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ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57

Long-chain Omega-3 Polyunsaturated Fatty Acids in Natural Ecosystems and the Human Diet: Assumptions and Challenges

Over the past three decades, studies of essential biomolecules, long-chain polyunsaturated fatty acids of the omega-3 family (LC-PUFAs), namely eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA), have made considerable progress, resulting in several important assumptions. However, ...

Defining the Distinct Skin and Gut Microbiomes of the Northern Pike (Esox lucius)

The microbiome of freshwater fish has important implications for both commercial and recreational fishing because it can have significant impacts on host heath, spoilage rates, and susceptibility to disease. The aqueous environment serves as a possible avenue for continuous introduction of microbes ...

Combining fish and environmental PCR for diagnostics of diseased laboratory zebrafish in recirculating systems

Precise knowledge of the health status of experimental fish is crucial to obtain high scientific and ethical standards in biomedical research. In addition to the use of sentinel fish, the examination of diseased fish is a fundamental part of all health monitoring concepts. PCR assays offer excellent ...

Mother’s dietary quality during pregnancy and offspring’s dietary quality in adolescence: Follow-up from a national birth cohort study of 19,582 mother–offspring pairs

Background The Developmental Origins of Health and Disease (DOHaD) hypothesis postulates that exposures during early life, such as maternal dietary intake during pregnancy, may have a lifelong impact on the individual’s susceptibility to diseases. The individual’s own lifestyle habits are obviously ...

Mitochondrial and nuclear genetic analyses of the tropical black-lip rock oyster (Saccostrea echinata) reveals population subdivision and informs sustainable aquaculture ...

Background The black-lip rock oyster (Saccostrea echinata) has considerable potential for aquaculture throughout the tropics. Previous attempts to farm S. echinata failed due to an insufficient supply of wild spat; however, the prospect of hatchery-based aquaculture has stimulated renewed interest, ...

Protective glove including impact protection

A protective glove includes one or more fabrics coupled together into a form of a hand, with the form having a palm side and a dorsal side opposite the palm side, and protective structures disposed on the dorsal side. The protective structures include a first protective structure on the dorsal side ...

Indicator for manual inflator

An indicator to be snapped onto an inflator to indicate the “ready” operating condition of the inflator and, upon firing of the inflator by jerking the jerk handle to pivot the firing lever, the firing lever pops off the indicator from the inflator, thereby indicating the “fired” inoperable operating ...

Algicidal bacterium CZBC1 inhibits the growth of Oscillatoria chlorina, Oscillatoria tenuis, and Oscillatoria planctonica

Frequent harmful cyanobacteria blooms limit the sustainable development of aquaculture. Algicidal bacteria can efficiently control harmful algae without secondary pollution. The algicidal bacteria CZBC1 can lyse Oscillatoria spp. and other harmful cyanobacteria, but its effector mechanism and algicidal ...

System and method for cultivating biological organisms

A flow passage (70) is shown in the form of two successively linked, substantially parallel, adjacent, open top channels (12A, 14A) to form part of an algae cultivation system. The forward flow of the water passes in sequence through the respective open top channels (12A) and (14A) of flow passage (70), ...

Fishing lure

A fishing lure comprises a body having a front end and a rear end. A cavity is positioned towards the front end of the body, and the cavity has a longitudinal direction. A connection member is located at least partially in the cavity and retained thereto by one or more retaining members. Each retaining ...

A fishing light attractor and a method of fishing therewith

It is well known that light attracts fish at night, and that any artificial fishing light attractor is preferably submersible to avoid significant amounts of light being reflected off the surface of the water. Single-use glow sticks are known to be used as submersible fishing light attractors; however, ...

Apparatus for detecting sea mines

An apparatus for detecting sea mines is disclosed. The apparatus includes a pulsed laser, a collection optics, a long-pass beam splitter, a short-pass beam splitter, a Laser imaging, Detection and Ranging (LIDAR) channel imager, a Raman channel imager and a florescence channel imager. After the pulsed ...

Janthinobacterium lividum as An Emerging Pathogenic Bacterium Affecting Rainbow Trout (Oncorhynchus mykiss) Fisheries in Korea

Janthinobacterium spp. are normally considered non-pathogenic, and few pathogenesis-related studies have been reported. Here, we report the first isolation of Janthinobacterium lividum in Korea as a pathogenic bacterium infecting rainbow trout. Mass mortality was observed at one rainbow trout hatchery, ...

New Strategy to Cope with Common Fishery Policy Landing Obligation: Collagen Extraction from Skins and Bones of Undersized Hake (Merluccius merluccius)

In order to promote sustainable fishing practices within European fishing fleets and to avoid the large waste of valuable fish biomass through the practice of fish discarding, the new reform of the common fisheries policy includes the obligation of landing all species under total allowable catch (TAC) ...

Stable isotope analyses reveal unique trophic role of reef manta rays (Mobula alfredi) at a remote coral reef

Stable isotope analyses provide the means to examine the trophic role of animals in complex food webs. Here, we used stable isotope analyses to characterize the feeding ecology of reef manta rays (Mobula alfredi) at a remote coral reef in the Western Indian Ocean. Muscle samples of M. alfredi were collected ...

Functional implications of dentition-based morphotypes in piscivorous fishes

Teeth are crucial in elucidating the life history of vertebrates. However, most studies of teeth have focused on mammals. In heterodont mammals, tooth function is based on tooth shape and position along the jaw. However, the vast majority of vertebrates are homodont, and tooth function might not be ...

Understanding resource driven female–female competition: ovary and liver size in sand gobies

The operational sex ratio (OSR, ready-to-mate males to females) is a key factor determining mating competition. A shortage of a resource essential for reproduction of one sex can affect OSR and lead to competition within the opposite sex for resource-holding mates. In the sand goby (Pomatoschistus minutus), ...

Overcoming Fish Defences: The Virulence Factors of Yersinia ruckeri

Yersinia ruckeri is the causative agent of enteric redmouth disease, a bacterial infection of marine and freshwater fish. The disease mainly affects salmonids, and outbreaks have significant economic impact on fish farms all over the world. Vaccination routines are in place against the major serotypes ...

Avian Expression Patterns and Genomic Mapping Implicate Leptin in Digestion and TNF in Immunity, Suggesting That Their Interacting Adipokine Role Has Been Acquired Only in ...

In mammals, leptin and tumor-necrosis factor (TNF) are prominent interacting adipokines mediating appetite control and insulin sensitivity. While TNF pleiotropically functions in immune defense and cell survival, leptin is largely confined to signaling energy stores in adipocytes. Knowledge about the ...

Asthma and Dietary Intake of Fish, Seaweeds, and Fatty Acids in Korean Adults

The dietary intake of fish and fatty acid may influence the risk of asthma, yet epidemiological research remains controversial and inconclusive. We examined the association between asthma and the dietary intake of fish, seaweeds, and fat in a Korean population, aged 19 to 64 years, using the data from ...

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