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https://www.readbyqxmd.com/read/28231177/the-goal-of-adequate-nutrition-can-it-be-made-affordable-sustainable-and-universal
#1
REVIEW
Ian McFarlane
Until about 1900, large proportions of the world population endured hunger and poverty. The 20th century saw world population increase from 1.6 to 6.1 billion, accompanied and to some extent made possible by rapid improvements in health standards and food supply, with associated advances in agricultural and nutrition sciences. In this paper, I use the application of linear programming (LP) in preparation of rations for farm animals to illustrate a method of calculating the lowest cost of a human diet selected from locally available food items, constrained to provide recommended levels of food energy and nutrients; then, to find a realistic minimum cost, I apply the further constraint that the main sources of food energy in the costed diet are weighted in proportion to the actual reported consumption of food items in that area...
November 30, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231154/natural-chemical-composition-of-commercial-fish-species-characterisation-of-pangasius-wild-and-farmed-turbot-and-barramundi
#2
Monika Manthey-Karl, Ines Lehmann, Ute Ostermeyer, Ute Schröder
To comply with the relevant legal requirements and correct labelling, it is necessary for business operators and inspection authorities to know the natural characteristics of the raw material. This study gives a comprehensive overview of muscle flesh composition of farmed and wild Atlantic turbot (Scophthalmus maximus) and barramundi (Lates calcarifer) and of farmed pangasius (Pangasianodon hypophthalmus). The proximate composition, di- and triphosphates and citric acid values are presented in order to evaluate possible indicators for a hidden treatment during processing to fillets...
August 30, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28223237/consumer-preferences-for-sustainable-aquaculture-products-evidence-from-in-depth-interviews-think-aloud-protocols-and-choice-experiments
#3
Antje Risius, Meike Janssen, Ulrich Hamm
Fish from aquaculture is becoming more important for human consumption. Sustainable aquaculture procedures were developed as an alternative to overcome the negative environmental impacts of conventional aquaculture procedures and wild fisheries. The objective of this contribution is to determine what consumers expect from sustainable aquaculture and whether they prefer sustainable aquaculture products. A combination of qualitative research methods, with think aloud protocols and in-depth interviews, as well as quantitative methods, using choice experiments and face-to-face interviews, was applied...
February 18, 2017: Appetite
https://www.readbyqxmd.com/read/28223110/h2a-and-ca-l-hipposin-gene-characteristic-analysis-and-expression-responses-to-aeromonas-hydrophila-infection-in-carassius-aurutus
#4
Xianghui Kong, Xiangmin Wu, Chao Pei, Jie Zhang, Xianliang Zhao, Li Li, Guoxing Nie, Xuejun Li
Antimicrobial peptide is an important component of the host innate immune system and thus serves a crucial function in host defense against microbial invasion. In this study, H2A and derived antimicrobial peptide Ca-L-hipposin were cloned and characterized in Carassius aurutus. The gene H2A full-length cDNA is 908 bp and includes a 5'-terminal untranslated region (UTR) of 55 bp and a 3'-terminal UTR of 466 bp with a canonical polyadenylation signal sequence AATAA, as well as an open reading frame (ORF) of 387 bp encoding a polypeptide of 128 amino acids, with a molecular weight of 13...
February 18, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28222923/consumption-of-aquaculture-waste-affects-the-fatty-acid-metabolism-of-a-benthic-invertebrate
#5
Camille A White, Raymond J Bannister, Symon A Dworjanyn, Vivian Husa, Peter D Nichols, Tina Kutti, Tim Dempster
Trophic subsidies can drive widespread ecological change, thus knowledge of how keystone species respond to subsidies is important. Aquaculture of large carnivorous fish generates substantial waste as faeces and lost feed, providing a food source to mobile benthic invertebrates. We used a controlled feeding study combined with a field survey to better understand the interaction between salmon aquaculture and the sea urchin, Echinus acutus, a dominant mobile invertebrate in Norwegian fjords. We tested if diets affected urchin fatty acid composition by feeding them one of three diet treatments ("aquafeed", "composite" and "natural") for 10weeks...
February 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28222784/experimental-infections-of-different-carp-strains-with-the-carp-edema-virus-cev-give-insights-into-the-infection-biology-of-the-virus-and-indicate-possible-solutions-to-problems-caused-by-koi-sleepy-disease-ksd-in-carp-aquaculture
#6
Mikolaj Adamek, Anna Oschilewski, Peter Wohlsein, Verena Jung-Schroers, Felix Teitge, Andy Dawson, David Gela, Veronika Piackova, Martin Kocour, Jerzy Adamek, Sven M Bergmann, Dieter Steinhagen
Outbreaks of koi sleepy disease (KSD) caused by carp edema virus (CEV) may seriously affect populations of farmed common carp, one of the most important fish species for global food production. The present study shows further evidence for the involvement of CEV in outbreaks of KSD among carp and koi populations: in a series of infection experiments, CEV from two different genogroups could be transmitted to several strains of naïve common carp via cohabitation with fish infected with CEV. In recipient fish, clinical signs of KSD were induced...
February 21, 2017: Veterinary Research
https://www.readbyqxmd.com/read/28222377/identification-of-autophagy-related-genes-lc3-and-atg4-from-yellow-catfish-pelteobagrus-fulvidraco-and-their-transcriptional-responses-to-waterborne-and-dietborne-zinc-exposure
#7
Chuan-Chuan Wei, Zhi Luo, Yu-Feng Song, Ya-Xiong Pan, Kun Wu, Wen-Jing You
Autophagy mediates the regulation of lipid metabolism. Moreover, our recent study indicated that waterborne and dietborne zinc (Zn) exposure differentially influenced lipid metabolism in a fish species of significance for aquaculture, yellow catfish Pelteobagrus fulvidraco, but further mechanism remained unknown. The hypothesis of the present study is that autophagy mediated the Zn-induced changes of lipid metabolism of yellow catfish subjected to different exposure pathways. To this end, we cloned key genes involved in autophagy in yellow catfish, explored their mRNA expressions in responses to different Zn exposure pathways...
February 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28221964/methods-and-processes-of-developing-the-strengthening-the-reporting-of-observational-studies-in-epidemiology-veterinary-strobe-vet-statement
#8
J M Sargeant, A M O'Connor, I R Dohoo, H N Erb, M Cevallos, M Egger, A K Ersbøll, S W Martin, L R Nielsen, D L Pearl, D U Pfeiffer, J Sanchez, M E Torrence, H Vigre, C Waldner, M P Ward
Reporting of observational studies in veterinary research presents challenges that often are not addressed in published reporting guidelines. Our objective was to develop an extension of the STROBE (Strengthening the Reporting of Observational Studies in Epidemiology) statement that addresses unique reporting requirements for observational studies in veterinary medicine related to health, production, welfare, and food safety. We conducted a consensus meeting with 17 experts in Mississauga, Canada. Experts completed a premeeting survey about whether items in the STROBE statement should be modified or added to address unique issues related to observational studies in animal species with health, production, welfare, or food safety outcomes...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221901/prevalence-and-persistence-of-listeria-monocytogenes-in-ready-to-eat-tilapia-sashimi-processing-plants
#9
Bang-Yuan Chen, Chung-Yi Wang, Chia-Lan Wang, Yang-Chi Fan, I-Ting Weng, Chung-Hsi Chou
A 2-year study was performed at two ready-to-eat tilapia sashimi processing plants (A and B) to identify possible routes of contamination with Listeria monocytogenes during processing. Samples were collected from the aquaculture environments, transportation tanks, processing plants, and final products. Seventy-nine L. monocytogenes isolates were found in the processing environments and final products; 3.96% (50 of 1,264 samples) and 3.86% (29 of 752 samples) of the samples from plants A and B, respectively, were positive for L...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28219739/gapa-a-potential-vaccine-candidate-antigen-against-streptococcus-agalactiae-in-nile-tilapia-oreochromis-niloticus
#10
Ze Zhang, Angen Yu, Jiangfeng Lan, Hua Zhang, Minqiang Hu, Jiewei Cheng, Lijuan Zhao, Li Lin, Shun Wei
Streptococcosis due to the bacterium Streptococcus agalactiae (S. agalactiae) has resulted in enormous economic losses in aquaculture worldwide, especially in the tilapia culture industry. Previously, there were limited vaccines that could be employed against streptococcosis in tilapia. This study aimed to develop a vaccine candidate using the glyceraldehyde-phosphate dehydrogenase protein (GapA) of S. agalactiae encoded by the gapA gene. Tilapia were intraperitoneally injected with PBS, PBS + Freund's adjuvant, PBS + Montanide's adjuvant, GapA + Freund's adjuvant, GapA + Montanide's adjuvant, killed S...
February 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28219347/aquaculture-genomics-genetics-and-breeding-in-the-united-states-current-status-challenges-and-priorities-for-future-research
#11
EDITORIAL
Hisham Abdelrahman, Mohamed ElHady, Acacia Alcivar-Warren, Standish Allen, Rafet Al-Tobasei, Lisui Bao, Ben Beck, Harvey Blackburn, Brian Bosworth, John Buchanan, Jesse Chappell, William Daniels, Sheng Dong, Rex Dunham, Evan Durland, Ahmed Elaswad, Marta Gomez-Chiarri, Kamal Gosh, Ximing Guo, Perry Hackett, Terry Hanson, Dennis Hedgecock, Tiffany Howard, Leigh Holland, Molly Jackson, Yulin Jin, Karim Kahlil, Thomas Kocher, Tim Leeds, Ning Li, Lauren Lindsey, Shikai Liu, Zhanjiang Liu, Kyle Martin, Romi Novriadi, Ramjie Odin, Yniv Palti, Eric Peatman, Dina Proestou, Guyu Qin, Benjamin Reading, Caird Rexroad, Steven Roberts, Mohamed Salem, Andrew Severin, Huitong Shi, Craig Shoemaker, Sheila Stiles, Suxu Tan, Kathy F J Tang, Wilawan Thongda, Terrence Tiersch, Joseph Tomasso, Wendy Tri Prabowo, Roger Vallejo, Hein van der Steen, Khoi Vo, Geoff Waldbieser, Hanping Wang, Xiaozhu Wang, Jianhai Xiang, Yujia Yang, Roger Yant, Zihao Yuan, Qifan Zeng, Tao Zhou
Advancing the production efficiency and profitability of aquaculture is dependent upon the ability to utilize a diverse array of genetic resources. The ultimate goals of aquaculture genomics, genetics and breeding research are to enhance aquaculture production efficiency, sustainability, product quality, and profitability in support of the commercial sector and for the benefit of consumers. In order to achieve these goals, it is important to understand the genomic structure and organization of aquaculture species, and their genomic and phenomic variations, as well as the genetic basis of traits and their interrelationships...
February 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28219339/deep-illumina-sequencing-reveals-conserved-and-novel-micrornas-in-grass-carp-in-response-to-grass-carp-reovirus-infection
#12
Libo He, Aidi Zhang, Pengfei Chu, Yongming Li, Rong Huang, Lanjie Liao, Zuoyan Zhu, Yaping Wang
BACKGROUND: The grass carp hemorrhagic disease caused by the grass carp reovirus (GCRV) is a major disease that hampers the development of grass carp aquaculture. The mechanism underlying GCRV pathogenesis and hemorrhagic symptoms is still unknown. MicroRNAs (miRNAs) are key regulators involved in various biological processes. The aim of this study was to identify conserved and novel miRNAs in grass carp in response to GCRV infection, as well as attempt to reveal the mechanism underlying GCRV pathogenesis and hemorrhagic symptoms...
February 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28217117/the-promise-of-whole-genome-pathogen-sequencing-for-the-molecular-epidemiology-of-emerging-aquaculture-pathogens
#13
REVIEW
Sion C Bayliss, David W Verner-Jeffreys, Kerry L Bartie, David M Aanensen, Samuel K Sheppard, Alexandra Adams, Edward J Feil
Aquaculture is the fastest growing food-producing sector, and the sustainability of this industry is critical both for global food security and economic welfare. The management of infectious disease represents a key challenge. Here, we discuss the opportunities afforded by whole genome sequencing of bacterial and viral pathogens of aquaculture to mitigate disease emergence and spread. We outline, by way of comparison, how sequencing technology is transforming the molecular epidemiology of pathogens of public health importance, emphasizing the importance of community-oriented databases and analysis tools...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28217108/chemotaxis-without-conventional-two-component-system-based-on-cell-polarity-and-aerobic-conditions-in-helicity-switching-swimming-of-spiroplasma-eriocheiris
#14
Peng Liu, Huajun Zheng, Qingguo Meng, Natsuho Terahara, Wei Gu, Shengyue Wang, Guoping Zhao, Daisuke Nakane, Wen Wang, Makoto Miyata
Spiroplasma eriocheiris is a pathogen that causes mass mortality in Chinese mitten crab, Eriocheir sinensis. S. eriocheiris causes tremor disease and infects almost all of the artificial breeding crustaceans, resulting in disastrous effects on the aquaculture economy in China. S. eriocheiris is a wall-less helical bacterium, measuring 2.0 to 10.0 μm long, and can swim up to 5 μm per second in a viscous medium without flagella by switching the cell helicity at a kink traveling from the front to the tail. In this study, we showed that S...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28215865/triple-trouble-invasive-poeciliid-fishes-carry-the-introduced-tilapia-pathogen-gyrodactylus-cichlidarum-in-the-mexican-highlands
#15
Adriana García-Vásquez, Ulises Razo-Mendivil, Miguel Rubio-Godoy
As part of ongoing surveys of the gyrodactylid parasite fauna of freshwater fishes in Mexico, we recorded the infection of three species of poeciliids (Poecilia mexicana, Poeciliopsis gracilis, and Pseudoxiphophorus bimaculatus [syn.=Heterandria bimaculata]) with Gyrodactylus cichlidarum, a monogenean parasite of cichlid fishes, which has been co-introduced globally with its translocated, African "tilapia" hosts. This tilapia pathogen was found on poeciliid fishes both within their native distribution range in the Gulf of Mexico slope, as well as on invasive species artificially introduced to the Mexican highlands, to rivers draining into the Pacific Ocean...
February 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28215328/characterization-and-applications-of-marine-microbial-enzymes-in-biotechnology-and-probiotics-for-animal-health
#16
T H Nguyen, V D Nguyen
Marine microorganisms have been recognized as potential sources of novel enzymes because they are relatively more stable than the corresponding enzymes derived from plants and animals. Enzymes from marine microorganisms also differ from homologous enzymes in terrestrial microorganisms based on salinity, pressure, temperature, and lighting conditions. Marine microbial enzymes can be used in diverse industrial applications. This chapter will focus on the biotechnological applications of marine enzymes and also their use as a tool of marine probiotics to improve host digestion (food digestion, food absorption, and mucus utilization) and cleave molecular signals involved in quorum sensing in pathogens to control disease in aquaculture...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28215324/bacillus-probiotic-enzymes-external-auxiliary-apparatus-to-avoid-digestive-deficiencies-water-pollution-diseases-and-economic-problems-in-marine-cultivated-animals
#17
Jorge Olmos Soto
Exploitation of marine fishes is the main source of several life-supporting feed compounds such as proteins, lipids, and carbohydrates that maintain the production of most trading marine organisms by aquaculture. However, at this rate the marine inventory will go to the end soon, since fishery resources are finite. In this sense, the availability of the principal ingredients obtained from marine fishes is going to decrease considerably, increasing the diet prices and affecting the economy of this activity. Therefore, aquaculture industry needs to find nonexpensive land unconventional resources of protein, carbohydrates, and lipids and use bacterial probiotics to improve digestion-assimilation of these unfamiliar compounds...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28214918/first-record-of-three-african-trichodinids-ciliophora-peritrichida-in-cultured-nile-tilapia-oreochromis-niloticus-in-saudi-arabia-with-re-evaluation-of-their-host-specificity
#18
Abdel-Azeem Sh Abdel-Baki, Ali Al Ghamdi, Saleh Al-Quraishy
Saudi Arabia has a developing aquaculture industry that farms primarily tilapia. Although trichodinids are presumably the most usually encountered protozoan parasites in these cultured fish, they have rarely been studied in this context, and there is no data on the species that might infect cultured tilapia in Saudi Arabia. The present study was therefore carried out as a general survey to investigate the occurrence and identify the species of trichodinids that can infect cultured tilapia (Oreochromis niloticus) in Saudi Arabia...
February 18, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28210987/antiviral-activity-of-ctn-15-34-a-cathelicidin-derived-eicosapeptide-against-infectious-myonecrosis-virus-in-litopenaeus-vannamei-primary-hemocyte-cultures
#19
P R N Vieira-Girão, C B Falcão, I R C B Rocha, H M R Lucena, F H F Costa, G Rádis-Baptista
The shrimp farming has been converted into a mature aquaculture industry dealing with over millions of metric tonnes of processed commodities. Nevertheless, the global shrimp productions are constantly threatened by disease outbreaks, mainly triggered by rapidly disseminating viruses. Infectious myonecrosis virus (IMNV) is one of these epizootic agents affecting shrimp production in Brazil, of which no treatment exists. Herein, the antiviral activity against IMNV of an eicosapeptide, named Ctn[15-34], derived from a member of the cathelicidin family of antimicrobial peptides, was demonstrated...
February 16, 2017: Food and Environmental Virology
https://www.readbyqxmd.com/read/28210241/outer-membrane-proteins-form-specific-patterns-in-antibiotic-resistant-edwardsiella-tarda
#20
Bo Peng, Chao Wang, Hui Li, Yu-Bin Su, Jin-Zhou Ye, Man-Jun Yang, Ming Jiang, Xuan-Xian Peng
Outer membrane proteins of Gram-negative bacteria play key roles in antibiotic resistance. However, it is unknown whether outer membrane proteins that respond to antibiotics behave in a specific manner. The present study specifically investigated the differentially expressed outer membrane proteins of an antibiotic-resistant bacterium, Edwardsiella tarda, a Gram-negative pathogen that can lead to unnecessary mass medication of antimicrobials and consequently resistance development in aquaculture and a spectrum of intestinal and extraintestinal diseases in humans...
2017: Frontiers in Microbiology
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