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Fish nutrition

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https://www.readbyqxmd.com/read/28721583/microbial-and-genetically-engineered-oils-as-replacements-for-fish-oil-in-aquaculture-feeds
#1
REVIEW
M Sprague, M B Betancor, D R Tocher
As the global population grows more of our fish and seafood are being farmed. Fish are the main dietary source of the omega-3 (n-3) long-chain polyunsaturated fatty acids (LC-PUFA), eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids, but these cannot be produced in sufficient quantities as are now required for human health. Farmed fish have traditionally been fed a diet consisting of fishmeal and fish oil, rich in n-3 LC-PUFA. However, the increase in global aquaculture production has resulted in these finite and limited marine ingredients being replaced with sustainable alternatives of terrestrial origin that are devoid of n-3 LC-PUFA...
July 18, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28720946/effect-of-partial-replacement-of-porcine-fat-with-pre-emulsified-soybean-oil-using-fish-protein-isolate-as-emulsifier-on-characteristic-of-sausage
#2
Nopparat Cheetangdee
Partial replacement of animal fats with n-3 rich oils is a promising way to improve nutritive value of meat products. In the present work, the effects of porcine fat substitution with soybean oil (SBO) on characteristics of sausages were studied at the oil substitution levels of 25, 35, and 45% by weight of porcine fat. SBO was introduced to the sausages alternatively in native or pre-emulsified forms, the latter with fish protein isolate (FPI) or Na-caseinate (Nc) as emulsifier. Characteristics of the sausages, including cooking loss, water holding capacity, texture attributes, microstructure, and color, were then determined...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28717104/dexamethasone-induced-hepatomegaly-and-steatosis-in-larval-zebrafish
#3
Guojun Yin, Liping Cao, Jinliang Du, Rui Jia, Takio Kitazawa, Akira Kubota, Hiroki Teraoka
Fish hepatobiliary syndrome, characterized by hepatomegaly and fatty liver, has been frequently reported in many cultured fish species and has caused a dramatic economic loss in China. Glucocorticoids are thought to be important non-nutritional factors for hepatomegaly and fatty liver development. In the present study, a dexamethasone-induced zebrafish model of fatty liver and hepatomegaly was established, and the role of glucocorticoid receptor (GR) in the development of hepatomegaly and fatty liver was investigated using developing zebrafish...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28715656/the-prevalence-of-malnutrition-and-its-associated-risk-factors-among-women-of-reproductive-age-in-ziway-dugda-district-arsi-zone-oromia-regional-state-ethiopia
#4
Abebe Ferede, Firaol Lemessa, Mesfin Tafa, Solomon Sisay
OBJECTIVES: Adequate nutrition is an important factor to determine the health and well-being of women, children and society as a whole. Although various nutritional policies were formulated and aimed at reducing malnutrition at the global level, the magnitude of malnutrition (body mass index [BMI] <18.5 kg/m(2)) among women remained between 10% and 40% in most low- and middle-income countries. We aimed to determine the prevalence of malnutrition and to identify the associated risk factors among women of reproductive age...
July 14, 2017: Public Health
https://www.readbyqxmd.com/read/28712532/influence-of-different-intravenous-lipid-emulsions-on-growth-development-and-laboratory-and-clinical-outcomes-in-hospitalised-paediatric-patients-a-systematic-review
#5
REVIEW
Roy-Rosshan Edward, Jacqueline K Innes, Luise V Marino, Philip C Calder
BACKGROUND & AIMS: Fats in the form of lipid emulsions (LEs) are an integral part of intravenous nutrition. The fatty acid composition of different LEs varies. The exact composition of a LE may influence cell and tissue function and clinical outcome. Currently, it is not clear which LE might be best for paediatric patients. We conducted a systematic review of the effects of different intravenous LEs in hospitalised paediatric patients. METHODS: Randomised controlled trials published in a peer reviewed journal, written in the English language, and comparing two or more different intravenous LEs in hospitalised paediatric patients were included...
July 8, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28712005/an-overview-of-the-ongoing-insights-in-selenium-research-and-its-role-in-fish-nutrition-and-fish-health
#6
REVIEW
Kifayat Ullah Khan, Amina Zuberi, João Batista Kochenborger Fernandes, Imdad Ullah, Huda Sarwar
In the present review, the ongoing researches about selenium research in fish nutrition have been comprehensively discussed. Selenium research is getting popularity in fish nutrition as it is required for the normal growth and proper physiological and biochemical functions in fish. Its deficiency or surplus amounts create severe problems in fish. It is available as inorganic form, organic form, and nano form. In fish, most of the previous research is about the selenium requirements for fish by using only one selenium source mainly the inorganic one...
July 15, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28710451/selection-of-complementary-foods-based-on-optimal-nutritional-values
#7
Partho Sen, Adil Mardinogulu, Jens Nielsen
Human milk is beneficial for growth and development of infants. Several factors result in mothers ceasing breastfeeding which leads to introduction of breast-milk substitutes (BMS). In some communities traditional foods are given as BMS, in others they are given as complementary foods during weaning. Improper food selection at this stage is associated with a high prevalence of malnutrition in children under 5 years. Here we listed the traditional foods from four continents and compared them with human milk based on their dietary contents...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28697390/exposure-and-risk-characterization-for-dietary-methylmercury-from-seafood-consumption-in-kuwait
#8
Brian Laird, Hing Man Chan, Kurunthachalam Kannan, Adnan Husain, Hanan Al-Amiri, Basma Dashti, Anwar Sultan, Amani Al-Othman, Faten Al-Mutawa
Seafood is an important source of essential nutrients; however, it can also confer health risks from methylmercury (MeHg). In this paper, we evaluate the levels of potential methylmercury exposure among Kuwaiti seafood consumers in order to support the development of dietary recommendations for fish consumption in Kuwait. Total mercury (HgT) concentration for most of the studied fish and shellfish species were on average below the 0.5μgg(-1) Codex guideline. The notable exception to this was Hamoor (Epinephelus coioides), which averaged 1...
July 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28689032/a-total-diet-study-and-probabilistic-assessment-risk-assessment-of-dietary-mercury-exposure-among-first-nations-living-on-reserve-in-ontario-canada
#9
Amanda K Juric, Malek Batal, Will David, Donald Sharp, Harold Schwartz, Amy Ing, Karen Fediuk, Andrew Black, Constantine Tikhonov, Hing Man Chan
Methyl Mercury (MeHg) exposure is a global environmental health concern. Indigenous peoples around the world are susceptible to MeHg exposure from often higher fish consumption compared to general populations. The objective of this study was to estimate dietary exposure to methylmercury (MeHg) among First Nations living on-reserve in the province of Ontario, Canada. A total diet study was constructed based on a 24-h recall from the First Nations Food, Nutrition, and Environment Study (FNFNES), and measured contaminant concentrations from Health Canada for market foods, and FNFNES for traditional foods...
July 6, 2017: Environmental Research
https://www.readbyqxmd.com/read/28684736/fish-oil-enriched-nutrition-combined-with-systemic-chemotherapy-for-gastrointestinal-cancer-patients-with-cancer-cachexia
#10
Yumiko Shirai, Yoshinaga Okugawa, Asahi Hishida, Aki Ogawa, Kyoko Okamoto, Miki Shintani, Yuki Morimoto, Ryutaro Nishikawa, Takeshi Yokoe, Koji Tanaka, Hisashi Urata, Yuji Toiyama, Yasuhiro Inoue, Motoyoshi Tanaka, Yasuhiko Mohri, Ajay Goel, Masato Kusunoki, Donald C McMillan, Chikao Miki
Despite recent advances in chemotherapy for gastrointestinal cancer, a crucial factor related to poor prognosis is reduced tolerance to chemotherapy induced by cancer cachexia. Fish oil (FO)-derived eicosapentaenoic acid (EPA) modulates inflammation in patients with various malignancies; however, the impact of FO-enriched nutrition as a combined modality therapy on clinical outcomes remains controversial. We systemically analysed chronological changes in biochemical and physiological status using bioelectrical impedance analysis in 128 gastrointestinal cancer patients provided with or without FO-enriched nutrition during chemotherapy...
July 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28680861/nramp1-and-nrampb-contribute-to-resistance-against-francisella-in-dictyostelium
#11
Yannick Brenz, Denise Ohnezeit, Hanne C Winther-Larsen, Monica Hagedorn
The Francisella genus comprises highly pathogenic bacteria that can cause fatal disease in their vertebrate and invertebrate hosts including humans. In general, Francisella growth depends on iron availability, hence, iron homeostasis must be tightly regulated during Francisella infection. We used the system of the professional phagocyte Dictyostelium and the fish pathogen F. noatunensis subsp. noatunensis (F.n.n.) to investigate the role of the host cell iron transporters Nramp (natural resistance associated macrophage proteins) during Francisella infection...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28673909/physiological-mechanisms-underlying-animal-social-behaviour
#12
Frank Seebacher, Jens Krause
Many species of animal live in groups, and the group represents the organizational level within which ecological and evolutionary processes occur. Understanding these processes, therefore, relies on knowledge of the mechanisms that permit or constrain group formation. We suggest that physiological capacities and differences in physiology between individuals modify fission-fusion dynamics. Differences between individuals in locomotor capacity and metabolism may lead to fission of groups and sorting of individuals into groups with similar physiological phenotypes...
August 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28670647/farming-and-the-geography-of-nutrient-production-for-human-use-a-transdisciplinary-analysis
#13
Mario Herrero, Philip K Thornton, Brendan Power, Jessica R Bogard, Roseline Remans, Steffen Fritz, James S Gerber, Gerald Nelson, Linda See, Katharina Waha, Reg A Watson, Paul C West, Leah H Samberg, Jeannette van de Steeg, Eloise Stephenson, Mark van Wijk, Petr Havlík
BACKGROUND: Information about the global structure of agriculture and nutrient production and its diversity is essential to improve present understanding of national food production patterns, agricultural livelihoods, and food chains, and their linkages to land use and their associated ecosystems services. Here we provide a plausible breakdown of global agricultural and nutrient production by farm size, and also study the associations between farm size, agricultural diversity, and nutrient production...
April 2017: The Lancet. Planetary health
https://www.readbyqxmd.com/read/28662095/population-growth-is-limited-by-nutritional-impacts-on-pregnancy-success-in-endangered-southern-resident-killer-whales-orcinus-orca
#14
Samuel K Wasser, Jessica I Lundin, Katherine Ayres, Elizabeth Seely, Deborah Giles, Kenneth Balcomb, Jennifer Hempelmann, Kim Parsons, Rebecca Booth
The Southern Resident killer whale population (Orcinus orca) was listed as endangered in 2005 and shows little sign of recovery. These fish eating whales feed primarily on endangered Chinook salmon. Population growth is constrained by low offspring production for the number of reproductive females in the population. Lack of prey, increased toxins and vessel disturbance have been listed as potential causes of the whale's decline, but partitioning these pressures has been difficult. We validated and applied temporal measures of progesterone and testosterone metabolites to assess occurrence, stage and health of pregnancy from genotyped killer whale feces collected using detection dogs...
2017: PloS One
https://www.readbyqxmd.com/read/28661002/an-epidemiological-study-of-cataracts-in-wild-and-farmed-lumpfish-cyclopterus-lumpus-l-and-the-relation-to-nutrition
#15
T Jonassen, M Hamadi, S C Remø, R Waagbø
Twelve groups of farmed lumpfish and one of wild lumpfish were screened for cataract and sampled for fish muscle tissue, whole heart and both eye lenses to investigate possible relations between cataract and tissue free amino acid concentrations. Cataract prevalence ranged from 20% to 100%, with the highest average score of 7.3 (max 8) and incidences of severe cataract (>5) in all groups. Cataract could not be explained by suboptimal histidine concentrations in the feed. Neither muscle nor cardiac tissues had concentrations of free histidine compounds...
June 29, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28660455/investigation-of-in-vitro-digestibility-of-dietary-microalga-chlorella-vulgaris-and-cyanobacterium-spirulina-platensis-as-a-nutritional-supplement
#16
Ayse Kose, Mehmet O Ozen, Murat Elibol, Suphi S Oncel
Microalgal proteins are promising sources for functional nutrition and a sustainable candidate for nutraceutical formulations. They also gain importance due to emerging focus on a healthy nutrition and increase in the number of chronic diseases. In this study, dried dietary species of microalga, Chlorella vulgaris, and cyanobacterium Spirulina platensis were hydrolyzed with pancreatin enzyme to obtain protein hydrolysates. The hydrolysis yield of biomass was 55.1 ± 0.1 and 64.8 ± 3.6% for C. vulgaris and S...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28657495/in-silico-structural-studies-and-molecular-docking-analysis-of-delta6-desaturase-in-hufa-biosynthetic-pathway
#17
Suvra Roy, Hirak Jyoti Chakraborty, Vikash Kumar, B K Behera, R S Rana, Gireesh Babu
Fish are an important source of highly unsaturated fatty acids (HUFA) such as eicosapentaenoic acid EPA (20:5 n-3) and docosahexaenoic acid DHA (22:6 n-3) and play a significant role in human nutrition. The fatty acyl delta6-desaturase (Δ6 desaturase) is a rate-limiting enzyme in the biosynthetic pathway of highly unsaturated fatty acids (HUFA) that converts polyunsaturated fatty acids (PUFA) such as linoleic (18:2n-6) and α-linolenic (18:3n-3) acids into HUFA. In this study, fatty acyl Δ6 desaturase was identified from pangasius (Pangasianodon hypophthalmus) and further analyzed for sequenced-based characterization and 3D structural conformation...
June 28, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28649723/distribution-and-female-reproductive-state-differences-in-orexigenic-and-anorexigenic-neurons-in-the-brain-of-the-mouth-brooding-african-cichlid-fish-astatotilapia-burtoni
#18
Danielle T Porter, David A Roberts, Karen P Maruska
Integration of reproduction and metabolism is necessary for species survival. While the neural circuits controlling energy homeostasis are well-characterized, the signals controlling the relay of nutritional information to the reproductive axis are less understood. The cichlid fish Astatotilapia burtoni is ideal for studying the neural regulation of feeding and reproduction because females cycle between a feeding gravid state and a period of forced starvation while they brood developing young inside their mouths...
June 26, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28649321/little-association-of-biological-trait-values-with-environmental-variables-in-invasive-alien-round-goby-neogobius-melanostomus
#19
Alexander F Cerwenka, Alfredo Pagnotta, Carolin Böker, Joerg Brandner, Juergen Geist, Ulrich K Schliewen
The relative importance of species-specific biological trait characteristics and environmental factors in invasions of nonindigenous species remains controversial because both have mostly been studied independently. Thus, the main objective of this study was to examine the correlation of biological traits with environmental variation in the globally invasive round goby Neogobius melanostomus from the upper Danube River. Based on a sample of 653 specimens along a continuous 200 km river pathway, links between nine environmental factors (substrate-type, six water measurements, and the communities of fishes and macroinvertebrates) and seven biological traits (nutritional and energetic status, trade-offs of parasite resistance and resource allocation, and three growth proxies) were analyzed...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28647435/dietary-habits-in-parkinson-s-disease-adherence-to-mediterranean-diet
#20
Erica Cassani, Michela Barichella, Valentina Ferri, Giovanna Pinelli, Laura Iorio, Carlotta Bolliri, Serena Caronni, Samanta A Faierman, Antonia Mottolese, Chiara Pusani, Fatemeh Monajemi, Marianna Pasqua, Alessandro Lubisco, Emanuele Cereda, Gianni Pezzoli
INTRODUCTION: Our objective is to describe the dietary habits, food preferences and adherence to Mediterranean diet (MeDi) of a large sample of Italian Parkinson's Disease (PD) patients compared to a group of controls. METHODS: Dietary habits of 600 PD patients from throughout Italy and 600 controls matched by gender, age, education, physical activity level and geographical residence, were collected using the ON-GP Food Frequency Questionnaire. Then, we compared patients by disease duration and the presence of swallowing disturbances...
June 15, 2017: Parkinsonism & related Disorders
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