ULTIMO AGGIORNAMENTO BANCA DATI: 07/11/2025 14:33:35
Change in oceanographic conditions causes structural alterations in marine fish communities, but this effect may go undetected as most monitoring programs until recently mainly have focused on oceanography and commercial species rather than on whole ecosystems. In this paper, the objective is to describe ...
Background Urinary tract infections (UTIs) are one of the most common bacterial infections with global expansion. These infections are predominantly caused by uropathogenic Escherichia coli (UPEC). Methods Totally, 123 strains of Escherichia coli isolated from UTIs patients, using bacterial culture ...
Mycotoxins affect poultry production by being present in the feed and directly causing a negative impact on bird performance. Carry-over rates of mycotoxins in animal products are, in general, small (except for aflatoxins in milk and eggs) therefore representing a small source of mycotoxins for humans. ...
Fish consumption has established benefits, including the promotion of cardiovascular health and pre- and neonatal brain and eye development, but local freshwater fish may be a source of contaminants that are especially harmful to fetuses and young children, such as the neurotoxic and developmentally ...
Extensive ongoing degradation of coral reef habitats worldwide has lead to declines in abundance of coral reef fishes and local extinction of some species. Those most vulnerable are ecological specialists and endemic species. Determining connectivity between locations is vital to understanding recovery ...
In species with indeterminate growth, age-related size variation of reproductive competitors within each sex is often high. This selects for divergence in reproductive tactics of same-sex competitors, particularly in males. Where alternative tactics are fixed for life, the causality of tactic choice ...
Yolk-sac fry of Goldfish (Carassius auratus gibelio) were exposed to various concentrations of Al and pH for 3, 7 and 10 days. In this study number of dead fish, total length of larvae, yolk sac length, swimming activity, the number of gill cover movements and the number of heart beat was measured. ...
Background Pigmentation patterns are one of the most recognizable phenotypes across the animal kingdom. They play an important role in camouflage, communication, mate recognition and mate choice. Most progress on understanding the genetics of pigmentation has been achieved via mutational analysis, ...
Aquaculture is an expanding activity worldwide. However its rapid growth can affect the aquatic environment through release of large amounts of chemicals, including antibiotics. Moreover, the presence of organic matter and bacteria of different origin can favor gene transfer and recombination. Whereas ...
Background Developing a water quality index which is used to convert the water quality dataset into a single number is the most important task of most water quality monitoring programmes. As the water quality index setup is based on different local obstacles, it is not feasible to introduce a definite ...
Abstract In this study, the influence of different treatments was evaluated: nonwashing, washing in chlorinated water and washing/soaking in chlorinated water and sodium chloride on the quality of Nile tilapia (Oreochromis niloticus) fillets during storage at 1.0 ± 0.5°C through daily analysis of pH, ...
Climate change is expected to alter species distributions and habitat suitability across the globe. Understanding these shifting distributions is critical for adaptive resource management. The role of temperature in fish habitat and energetics is well established and can be used to evaluate climate ...
Introduction We examined patterns of genetic divergence in 26 Mediterranean populations of the semi-terrestrial beachflea Orchestia montagui using mitochondrial (cytochrome oxidase subunit I), microsatellite (eight loci) and allozymic data. The species typically forms large populations within heaps ...
Genes involved in sex determination and differentiation have been identified in mice, humans, chickens, reptiles, amphibians and teleost fishes. However, little is known of their functional conservation, and it is unclear whether there is a common set of genes shared by all vertebrates. Coelacanths, ...
The feasibility study on the application of advanced robotics (AR) to underwater work was undertaken by UEG, the Offshore and Underwater Engineering Group of CIRIA, between May 1986 and July 1987 on behalf of the UK Department of Trade and Industry (DTI) It was one of a number of DTI studies in separate ...
ABSTRACT Low cost remotely operated vehicles (ROV), 1.e costing under £ 100k, have become a relatively common tool for work in the marine environment. A survey conducted in 1992 identified over 800 such vehicles in use, however the vast majority are used for inspection/engineering tasks and only a ...
ABSTRACT Artificial reefs are used around the world to promote fisheries They range from very simple to complex structures using a wide variety of materials to recreate some or all aspects of natural reefs, providing shelter from currents and predators, food and breeding sites for fish and other marine ...
ABSTRACT In the UK, statutory control of the disposal of wastes to sea from ships is provided by the Food and Environment Protection Act (Part II,1985), and monitoring of the environmental effects of licensed activity has been conducted by the Centre for Environment, Fisheries and Aquaculture Science ...
ABSTRACT This paper reports the experiences of SLP Energy as a project developer in planning, procuring and managing the environmental, geophysical and geotechnical site investigations for Sheringham Shoal offshore wind farm. The paper examines the lessons that have been learned by SLP and suggests ...
A novel defensin antimicrobial peptide gene was identified in Atlantic cod, Gadus morhua. This three exon/two intron defensin gene codes for a peptide precursor consisting of two domains: a signal peptide of 26 amino acids and a mature peptide of 40 residues. The mature cod defensin has six conserved ...