 6, 2023): 22. http://dx.doi.org/10.5296/jas.v11i1.20658.
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Shrimp color is important when choosing the crustacean by the consumer. Pacific white shrimp Litopenaeus vannamei can convert various types of carotenoids into astaxanthin and accumulate them in its body, giving the desired reddish color. In this study, the shrimps were kept in a biofloc aquaculture system away from the coastal zone, fed with commercial feed supplemented with annatto extract (Bixa sp.). The experiment was carried out with a 2 x 4 factorial design with shad levels (50% and 80%) and four feeding regimes (0, 7, 14, and 21 days) to evaluate the most efficient model to promote the increase in the surface color of the shrimp. Leaching in artificial brackish water and the influence of biofloc pigments on shrimp color. According to the results, bixin sprinkled on the feed surface undergoes leaching in brackish water the measure of the time it is immersed. Carotenoids present in the biofloc showed a correlation with chlorophyll content by the R test. Raceway with 80% water shad and feed containing 1,235 mg/Kg of bixin showed the most significant results in the shell color of shrimps (fresh and cooked) and lower ammonia levels.
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Javith, S. M. A., X. A. M. Xavier, B. B. Nayak, H. S. Kumar, V. Harikrishna, A. K. Balange, and G. Krishna. "Effect of different rearing conditions on the shelf-life of Pacific white shrimp (Litopenaeus vannamei) during ice storage." Journal of Environmental Biology 42, no. 3 (May 4, 2021): 652–58. http://dx.doi.org/10.22438/jeb/42/3/mrn-1562.
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Aim: The present study aimed to investigate the shelf life of Pacific white shrimp (Litopenaeus vannamei) reared in inland saline water (ISRV) with those reared in natural brackish water (BWRV) during ice storage. Methodology: Freshly harvested L. vannamei shrimp cultured in inland saline water and brackish water were collected and biochemical parameters, microbial analysis and sensory parameters were evaluated for 21 days during ice storage with sampling interval of 3 days. Results: Total volatile basic nitrogen content increased up to 9th day in shrimps reared in BWRV and up to 3rd day in ISRV reared shrimps. Similarly, tri methyl amine content increased up to 3rd day for ISRV, there after the values decreased. The values of lipid oxidation such as peroxide value, free fatty acid and thiobarbituric acid reactive substance increased. Sensory scores for ice stored BWRV and ISRV showed a decreasing trend with increasing storage period. Interpretation: On the basis of microbiological parameters, pacific white shrimp (Litopenaeus vannamei) reared in brackish water and inland saline water can be ice-stored up to 12 days in fresh conditions, while other biochemical and sensory parameters are acceptable up to 18 days.
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Miyasaka, Hitoshi, Aoi Koga, Yusaku Tani, Ken-ichi Ozaki, Takaaki Maki, Shuhei Hayashi, and Shinjiro Yamamoto. "The effects of a marine photosynthetic bacteria Rhodovulum sulfidophilum on the growth and survival rate of Marsupenaeus japonicus (kuruma shrimp)." SDRP Journal of Aquaculture, Fisheries & Fish Science 3, no. 2 (2021): 245–49. http://dx.doi.org/10.25177/jaffs.3.2.ra.10713.
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The sustainability of the shrimp aquaculture depends largely on disease control and the health status of shrimp. Probiotics, which make shrimps healthier and more resistant to pathogens, are promising countermeasure for shrimp diseases. In this study, the effects of the marine purple non-sulfur photosynthetic bacterium (PNSB) Rhodovulum sulfidophilum on Marsupenaeus japonicus (kuruma shrimp) growth and survival were examined in 177 m2 aquaria (140 tons of water) for 70 days. The shrimp received feed containing 0.01 % fresh weight (106 colony forming unit/g) of R. sulfidophilum cells. The survival rate significantly improved (P < 0.001) (R. sulfidophilum-fed = 81.9 %; control = 71.5 %), the feed conversion rate improved (R. sulfidophilum-fed = 1.83; control = 2.11), and there was no difference in the shrimp average body weight. The approximate bacterial cell cost was $0.003 to $0.005 per 1 kg feed, indicating that the R. sulfidophilum approach is economically feasible and a promising candidate for probiotic bacteria in shrimp aquaculture. Keywords: photosynthetic bacteria, Rhodovulum sulfidophilum, Marsupenaeus japonicus, shrimp, probiotics
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Kusyairi, Achmad, Didik Trisbiantoro, and Sri Madyowati. "BUDIDAYA UDANG VANNAMEI (LITOPENAEUS VANNAMEI) DI LAHAN PEKARANGAN KELURAHAN PAKIS KECAMATAN SAWAHAN KOTA SURABAYA." JPM17: Jurnal Pengabdian Masyarakat 4, no. 2 (September 8, 2019): 103–10. http://dx.doi.org/10.30996/jpm17.v4i2.2885.
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The increasing cultivation of Vannamei shrimp throughout the archipelago in theaquaculture area lately has made some farmers try to cultivate vannamei shrimp in freshwaterponds, and even exploring farmer groups in urban areas also try to cultivate vannamei shrimp infresh water by utilizing less productive land. Vannamei shrimp that have a high tolerance tosalinity, ie from 2 to 40 ppt, and will even grow quickly at lower salinity. The condition ofshrimp adapted to salinity then made some farmers try to cultivate vannamei shrimp in freshwater through an acclimatization process and successfully carried out shrimp farming at lowsalinity at 2 ppt salinity. Cultivation of vannamei shrimp in fresh water has several advantagesincluding: resistance to the risk of contracting shrimp disease caused by viruses and bacteria thatinfect many shrimp in brackish water. The aim of the activity is to improve the ability andcapacity of the group through counseling and training on how to make good shrimp farming sothat it can increase production efficiency and productivity and minimize the risk of failure ofvannamei shrimp farming. The approach method used to overcome the problems faced by theGotong Royong farmer group is by way of an ongoing participatory approach between theproposing team and partners, as the controller of the Community Partnership program which hasan active role in providing assistance and periodic guidance to partners. From the results of thisactivity the following conclusions were obtained: (1) Cultivation of vannamei shrimp(Litopenaeus Vannamei) on the grounds in the Mutual Cooperation Group was received withgreat enthusiasm, and asked to be accompanied from pond preparation, fry selection, frystocking, monitoring to harvest. (2) The key to the success of shrimp farming in freshwater inurban yards is the selection of fries adapted to fresh water and monitoring water quality andfeeding during cultivation.Keywords: Cultivation, Vannamei, Yard, Intensive, Mutual Cooperation
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-, Mashuri Masri, Eka Sukmawaty, Fatmawati Nur, and Suriani Suriani. "Bacterial Contamination at Whiteleg Shrimp (Litopeanaeus vannamei) in Aquaculture." Jurnal Biodjati 6, no. 1 (June 1, 2021): 136–45. http://dx.doi.org/10.15575/biodjati.v6i1.11812.
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Indonesia has a very high biodiversity, which has later become one of the natural products of interest to the international community, including fishery products. One of the high-demand Indonesian fishery products is whiteleg shrimp Litopeaneus vannamei. However, safety food Exported whiteleg shrimp products must meet the criteria, including free from bacterial contamination such as Escherichia coli, Salmonella, Vibrio cholera. This study attemptted to analyze E. coli, Salmonella, V. cholerae contamination in 3 ponds in Bojo, Cilellang, and Palanro Village in District Malusetasi, Barru Regency, South Sulawesi. Two samplings for each pond were conducted in the morning were pond water and fresh whiteleg shrimp. SNI 2728-2018 specifies the quality and safety requirements for fresh shrimp. This standard applies to whole or headless fresh shrimp handled from fresh shrimp and does not apply to fresh shrimp that has undergone further processing. Based on SNI 2728-2018, the E. coli test showed positive in Cilellang Village (sample A) with 11 MPN/g, negative in Palanro Village (sample B) and in Bojo village (sample C) with the value of <2 MPN/g. Escherichia coli test showed positive in sample D (Vannamei shrimp in Cilellang Village) and sample E (Vannamei shrimp in Palanro Village) with 2.0 MPN/g, 17 MPN/g, respectively. Only sample F (Vannamei shrimp in Bojo village ) showed a negative result. As for the Salmonella test, positive results showed in sample A, while sample B and sample C showed negative results. The Vibrio cholerae test showed negative at all samples. . This study concludes that Whiteleg shrimp from ponds in Mallusetasi District is classified as safe for consumption.
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CHOW, SEINEN, YASUHIKO TAM, and YOSHIMITSU OGASAWARA. "CRYOPRESERVATION OF SPERMATOPHORE OF THE FRESH WATER SHRIMP,MACROBRACHIUM ROSENBERGII." Biological Bulletin 168, no. 3 (June 1985): 471–75. http://dx.doi.org/10.2307/1541526.
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Nurfaidah, Elva, and Agustono Agustono. "Technique of Increasing Calcium Carbonate (CaCO3) in White Shrimp (Litopenaeus vannamei) Feed in Kasetsart University, Bangkok." Journal of Marine and Coastal Science 10, no. 3 (September 29, 2021): 118. http://dx.doi.org/10.20473/jmcs.v10i3.28531.
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White shrimp (Litopenaeus vannamei) culture has grown rapidly in Indonesia since early 2000s. White shrimp have stronger resistance to WSSDV attacks, and are euryhaline. In it’s natural habitat, this shrimp was found in waters with a range of 0.5-40 ppt salinity. White shrimp grow optimally at 15-25 ppt salinity, even still suitable at 5 ppt salinity. This capability provides the opportunities to culture these commodities in inland water. White shrimp need inorganic elements or minerals for their living processes. Calcium is one of the main needs of shrimp that is closely related to the development and maintenance of skeletal systems and plays a role in some physiological processes of the body.The requirement for calcium in shrimp is increasing when it is cultivated in fresh water.This Internship aims to find out the technique of adding calcium carbonate (CaCO3) in feed, used for the white shrimp culture in fresh water. In this field practice, the addition of calcium carbonate in a level of 2% refers to the requirement of white shrimp for optimal growth. This was based on the calcium requirements of shrimp in the amount of 1-2%. The method was repelleting, by grinding feed and calcium using mortar and pestle, then filtered to get the smoothest part. Then mix calcium with 10 mL of water and mix it with pellets evenly. Then the mixture is air dried and mashed again and weighed according to the required dose of feed. The addition of calcium in the feed affects the growth of shrimp, because calcium is one of the most important anorganic mineral for the growth and development of exoskeleton, regulates blood clotting, heart rate, kidneys, nerves, the activity of several enzymes, and cell function
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Dobkin, Sheldon, Jack Montfrans, and Denise H. Holland. "Selective Breeding of the Fresh and Brackish-Water Shrimp Macrobrachium Acanthurus." Proceedings of the annual meeting - World Mariculture Society 6, no. 1-4 (February 25, 2009): 31–36. http://dx.doi.org/10.1111/j.1749-7345.1975.tb00004.x.
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Mudaza, Iqbal, Rosmaiti Rosmaiti, and Andika Putriningtias. "EFEKTIVITAS PERASAN DAUN SIRIH HIJAU (Piper betle) SEBAGAI BAHAN ANESTESI ALAMI PADA INDUK UDANG GALAH (Macrobrachium rosenbergii)." Jurnal Akuakultura Universitas Teuku Umar 4, no. 2 (April 1, 2021): 38. http://dx.doi.org/10.35308/ja.v4i2.3457.
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Shrimp is a type of crustacean biota that lives in fresh, brackish and marine waters. Giant prawns are also freshwater shrimp that have high economic value, and are a fishery commodity that is widely observed by local and foreign consumers. Consumer demand for shrimp commodities has experienced a shift towards meeting the need for live shrimp. One of the methods used in the process of optimally transporting shrimp is to perform shrimp anesthesia with the aim to maintain the fiological and morphological conditions of the shrimp, so that the shrimp is expected to arrive in a state of life by using green betel leaf extract. The design used in this study is complete randomized design (CRD) consisting of 4 treatments with 5 replications namely in the treatment of 1 immersion at a dose of 50 ml / 4 liters of water, 2 immersion treatment at a dose of 100 ml / 4 liters of water, 3 immersion treatment at a dose of 150 ml / 4 liters water and 4 immersion treatment with a dose of 200 ml / 4 liters of water. Based on the results of the study, it can be concluded that the difference in the dose of green betel leaf extract significantly affects the time of fainting and conscious time of giant prawns, the best dose that can be given to shrimp as an anesthetic during transportation dry system for ± 6 hours is treatment 4 namely with ex dose betel leaf powder 200 ml / 4 L water.
Dissertations / Theses on the topic "Fresh water shrimp"
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Marques, Junior Julio. "Aspectos estruturais do hepatopâncreas do camarão de água doce Macrobracium amazonicum (Heller, 1862) /." Jaboticabal : [s.n.], 2006. http://hdl.handle.net/11449/86707.
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Orientador: Irene Bastos Franceschini VicentiniBanca: Maíra Aparecida Stefanini
Banca: Maria Terezinha Siqueira Bombonato
Resumo: O hepatopâncreas está associado ao intestino médio e apresenta diferentes níveis de complexidade dentre as espécies de decápodas. O objetivo deste estudo foi descrever a estrutura histológica do hepatopâncreas de Macrobrachium amazonicum descrevendo características macroscópicas e microscópicas, tais como os tipos celulares que o compõe e a organização de seus túbulos secretores. Adultos de ambos os sexos de M. amazonicum foram coletados, e o hepatopâncreas foi estudado usando-se técnicas histológicas. O hepatopâncreas é um órgão de coloração amarelo-acastanhada, organizado em dois lobos laterais. A estrutura é formada por uma massa de túbulos de fundo cego com espaço intertubular escasso. Cada túbulo secreto r consiste de um epitélio circundado por lâmina basal e células mioepiteliais. Cinco tipos celulares foram observados: célula E (indiferenciada), célula F (fibrilar), célula R (reabsortiva), célula B (vesicular) e célula M (basal). As células E foram observadas na porção distal dos túbulos e são responsáveis pela reposição mitótica das células do epitélio. As células F foram observadas principalmente próximas às células E na região distal. Células R foram observadas ao longo de todo o túbulo secretor, principalmente nas regiões proximal e medial. As células B são abundantes nas regiões medial e distal do túbulo, diminuindo sua freqüência na região proximal. Foram observadas células M ao longo de todo o túbulo secretor, associadas às células R.
Abstract: The aim of this study is to describe the histological structure of the hepatopancreas of Macrobrachium amazonicum, describing macroscopic and microscopic characteristics: cellular types and the organizations of the secretory tubules. Adults of both sexes of M. amazonicum were collected and the hepatopancreas was studied by using histological techniques. The hepatopancreas is a bilaterally bilobed brown-yellowish organ. The structure is formed by a mass of blind tubules, with scarce intertubular space. Each tubule consist of a cylindrical epithelial layers surrounded by a basal lamina and myoepithelial cells. Five cellular types were recognized: E-cells (embryonic), E-¬cells (fibrilar), B-cells (blisterlike), R-cells (resorptive) and M-cells (midget). F-¬cells were observed in the distal end of the secretory tubules and are the mitotic cells that replenish the cells of the epithelium. The F-cells were observed along all the tubule, mainly in the distal region next the E-cells. R-cells were observed in the proximal and medial regions. The B-cells were abundant in the medial and distal regions of the tubule. M-cells were observed along all the tubule associated to the R-cells.
Mestre
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Nalovic, Michel Anthony. "An Evaluation of a Reduced Bar Spacing Turtle Excluder Device in the U.S Gulf of Mexico offshore Shrimp Trawl Fishery." W&M ScholarWorks, 2014. https://scholarworks.wm.edu/etd/1539617946.
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Shrimp are the most economically valuable internationally-traded seafood commodity, and wild-caught, trawled shrimp make up almost half of the ~6.6 million metric tons of annual global production. Shrimp trawling is responsible for one-third of the world’s total fisheries bycatch, leading many to consider shrimp trawling to be the single most destructive fishing practice in the world. Though the bycatch of large marine animals can be significantly reduced by use of turtle excluder devices (TEDs) on shrimp trawls, current TED designs are ineffective at reducing the capture of smaller organisms which represent a large portion of the total bycatch. To further reduce bycatch in the United States Gulf of Mexico shrimp trawl fleet, a variety of bycatch reduction devices (BRDs) are currently being used in conjunction with TEDs. I evaluated the efficiency of a new TED design, intended to reduce bycatch and maintain target shrimp catch. The new TED model is characterized by 5-cm spacing between flat bars, as opposed to the current industry standard of 10-cm spacing between round bars. Comparative towing experiments under standard commercial shrimp trawling operations in waters off of Georgia, Texas and Mississippi during the summer of 2012 demonstrated shrimp losses or gains of -4.32%, +6.07%, -1.58% respectively and an overall reduction in the capture weight of sharks (41.1-99.9%), rays and skates (76.5-93.4%) and horseshoe crabs (100%). These experiments were limited in time and space, and therefore not fully representative of fishing conditions throughout the year, but this study demonstrates the new TED’s effect on the catch rates of target shrimp and bycatch. This thesis research should lead to a broader understanding of the benefits of using reduced spacing flat bar TEDs in the U.S. shrimp trawl industry.
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Marques, Junior Julio [UNESP]. "Aspectos estruturais do hepatopâncreas do camarão de água doce Macrobracium amazonicum (Heller, 1862)." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/86707.
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O hepatopâncreas está associado ao intestino médio e apresenta diferentes níveis de complexidade dentre as espécies de decápodas. O objetivo deste estudo foi descrever a estrutura histológica do hepatopâncreas de Macrobrachium amazonicum descrevendo características macroscópicas e microscópicas, tais como os tipos celulares que o compõe e a organização de seus túbulos secretores. Adultos de ambos os sexos de M. amazonicum foram coletados, e o hepatopâncreas foi estudado usando-se técnicas histológicas. O hepatopâncreas é um órgão de coloração amarelo-acastanhada, organizado em dois lobos laterais. A estrutura é formada por uma massa de túbulos de fundo cego com espaço intertubular escasso. Cada túbulo secreto r consiste de um epitélio circundado por lâmina basal e células mioepiteliais. Cinco tipos celulares foram observados: célula E (indiferenciada), célula F (fibrilar), célula R (reabsortiva), célula B (vesicular) e célula M (basal). As células E foram observadas na porção distal dos túbulos e são responsáveis pela reposição mitótica das células do epitélio. As células F foram observadas principalmente próximas às células E na região distal. Células R foram observadas ao longo de todo o túbulo secretor, principalmente nas regiões proximal e medial. As células B são abundantes nas regiões medial e distal do túbulo, diminuindo sua freqüência na região proximal. Foram observadas células M ao longo de todo o túbulo secretor, associadas às células R.
The aim of this study is to describe the histological structure of the hepatopancreas of Macrobrachium amazonicum, describing macroscopic and microscopic characteristics: cellular types and the organizations of the secretory tubules. Adults of both sexes of M. amazonicum were collected and the hepatopancreas was studied by using histological techniques. The hepatopancreas is a bilaterally bilobed brown-yellowish organ. The structure is formed by a mass of blind tubules, with scarce intertubular space. Each tubule consist of a cylindrical epithelial layers surrounded by a basal lamina and myoepithelial cells. Five cellular types were recognized: E-cells (embryonic), E-¬cells (fibrilar), B-cells (blisterlike), R-cells (resorptive) and M-cells (midget). F-¬cells were observed in the distal end of the secretory tubules and are the mitotic cells that replenish the cells of the epithelium. The F-cells were observed along all the tubule, mainly in the distal region next the E-cells. R-cells were observed in the proximal and medial regions. The B-cells were abundant in the medial and distal regions of the tubule. M-cells were observed along all the tubule associated to the R-cells.
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Page, Timothy J., and n/a. "An Evolutionary History of the Freshwater Shrimp Family Atyidae in Australia." Griffith University. Australian School of Environmental Studies, 2007. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20070725.120145.
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The aim of this thesis is to use phylogenetic analyses of mitochondrial DNA to investigate the biogeography and evolutionary relationships within the freshwater shrimp family Atyidae in Australia at a nested series of scales, both geographic and systematic. At the largest scale, the relationships between Australian and Indo-West Pacific species were inferred using the two most common atyid genera in Australia, Caridina and Paratya. Most atyids are hypothesised to have colonised Australia from Southeast Asia, but Paratya may be a Gondwanan relict given its distribution. Australian Paratya all form a strong clade, with a sister relationship to species from Tasman Sea islands. Molecular clock estimates place all of the splits within Paratya after the break-up of Gondwana, with Australia being colonised once 3½-8½ million years ago. This transoceanic dispersal is conjectured to have taken place through oceanic currents because of the amphidromous life cycle of some taxa of Paratya. Caridina has a very different biogeographic history in Australia, as numerous Australian species have close evolutionary relationships with non-Australian taxa from locations throughout the region. This implies many colonisations to or from Australia over a long period, and thus highlights the surprising adeptness of freshwater shrimp in dispersal across ocean barriers and the unity of much of the region's freshwater biota. A number of potential species radiations within Australia were also identified. This agrees with patterns detected for a large number of Australian freshwater taxa, and implies a vicariant explanation due to the development of colder, dryer climates. The systematic relationships of the remaining two Australian surface genera (Caridinides, Australatya) and two subterranean genera (Parisia, Pycnisia) were also investigated. Australatya forms a strong clade with Pacific 'Atya-like' genera, and Caridinides falls within a clade containing Australian Caridina. The hypogean genera, Parisia and Pycnisia, form a strong clade in all analyses, implying an Australian subterranean speciation. The possibility of a relationship between Parisia/Pycnisia and some Australian Caridina species may have implications for the monophyly of the highly disjunct genus Parisia, as it may descend from local Caridina species and represent convergent morphologies. The common and speciose genus Caridina was used as a model taxon for analyses within Australia. At the medium scale, molecular taxonomic techniques were used to uncover cryptic species within a problematic east Australian species complex. At least five species were detected. Phylogeographic and population genetic analyses were carried out on each of these five cryptic species, which diverged from each other in the late Miocene/Pliocene. There were very large differences between the species in the scales of overall geographic distribution, intraspecific divergence and population structure. These were characterised as either: 1) species with large ranges, low intraspecific divergence, limited phylogeographic structuring (Caridina sp. D); 2) species with large ranges, high intraspecific divergence, a high level of phylogeographic structuring (sp. B); 3) species with a limited range, low intraspecific divergence, no phylogeographic structuring (sp. E); or 4) species with limited ranges, high intraspecific divergences, a high level of phylogeographic structuring (sp. A & C). These patterns reflect a combination of large-scale factors, such as landscape structure and climate change, and small-scale factors, such as species-specific tolerances to local conditions and differing dispersal capabilities. Life history variation (egg size) between species may be correlated with different dispersal abilities. Species with the smallest eggs have the least intraspecific divergence and largest distribution, while those with the biggest eggs have the most divergence and smallest distribution, with medium-sized egg species in between. At the smallest phylogeographic scale, C. sp. C from the sand dune islands of Moreton Bay in southeastern Queensland was further analysed. Two different lineages (C1, C2) were found which diverged from each other during the late Miocene/Pliocene and so are older than the current landscape in which they are found. Small-scale phylogeographic analyses within C1, C2 and a sympatric fish identified divergences dating to the Pleistocene (about 100-300 thousand years ago). This implies that ice age sea-level changes may have structured these populations, although there is little observable influence of the last glacial maximum (about 18 thousand years ago). This study has highlighted a number of taxonomic anomalies within the Atyidae. The detection of many cryptic species implies that biodiversity within freshwater invertebrates is higher than currently appreciated. The evolutionary and biogeographic relationships of Australian atyids have proved complex, with many taxa having their own individual histories. At the large Indo-Pacific scale, dispersal is most evident, but within Australia, both vicariance and dispersal have been responsible for structuring all taxa at every scale.
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Page, Timothy J. "An Evolutionary History of the Freshwater Shrimp Family Atyidae in Australia." Thesis, Griffith University, 2007. http://hdl.handle.net/10072/367826.
Full textAbstract:
The aim of this thesis is to use phylogenetic analyses of mitochondrial DNA to investigate the biogeography and evolutionary relationships within the freshwater shrimp family Atyidae in Australia at a nested series of scales, both geographic and systematic. At the largest scale, the relationships between Australian and Indo-West Pacific species were inferred using the two most common atyid genera in Australia, Caridina and Paratya. Most atyids are hypothesised to have colonised Australia from Southeast Asia, but Paratya may be a Gondwanan relict given its distribution. Australian Paratya all form a strong clade, with a sister relationship to species from Tasman Sea islands. Molecular clock estimates place all of the splits within Paratya after the break-up of Gondwana, with Australia being colonised once 3½-8½ million years ago. This transoceanic dispersal is conjectured to have taken place through oceanic currents because of the amphidromous life cycle of some taxa of Paratya. Caridina has a very different biogeographic history in Australia, as numerous Australian species have close evolutionary relationships with non-Australian taxa from locations throughout the region. This implies many colonisations to or from Australia over a long period, and thus highlights the surprising adeptness of freshwater shrimp in dispersal across ocean barriers and the unity of much of the region's freshwater biota. A number of potential species radiations within Australia were also identified. This agrees with patterns detected for a large number of Australian freshwater taxa, and implies a vicariant explanation due to the development of colder, dryer climates. The systematic relationships of the remaining two Australian surface genera (Caridinides, Australatya) and two subterranean genera (Parisia, Pycnisia) were also investigated. Australatya forms a strong clade with Pacific 'Atya-like' genera, and Caridinides falls within a clade containing Australian Caridina. The hypogean genera, Parisia and Pycnisia, form a strong clade in all analyses, implying an Australian subterranean speciation. The possibility of a relationship between Parisia/Pycnisia and some Australian Caridina species may have implications for the monophyly of the highly disjunct genus Parisia, as it may descend from local Caridina species and represent convergent morphologies. The common and speciose genus Caridina was used as a model taxon for analyses within Australia. At the medium scale, molecular taxonomic techniques were used to uncover cryptic species within a problematic east Australian species complex. At least five species were detected. Phylogeographic and population genetic analyses were carried out on each of these five cryptic species, which diverged from each other in the late Miocene/Pliocene. There were very large differences between the species in the scales of overall geographic distribution, intraspecific divergence and population structure. These were characterised as either: 1) species with large ranges, low intraspecific divergence, limited phylogeographic structuring (Caridina sp. D); 2) species with large ranges, high intraspecific divergence, a high level of phylogeographic structuring (sp. B); 3) species with a limited range, low intraspecific divergence, no phylogeographic structuring (sp. E); or 4) species with limited ranges, high intraspecific divergences, a high level of phylogeographic structuring (sp. A & C). These patterns reflect a combination of large-scale factors, such as landscape structure and climate change, and small-scale factors, such as species-specific tolerances to local conditions and differing dispersal capabilities. Life history variation (egg size) between species may be correlated with different dispersal abilities. Species with the smallest eggs have the least intraspecific divergence and largest distribution, while those with the biggest eggs have the most divergence and smallest distribution, with medium-sized egg species in between. At the smallest phylogeographic scale, C. sp. C from the sand dune islands of Moreton Bay in southeastern Queensland was further analysed. Two different lineages (C1, C2) were found which diverged from each other during the late Miocene/Pliocene and so are older than the current landscape in which they are found. Small-scale phylogeographic analyses within C1, C2 and a sympatric fish identified divergences dating to the Pleistocene (about 100-300 thousand years ago). This implies that ice age sea-level changes may have structured these populations, although there is little observable influence of the last glacial maximum (about 18 thousand years ago). This study has highlighted a number of taxonomic anomalies within the Atyidae. The detection of many cryptic species implies that biodiversity within freshwater invertebrates is higher than currently appreciated. The evolutionary and biogeographic relationships of Australian atyids have proved complex, with many taxa having their own individual histories. At the large Indo-Pacific scale, dispersal is most evident, but within Australia, both vicariance and dispersal have been responsible for structuring all taxa at every scale.Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Australian School of Environmental Studies
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SILVA, Alexandre Duarte Rodrigues da. "Utilização do calcário dolomítico em água doce e com alcalinidade e dureza extremamente baixas, para adequação ao cultivo do camarão marinho Litopenaeus vannamei." Universidade Federal Rural de Pernambuco, 2010. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6205.
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Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq
Culture of Litopenaeus vannamei in freshwater (0.0 g L-1) and low alkalinity and hardness (<50 mg L-1 CaCO3) were performed during 2008 to 2009, with the aim of evaluating the influence of adding of lime, to maximize production indices of shrimp. Post-larvae of this species, with 10 to 12 days (PL10-12), were initially acclimated to fresh water and then stored at density of 17 PL m-2, 12 experimental ponds of 60 m2. The concentrations of lime (4.0, 8.0, 12.0 and 16.0 t ha-1 cycle-1) were evaluated in the presence or absence of fertilizer-based K+ and Mg2+, in completely randomized. The diet was formed based pelleted feed, shrimp with 32% protein, and administered at feeders. The monitoring of physical and chemical qualities of water was carried out in different phases. After 60 days of cultivation,the best survival were observed in treatments of 8.0 and 12.0 t ha-1 without fertilizer, and application of 4.0 t ha-1 in crops with fertilizer. It was concluded that the use of lime favors the growth of L. vannamei in freshwater.
Cultivos do Litopenaeus vannamei, em água doce (0,0 g L-1) e com baixa alcalinidade e dureza (< 50 mg L-1 CaCO3) foram realizados no período de 2008 a 2009, com o objetivo de avaliar a influência da adição de calcário dolomítico, para maximizar os índices zootécnicos desses camarões. Pós-larvas dessa espécie, com 10 a 12 dias (PL10-12), foram inicialmente aclimatadas a água doce e, posteriormente, estocados a densidade de 17 PL m-2, em 12 viveiros experimentais de 60 m2. As concentrações de calcários (4,0, 8,0, 12,0 e 16,0 t ha-1 ciclo-1) foram avaliadas na presença ou não de fertilizantes a base de K+ e Mg2+, em experimentos inteiramente casualizados. A dieta foi constituída a base de ração peletizada,para camarão com 32% de proteína, e administrada em comedouros. O monitoramento das qualidades físicas e químicas da água foi realizado, nas diferentes fases experimentais. Após 60 dias de cultivo, as melhores sobrevivências foram observadas nos tratamentos de 8,0 e 12,0 t ha-1, sem fertilizante, e na aplicação de 4,0 t ha-1 em cultivos com fertilizante. Concluiu-se que a utilização do calcário dolomítico favorece o cultivo do L. vannamei em água doce.
Books on the topic "Fresh water shrimp"
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Shrimp cultivation in fresh water ponds: Problems and prospects. Comilla: Bangladesh Academy for Rural Development (BARD), 2001.
Find full textBook chapters on the topic "Fresh water shrimp"
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Nugroho Susanto, Gregorius. "Crustacea: The Increasing Economic Importance of Crustaceans to Humans." In Arthropods - Are They Beneficial for Mankind? IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96255.
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Crustaceans (subphylum Crustacea) are members of the phylum Arthropods, including crabs, lobsters, crayfish, prawn, shrimp, krill, barnacles, woodlice and beach fleas. The most common types of crustaceans are shrimp and crab. This subphylum is distinguished from other arthropods, including myriapods, insects, and chelicerates, by the presence of two-parted (biramous) appendages, and the hatchling’s nauplius shape. In addition, these arthropods are majorly aquatic, often found in fresh, marine, or brackish water bodies, however, some crabs, hermit crabs, woodlice and other members of the subphylum, are found in terrestrial environments. Also, most crustaceans are free-living while numerous are parasitic (for instance, Rhizocephala, tongue worms, fish lice) and sessile (barnacles). Mostly lived nocturnal. Crustaceans have a great economic importance to humans. The group is of great value directly or indirectly for his health and economic progress, such as aesthetic, commercial, gastronomic, biomedical, bioindicator, biomonitor, geological values, and miscellaneous uses, biodeterioration and poisons.
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Johnson, Sherri L. "Streams and Dreams and Cross-site Studies." In Long-Term Ecological Research. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780199380213.003.0010.
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The influence of the Long-Term Ecological Research (LTER) program on my science has been to broaden my scope through exposure to long-term research and to encourage me to explore major questions across biomes. Communication and outreach with natural resource managers and policy makers has given me insight into translation of science and shaped my research. Through my experiences in the LTER program, I began collaborations with stream ecologists and biogeochemists across sites, which expanded into a high-profile research project that spanned several decades. I encourage scientists to work at LTER sites because they are supportive science communities with a wealth of information to share. Currently, I am a co–principal investigator at the H. J. Andrews Experimental Forest LTER project (AND) in Oregon and have been involved with LTER sites most of my professional life. In 1990, I began graduate research on freshwater shrimp responses to a hurricane at the Luquillo LTER site (LUQ) with Alan Covich, my PhD advisor at the University of Oklahoma. My involvement with LTER research expanded during my postdoctoral fellowship. Through the LTER All Scientists Meetings, I met Julia Jones and other researchers from AND. With their encouragement, I received a National Science Foundation (NSF) Postdoctoral Fellowship Grant in 1996 to examine stream temperature dynamics at AND. After several years at Oregon State University, I was hired by the US Forest Service (USFS) Pacific Northwest Research Station in 2001 as a USFS scientist for AND and became a co–principal investigator in 2002. I have had the benefit of being mentored for multiple years by Fred Swanson and have gradually assumed lead USFS responsibilities for AND. As a stream ecologist, I have studied basic questions and applied issues involving water quality, water quantity, and stream food webs, primarily in forested streams. My research at the LUQ site has examined responses of fresh water shrimp to disturbances and their role in ecosystem dynamics. At AND, my research exploring patterns and controls of stream temperature began as a theoretical landscape-scale question and expanded to examination of temperature responses to flow paths, calculations of heat budgets, and policy implications of forest management (Johnson and Jones 2000; Johnson 2004).
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Schram, Frederick R., and Stefan Koenemann. "Mysida and Stygiomysida." In Evolution and Phylogeny of Pancrustacea, 325–39. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780195365764.003.0025.
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Mysida, ubiquitous in the fresh, brackish, and marine waters of the world, is an order with approximately 1,152 species, whereas Stygiomysida, cave-dwelling and geographically restricted, contains only 16 species. Five genes have proven useful to sort relationships within some genera and subfamilies. Strides have taken place in elucidating the relationships within the possum shrimp, but it has been a long, and still ongoing, analysis. Stygiomysida, however, appear more closely related to mictaceans than they are to the rest of the mysidans. Mysida and Stygiomysida exhibit the classic “caridoid” features. The caridoid facies, however, constitute for the most part primitive, or plesiomorphic, characters—not unique apomorphies.
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Vinothkumar, Renuka, Frank Lucien, and Janet Paterson. "Recovery and Characterization of Astaxanthin Complex from Prawn Waste Extract and Its Separation Using Antisolvent Precipitation Technique." In Agricultural Waste - New Insights [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.107447.
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Most of the prawns are processed as frozen or cooked prawn meat. The remaining waste (heads, tails and shells) is used as a feed supplement or is directly discarded onto the land by food industries, seafood markets and capture fisheries. Disposal onto the land allows prawn waste to decompose easily in the open air and causes high environmental pollution. At the same time, many valuable compounds present in the waste are lost. It has been accepted that those from marine/brackish waters are considered ‘shrimps’ while their counterparts from fresh waters are considered ‘prawns’. There is a need to generate value-added products from these waste materials from an environmental and economical point of view. The recovery of value-added products from waste material is beneficial in two ways: firstly, to solve the waste disposal problem itself and secondly, to generate additional income. This research particularly focuses on the management of prawn waste and this small-scale research was carried out using the hand-peeled waste of school prawns. The major aim of this research is the recovery and characterization of one of the major valuable components of prawn waste called the ‘astaxanthin complex’ and its separation from the organic solvent using the antisolvent precipitation technique, which is an innovative approach.
Conference papers on the topic "Fresh water shrimp"
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Dygert, Joseph P., Melissa L. Morris, Erik M. Messick, and Patrick H. Browning. "Feasibility of an Energy Efficient Large-Scale Aquaponic Food Production and Distribution Facility." In ASME 2014 8th International Conference on Energy Sustainability collocated with the ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/es2014-6567.
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Today the United States is plagued by societal issues, economic insecurity, and increasing health problems. Societal issues include lack of community inclusion, pollution, and access to healthy foods. The high unemployment coupled with the rising cost of crude oil derivatives, and the growing general gap between cost of living and minimum wage levels contribute to a crippled consumer-driven US economy. Health concerns include increasing levels of obesity, cardiovascular disease, cancer, and diabetes. These epidemics lead to staggering economic burdens costing Americans hundreds of billions of dollars each year. It is well-known that many of the health issues impacting Americans can be directly linked to the production, availability, and quality of the food. Factors contributing to the availability of food include reduction of United States farmland, an increase in food imported from overseas, and the cost of goods to the consumer. The quality of food is influenced by the method of growth as well as imposed preservation techniques to support food transportation and distribution. At the same time, it has become increasingly common to implement biotechnology in genetically modified crops for direct human food or indirectly as a livestock feed for animals consumed by humans. Crops are also routinely dosed with pesticides and hormones in an attempt to increase productivity and revenue, with little consideration or understanding of the long term health effects. Research shows that community gardens positively impact local employment, community involvement and inclusivity, and the diets of not only those involved in food production, but all members of their households. The purpose of this work is to determine the feasibility of an energy efficient large-scale aquaponic food production and distribution facility which could directly mitigate growing socioeconomic concerns in the US through applied best practices in sustainability. Aquaponics is a symbiotic relationship between aquaculture and hydroponics, where fish and plants grow harmoniously. The energy efficient facility would be located in an urban area, and employ solar panels, natural lighting, rain water reclamation, and a floor plan optimized for maximum food yield and energy efficiency. Examples of potential crops include multiple species of berries, corn, leafy vegetables, tomatoes, peppers, squash, and carrots. Potential livestock include responsibly farmed tilapia, shrimp, crayfish, and oysters. The large scale aquaponic facility shows a lengthy period for financial return on investment whether traditional style construction of the building or a green construction style is used. However many forms of federal government aid and outside assistance exist for green construction to help drive down the risk in the higher initial investment which in the long run could end up being more profitable than going with a traditionally constructed building. Outside of financial return there are many proven, positive impacts that a large-scale aquaponic facility would have. Among these are greater social involvement and inclusivity, job creation, increased availability of fresh food, and strengthening of America’s agriculture infrastructure leading to increased American independence.