نتایج جستجو برای: sardine fish
تعداد نتایج: 104774 فیلتر نتایج به سال:
Fish express two different chitinases, acidic fish chitinase-1 (AFCase-1) and acidic fish chitinase-2 (AFCase-2), in the stomach. AFCase-1 and AFCase-2 have different degradation patterns, as fish efficiently degrade chitin ingested as food. For a comparison with the enzymatic properties and the primary structures of chitinase isozymes obtained previously from the stomach of demersal fish, in t...
In previous studies fluorescence detection was accomplished at different excitation/emission maxima during common fish processing. A bathochromic shift towards higher wavelength maxima was observed and measured as the ratio between absorption at two of the maxima tested. This fluorescence ratio (δF) value correlated with increased fish damage. In the present work, the influence of formaldehyde ...
A biological experiment of six weeks duration, followed by several laboratory investigations were carried out to study the effect of designer layer mash (DLM) containing full fat flaxseed, oil rich sardine fish, Holy Basil leaf meal (BLM), vitamin E and Organic selenium (Sel-plex), on haematology of layers. Both designer diet and BLM had significant effect on haematology of layers. They also ex...
Understanding the key factors influencing population dynamics of fish stocks requires knowledge their spatial distribution and seasonal habitat selection, but these spatio-temporal are often not explicitly included in ecological studies stock assessment models. This study standardized data sardine fishery-dependent catch-per-unit- effort (CPUE) from west coast Portugal using Bayesian hierarchic...
Fish meal grades SL1 and SL2 from Sardine (Sardinella longiceps) and NJ from Pink Perch (Nemipterus japonicas) were evaluated as a sole source of carbon and nitrogen in the medium for alkaline protease production by Bacillus pumilus MTCC 7514. The analysis of the fish meal suggests that the carbon and nitrogen contents in fish meal are sufficient to justify its choice as replacement for other n...
In this work we apply multi-class support vector machines (SVMs) and a multi-class stochastic SVM formulation to the classification of fish schools of three species: anchovy, common sardine, and Jack Mackerel, and we compare their performance. The data used come from acoustic measurements in southerncentral Chile. These classifications were carried out by using a diver set of descriptors includ...
A number of scientific papers in the last few years singled out the influence of environmental conditions on the spatial distribution of fish species, highlighting the need for the fisheries scientific community to investigate, besides biomass estimates, also the habitat selection of commercially important fish species. The Mediterranean Sea, although generally oligotrophic, is characterized by...
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