ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
The impact of salmon lice on the survival of migrating Atlantic salmon smolts was studied by comparing the adult returns of sea-ranched smolts treated for sea lice using emamectin benzoate or substance EX with untreated control groups in the River Dale in western Norway. A total of 143 500 smolts were ...
Salmon lice, Lepeophtheirus salmonis, are naturally occurring parasites of salmon in sea water. Intensive salmon farming provides better conditions for parasite growth and transmission compared with natural conditions, creating problems for both the salmon farming industry and, under certain conditions, ...
A soft robot is presented which replicates the ability of cephalopods to travel in the aquatic environment by means of pulsed jet propulsion. In this mode of propulsion, a discontinuous stream of fluid is ejected through a nozzle and rolls into a vortex ring. The occurrence of the vortex ring at the ...
Haematococcus pluvialis is a freshwater species of green algae and is well known for its accumulation of the strong antioxidant astaxanthin, which is used in aquaculture, various pharmaceuticals, and cosmetics. High levels of astaxanthin are present in cysts, which rapidly accumulate when the environmental ...
Background Parasite peptidases have been actively studied as vaccine candidates or drug targets for prevention or treatment of parasitic diseases because of their important roles for survival and/or invasion in the host. Like other parasites, the facultative histophagous ciliate Miamiensis avidus would ...
Background This article aims to discuss the incorporation of traditional time in the construction of a management scenario for pink shrimp in the Patos Lagoon estuary (RS), Brazil. To meet this objective, two procedures have been adopted; one at a conceptual level and another at a methodological level. ...
Most modeling and statistical approaches encourage simplicity, yet ecological processes are often complex, as they are influenced by numerous dynamic environmental and biological factors. Pacific salmon abundance has been highly variable over the last few decades and most forecasting models have proven ...
There is a consensus that nutritional support, which must be provided to patients in intensive care, influences their clinical outcome. Malnutrition is associated in critically ill patients with impaired immune function and impaired ventilator drive, leading to prolonged ventilator dependence and increased ...
Apparato di riconoscimento di prodotti (P), in particolare di prodotti alimentari, comprendente: una sorgente per la illuminazione di detto prodotto (P) da esaminare, mezzi di rilevazione dell’immagine di detto prodotto (P), in grado di generare un segnale relativo all’immagine di detto prodotto (P), ...
Upon infection, B-lymphocytes expressing antibodies specific for the intruding pathogen develop clonal responses triggered by pathogen recognition via the B-cell receptor. The constant region of antibodies produced by such responding clones dictates their functional properties. In teleost fish, the ...
Climate-induced phenological shifts can influence population, evolutionary, and ecological dynamics, but our understanding of these phenomena is hampered by a lack of long-term demographic data. We use a multi-decade census of 5 salmonid species representing 14 life histories in a warming Alaskan stream ...
In a portion of the coastal waters of northeastern Florida, North Atlantic right whales (Eubalaena glacialis) occur close to shore from December through March. These waters are included within the designated critical habitat for right whales. Data on swim speed, behavior, and direction of movement – ...
Extreme events are rare, stochastic perturbations that can cause abrupt and dramatic ecological change within a short period of time relative to the lifespan of organisms. Studies over time provide exceptional opportunities to detect the effects of extreme climatic events and to measure their impacts ...
Streptococcus suis (S. suis) infection is considered to be a major problem in the swine industry worldwide. Based on the capsular type, 33 serotypes of S. suis have been described, with serotype 2 (SS2) being the most frequently isolated from diseased piglets. Little is known, however, about the pathogenesis ...
Background Intestinal derived endotoxin and the subsequent endotoxemia can be considered major predisposing factors for diseases such as atherosclerosis, sepsis, obesity and diabetes. Dietary fat has been shown to increase postprandial endotoxemia. Therefore, the aim of this study was to assess the ...
The invention relates to a method for producing a solution of an astaxanthin derivative in an oil that is suitable for foodstuffs, said method comprising the following steps: i) provision of a suspension or solution of the astaxanthin derivative in an organic solvent that consists of oxygen, hydrogen ...
An integral battery, light and light switch assembly can be removably fitted within a light-transmitting pocket on an article of clothing, such as a glove. Alternatively, the assembly can be mounted to virtually any surface with an adhesive or hook and loop fastener. In one application, the assembly ...
There is described a method for the decontamination of (whole) fruit and/or vegetables comprising: (i) an optional first step of pre-washing the fruit and/or vegetables in high concentration of the decontaminant to deal with heavy spoilage; (ii) washing the fruit and/or vegetables in a low concentration ...
The present invention generally relates to an improved two-part oxidizing system, as well as oxidizing compositions and methods for making and using the same, and in a particular embodiment to a two-part oxidizing system that, when mixed, yields an oxidizing composition. The two-part oxidizing system ...
A novel method for improving the meat quality of an animal is provided. The method comprises feeding the animal a diet supplemented with mixed tocotrienols in an amount effective to improve the meat quality. The mixed tocotrienols may be fed alone or in combination with other antioxidants, such as other ...