نتایج جستجو برای: commercial fish
تعداد نتایج: 239419 فیلتر نتایج به سال:
the aim of this study was to determine the inhibitory effects of feed ingredients on protease activities of argyrosomus regius larvae using in vitro techniques. a. regius larvae fed on a commercial feeding procedure were sampled thirteen times, during the sampling period (from 3 to 32 days after hatching (dah)). the differences observed in protease activities of meagre larvae during the samplin...
This study investigates the effects of dietary lipid sources on the growth and reproductive performance of Nile tilapia over three consecutive spawnings. Fish were reared using three experimental diets, with the goal of replacing dietary fish oil with palm oil. Three experimental diets and a commercial trout diet was used as the control. The effect of dietary lipid on the growth performance, ...
Anzali International Wetland located on the southwestern shore of the Caspian Sea possess a strategic role in establishing the ecological balance between animals and birds owing to its unique features. The wetland acts as a natural reproduction and rehabilitation ground for several groups the Caspian Sea fishes. It also serves as a habitat and spawning ground for the Caspian Sea migratory fish ...
Biofloc technology (BFT) is a relatively new biotechnological means to support high density culture, maintain water quality, biosecurity, reduce the need for water exchange, reutilize the feed and reduce the production cost. This technology is mainly based on the principle of waste nutrients recycling (particularly nitrogen) into microbial biomass that can be used in situ by the cultured animal...
Exploitation of fisheries resources has unintended consequences, not only in the bycatch and discard of non-target organisms, but also in damage to targeted fish that are injured by gear but not landed (non-retention). Delayed mortality due to non-retention represents lost reproductive potential in exploited stocks, while not contributing to harvest. Our study examined the physiological mechani...
Break-apart fluorescence in situ hybridization (FISH) is the gold standard test for anaplastic lymphoma kinase (ALK) gene rearrangement. However, this methodology often is assumed to be expensive and potentially cost-prohibitive given the low prevalence of ALK-positive non-small cell lung cancer (NSCLC) cases. To more accurately estimate the cost of ALK testing by FISH, we developed a micro-cos...
Species belonging to the genus Thunnus are pelagic predator fishes, commonly known as tuna. The species within this genus are of commercial value, and six of them are considered the most valued in world trade (D.M., MIPAAF, 31 Gennaio 2008). Thunnus species originate from a variety of geographic areas, and for this reason the different species can be characterized by the presence of different b...
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