Sumanleo aquaculture
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Aquaculture is defined as the farming of aquatic organisms such as fish, crustaceans, mollusks, and seaweed. It involves cultivating these organisms in controlled freshwater or saltwater environments. The document discusses the history of aquaculture, commonly cultured species, current global production levels, nutritional and economic benefits, career opportunities, and relevant academic journals. Aquaculture is one of the fastest growing food production systems and accounts for approximately 25% of seafood consumed in the US.
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Austin Journal of Aquaculture and Marine Biology is an open access, peer reviewed, scholarly journal dedicated to publish articles related to original and novel fundamental research in the field of Aquaculture and Marine Biology.
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Austin Journal of Aquaculture and Marine Biology is an open access, peer reviewed, scholarly journal dedicated to publish articles related to original and novel fundamental research in the field of Aquaculture and Marine Biology.
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Austin Journal of Aquaculture and Marine Biology is an open access, peer reviewed, scholarly journal dedicated to publish articles related to original and novel fundamental research in the field of Aquaculture and Marine Biology.
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Aquaculture
Fisheries and aquaculture make a big contribution to development in the areas of employment. Describing the importance of aquaculture is not an easy task. According to M. Shahbandeh, the number of people who were engaged in fishing and aquaculture amounted to around 40.34 million and 19.27 million respectively worldwide in 2016 and the number has been increasing day by day since 1995. The vast majority of them are from developing countries, working in fish production or fish raising, fish processing, harvesting, and small-scale fish business.
Importance of Aquaculture
Aquaculture; Image: aquaculturealliance.org
Table of Contents
Aquaculture
Aquaculture is the controlled process of rearing, breeding and harvesting of aquatic species, both animals and plants, especially for human consumption, though it is controlled aquatic environments like the oceans, lakes, rivers, ponds, and streams. Its a similar conception to agriculture, but with fish instead of plants or livestock. It also serves various functions such as food production, restoration of threatened and endangered species populations, wild stock population enhancement, the building of aquariums, and fish cultures, and habitat restoration.
History of Aquaculture
The husbandry of fish is therefore not a new phenomenon. Ancient practices based on the modifications of natural bodies of water or wetlands to entrap young fish in enclosures until harvest have just evolved into more systematic and scientific methods and techniques.
Aquaculture has a long tradition, which is about 4 000 years, and form the beginning of the time man identified the importance of aquaculture.. Probably aquaculture began in China before very long ago, due to the wants of an emperor to have an unremitting supply of fish in his land. It is supposed that the proficiencies for keeping fish in ponds originated in China with fishermen who kept their extra catch alive temporarily in baskets submerged in rivers or small bodies of water created by damming one side of a river bed.(Ling, S.W,Aquaculture in Southeast Asia: A Historical Overview,A Washington Sea Grant Publication).
Another theory is that aquaculture arose from ancient practices for pinning down fish, with the operations steadily improving from trapping-holding to trapping-holding-growing, and finally into complete agriculture or farming practices.
Methods of Aquaculture
The methods of aquacultures farm-to-table process can differ from species to species. Generally, there are four stages of the production chain, starting in hatcheries and ending at the seafood counter in your grocery store. Four stages are:
stages of the production chain
Stages of Production; Image: Ruddra
Each of these stages may vary concerning its effect on the environment and the quality and safety of the seafood they produce.
The first stage in the aquaculture production chain is the hatchery. This is where the breeding of fish, hatchDr. John Hawke - Exploring Lessons from Disease Management in Commercial Aqua...
Dr. John Hawke - Exploring Lessons from Disease Management in Commercial Aqua...John Blue
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Exploring Lessons from Disease Management in Commercial Aquaculture - Dr. John Hawke, Professor, Chief Diagnostician, Louisiana Aquatic Diagnostic Laboratory, Louisiana State University, from the 2016 Boehringer Ingelheim Vetmedica, Inc. Swine Health Seminar, February 26, New Orleans, LA, USA.
More presentations at http://www.swinecast.com/2016-boehringer-ingelheim-aasvFishery
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Fascism, National-Socialism, HistoryARepeatingFastRadioBurstSourceinaLow-luminosityDwarfGalaxy
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Wepresent the localizationandhostgalaxyofFRB20190208A, arepeatingsourceof fast radiobursts (FRBs) discoveredusingCHIME/FRB.Aspartof thePinpointingREpeatingChImeSourceswithEVNdishesrepeater localizationprogramon theEuropeanVLBINetwork (EVN),wemonitoredFRB20190208Afor 65.6hr at 1.4GHzanddetectedasingleburst,whichledtoitsverylongbaselineinterferometrylocalizationwith260mas uncertainty(2).Follow-upopticalobservationswiththeMMTObservatory(i25.7mag(AB))foundnovisible hostattheFRBposition.SubsequentdeeperobservationswiththeGranTelescopioCanarias,however,revealedan extremelyfaintgalaxy(r=27.32賊0.16mag),verylikely(99.95%)associatedwithFRB20190208A.Giventhe dispersionmeasureoftheFRB(580pccm3),eventhemostconservativeredshiftestimate( ~ z 0.83 max )implies TheAstrophysicalJournalLetters,977:L4(17pp),2024December10 https://doi.org/10.3847/2041-8213/ad8ce1 息2024.TheAuthor(s).PublishedbytheAmericanAstronomicalSociety. 30BantingFellow. 31McGillSpaceInstituteFellow. 32 FRQNTPostdoctoralFellow. Originalcontent fromthisworkmaybeusedunder theterms of theCreativeCommonsAttribution4.0licence.Anyfurther distributionofthisworkmustmaintainattributiontotheauthor(s)andthetitle of thework, journalcitationandDOI. 1The Astrophysical Journal Letters, 977:L4 (17pp), 2024 December 10 Hewitt et al. that this is the lowest-luminosity FRB host to date (108 Le), even less luminous than the dwarf host of FRB20121102A. We investigate how localization precision and the depth of optical imaging affect host association and discuss the implications of such a low-luminosity dwarf galaxy. Unlike the other repeaters with low-luminosity hosts, FRB 20190208A has a modest Faraday rotation measure of a few tens of rad m2, and EVN plus Very Large Array observations reveal no associated compact persistent radio source. We also monitored FRB20190208A for 40.4hr over 2yr as part of the Extragalactic Coherent Light from Astrophysical Transients repeating FRB monitoring campaign on the Nan巽ay Radio Telescope and detected one burst. Our results demonstrate that, in some cases, the robust association of an FRB with a host galaxy will require both high localization precision and deep optical follow-up. Unified Astronomy Thesaurus concepts: Radio bursts (1339); Radio transient sources (2008); Very long baseline interferometry (1769); Dwarf galaxies (416)
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Rytis Jurkonis from Kaunas University of Technology (Lithuania) presented their recent work entitled Automating Compression Ultrasonography of Human Thigh Tissue and Vessels via Strain Estimation." Rytis presented on the methodology along the novel wearable hardware developed to automate compression ultrasonography for DVT detection in the lower limbs. In addition, preliminary results were shared, highlighting the feasibility of an operator-independent method to perform compression ultrasonography.
Presented at BIOSTEC 2025 in Porto, Portugal.
About ThrombUS+: Our interdisciplinary approach centers around creating a novel wearable diagnostic device utilizing autonomous, AI-driven DVT detection. This groundbreaking device incorporates wearable ultrasound hardware, impedance plethysmography, and light reflection rheography for early clot detection. ThrombUS+ is designed for postoperative patients, those undergoing lengthy surgical procedures, cancer patients, bedridden individuals at home or in care units, and women during pregnancy and postpartum.
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About ThrombUS+:
Our interdisciplinary approach centers around creating a novel wearable diagnostic device utilizing autonomous, AI-driven DVT detection. This groundbreaking device incorporates wearable ultrasound hardware, impedance plethysmography, and light reflection rheography for early clot detection. Activity and physiological measurements will continuously assess DVT risk, supporting prevention through serious gaming. An intelligent decision support unit will provide real-time monitoring and alerts, with extended reality guiding users for optimal device utilization.
ThrombUS+ is designed for postoperative patients, those undergoing lengthy surgical procedures, cancer patients, bedridden individuals at home or in care units, and women during pregnancy and postpartum.
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How could modern LA research address data-related ethics issues in informal and situated professional learning? I will identify in this talk three relevant insights based on field studies around workplace LA interventions: Firstly, in informal and situated learning, data isnt just about the learners. Secondly, the affordances of manual and automatic data tracking for learning are very different, with manual tracking allowing a high degree of learner control over data. Thirdly, learning is not necessarily a shared goal in workplaces. These can be translated into seeing a potential for systems endowed with sufficient natural-language-processing capability (now seemingly at our fingertips with LLMs), and socio-technical design and scenario-based data collection analysis as design and research methods.(Journal Club) Folding DNA to create nanoscale shapes and patterns
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Journal Club (11/21/19)
Folding DNA to create nanoscale shapes and patternsScientific Pig Farming Manual for Pig Farmers
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Pig farming, pork farming, pig production or hog farming is the raising and breeding of domestic pigs as livestock, and is a branch of animal husbandry. Pigs are farmed principally for food (e.g. pork: bacon, ham, gammon) and skins.
Pigs are amenable to many different styles of farming: intensive commercial units, commercial free range enterprises, or extensive farming (being allowed to wander around a village, town or city, or tethered in a simple shelter or kept in a pen outside the owner's house). Historically, farm pigs were kept in small numbers and were closely associated with the residence of the owner, or in the same village or town.[1] They were valued as a source of meat and fat, and for their ability to convert inedible food into meat and manure, and were often fed household food waste when kept on a homestead.[2] Pigs have been farmed to dispose of municipal garbage on a large scale.[3]
All these forms of pig farm are in use today, though intensive farms are by far the most popular, due to their potential to raise a large amount of pigs in a very cost-efficient manner.[4] In developed nations, commercial farms house thousands of pigs in climate-controlled buildings.[5] Pigs are a popular form of livestock, with more than one billion pigs butchered each year worldwide, 100 million in the United States. The majority of pigs are used for human food, but also supply skin, fat and other materials for use in clothing, ingredients for processed foods,[6] cosmetics,[7] and medical use.[8]Pig farming has gained importance today. Pigs have inherited capacity to acclimatize with varying climatic conditions. Pigs cannot withstand high temperature climate.
Pigs are adjusted to varied rearing practices and consume different types of food (Omnivorous) to attain higher growth and meat production.
Pigs will attain 60-70kg body weight in 6-8months period.
Female pigs i.e., sows will come to heat at age of 8-9 months but avoid using male pigs (Boars) for breeding purpose until it attains one year of age.
Adult sows when bred during right time after attaining maturity will farrow 8-12 piglets in 112-118 days of gestation period (i.e., about 4 months of gestation). Feedefficiencyis to gain one Kg live weightfor every 2.75-3kg feed consumed (FCR: 1:2.75). There are many advantageous in pig rearing. Pork is available at a cheaper price with nutritious and highly palatable tasty meat of higher quality animal protein. Pig bones are used for producing bone meal and also used for purification of sugar in sugar industry.
The manure droppings and urine are good fertilizers which enhance the soil fertilityand improve grain production.
Pig hairs (Bristles) are used for making brushes and ropes, hooves are used for shirt button making and preparation of gum. Hence, pigs are called as multi utility domestic animals. Farmers can take up piggery farming and reduce their debt burden and improve their profits and livelihood.
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Useful to studentsOverview of basic statistical mechanics of NNs
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Overview of topics in the paper
A walk in the statistical mechanical formulation of neural networks (2014)
https://arxiv.org/abs/1407.5300
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SUMMARY
Based on human relationship with bacteria, virulence is one of the most important case to us. Some forms of virulence thought to arise only from the actions of bacteria are not actually caused by them but are indirectly influenced by another counterpart in the microbial mix of the ecosystem called bacteriophage; viruses that only infect prokaryotes such as bacteria but not eukaryotes. Bacteriophages preferably attack bacteria due to the lack of specific receptors for phages on eukaryotic cells which are found in bacteria e.g. peptide sequences and polysaccharide moieties in gram positive and gram negative bacteria, bacterial capsules, slime layers, flagella etc. They recognize and bind to bacteria using appropriate receptors, subsequently proceeding to inject their genome called prophage into their host. This review focuses on the most probable outcomes of phage-host interactions via the lytic and lysogenic cycles which are therapeutic effect and pathogenicity/resistance to antibiotics respectively. By lysogenic conversion or transfer of acquired genetic materials via transduction, phages can confer unusual traits such as virulence and antibiotics resistance. Important pathogenic bacteria that cause persistent and critical infections which have their pathogenicity engineered by phages include Pseudomonas aeruginosa, Salmonella enterica, Escherichia coli, Vibrio cholerae, Staphylococcus spp., and Clostridium spp.
The prophages influence their virulence in a variety of ways which include: contribution to the production of phage-encoded toxins, modification of the bacterial envelope, mediation of bacterial infectivity, and control of bacterial cell regulation. The unwavering threat of antimicrobial resistance in global health, extreme difficulty involved in developing novel antibiotics, and the rate at which microorganisms develop resistance to newly introduced antimicrobials have sparked urgency and interest in research for effective methods to eradicate pathogenic bacteria and limit antibiotic resistance. As a result, interest in phage therapy has been reignited because of the high efficiency in detecting and killing pathogenic bacteria by phages.
Science project class 10 Covid-19 Tuberculosis
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Coronaviruses are a large family of
Viruses that are common
Throughout the world and can cause
Respiratory illness in people and
Animals.
Cell Structure & Function | Cambridge IGCSE Biology
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This IGCSE Biology presentation provides a detailed look at cell structure and function, covering the differences between animal and plant cells, the roles of organelles (nucleus, mitochondria, ribosomes, etc.), specialized cells, and levels of organization. Learn about diffusion, osmosis, and active transport in cells, with clear diagrams and explanations to support exam preparation. A must-have resource for Cambridge IGCSE students!Leafcurl viral disease presentation.pptx
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This ppt shows about viral disease in plants and vegetables.It shows different species of virus effect on plants along their vectors which carries those tiny microbes.2025-03-03-Data-related-Ethics Issues in Technologies for Professional Learni...
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Unjustly Incriminating Bacteria: the Role of Bacteriophages in Bacterial Infe...
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Sumanleo aquaculture
- 2. Aquaculture Defined? The art of cultivating the natural produce of water. Farming of aquatic organisms in natural or controlled marine or freshwater environments Rearing of aquatic organisms under controlled or semi-controlled conditions. Husbandry of organisms in an aquatic ecosystem Rearing of aquatic organisms under controlled or semi-controlled conditions Mariculture (old name) marine or brackish water
- 3. Aquaculture Classified Intensive Aquaculture: Highly controlled, high density, RAS, raceways, confined (industrialized) Extensive Aquaculture: Minimal control,Extensive Aquaculture: Minimal control, lower density, ponds, third worldlower density, ponds, third world
- 4. History of Aquaculture Egyptian tombs have bas-relief of fish (tilapia) being removed from ponds 2500 B.C. Carp were farmed in China as early as 2500 B.C. Wen Fang founder of the Chou Dynasty is called the first fish farmer (during exile he kept records of fish growth and behavior) Fan Li wrote first book on fish farming 475 B.C. Lee family Were the first to polyculture carp during the Tang Dynasty 600 to 900 A.D. England 1500 A.D. carp culture was introduced U.S. first fish hatchery was in Oregon 1877
- 6. Commonly Cultured Fish Foodfish Many species Ornamental fish Aquaria Backyard ponds Bait fish Minnows Shiners Goldfish (carp) Natural stock enhancement Salmon Trout Black sea bass Red Drum Many others
- 7. Commonly Cultured Crustaceans Marine (Penaeid) shrimp Freshwater shrimp (prawns) Crabs Crayfish Lobsters Brine Shrimp
- 8. Commonly Cultured Molluscs Clams Oysters Mussels Abalone Urchins
- 9. Additional Cultured Organisms Seaweed Food for Abalone Extraction of nutrients for vitamins Corals / Sponges / Sea Fans Extraction of medicines Aquarium trade Live rock Aquarium trade
- 10. Current Aquaculture Production Aquaculture is the fastest growing sector of U.S. agriculture with an approximate annual growth rate of 10% Currently aquaculture accounts for 25% of all seafood consumed in the U.S.
- 11. World Aquaculture Production In 2000 45.51 million metric tons by weight of aquaculture products Equal to US $56.47 billion China is the largest aquaculture producing country in the world
- 12. Proportion of Total Aquaculture Production for Different Taxonomic Groups
- 13. Aquaculture Production, Ocean Fisheries, and Fishmeal Production
- 14. Why Aquaculture Products? U.S. or locally grown (Exclusive Economic Zones) Control: Food fed, Density, Quality of product Sustainable in the face of Finite Resources overfishing and habitat destruction antangonists Diversify farm income ProximityFarms may be closer to local markets. Fuel Cost $$$
- 15. Why Aquaculture Products? Health Consciousness (protein, FAs, micronutrients) -2 fish meals/week decreases mortality from heart problems 50% -Omega-3 fatty acids decreases occurrence of heart disease (oily marine fish Salmon) American Cancer Association -Regular fish consumption decreases chances of colon cancer 50% Efficiency of growth(see next slide)
- 17. Aquaculture is a Diverse Field Biology Ecology Nutrition Handling and hauling Water quality Disease Marketing Culture techniques
- 18. Employment Opportunities Fisheries biology Public aquariums Research positions Education Laboratories Genetic studies Nutritional studies Disease studies Water quality State hatcheries Technicians Biologists Private operations Biologist Assistant manager Manager Open your own operation
- 19. Aquaculture Journals Journal of the World Aquaculture Society North American Journal of Aquaculture (PFC) Aquaculture Journal of Applied Aquaculture Aquaculture Nutrition Aquaculture Research Journal of Aquatic Animal Health Transaction of the American Fisheries Society