نتایج جستجو برای: artemia urmiana nauplii
تعداد نتایج: 2849 فیلتر نتایج به سال:
Artemia has been widely used in aquaculture as a suitable live food. The presence of highly unsaturated fatty acids is a key factor that determines the nutritional value and marketing of Artemia for shrimp, marine larvae, sturgeon and ornamental fish industries. To determine the variation in nutritional content in cysts, decapsulated cysts and nauplii of Artemia from three different biotopes of...
Two diterpene glycosides, ent-8(17)-labden-15-O-alpha-L-rhamnoside and ent-8(17)-labden-15-O-(3'-O-acetyl)-alpha-L-rhamnoside (new natural compounds) were isolated from propolis from El Salvador. The compounds showed significant antibacterial activity and moderate toxicity to Artemia salina nauplii. These are the first glycosides reported in bee glue.
The effect of essential fatty acids (EFA) and vitamin C-enriched Artemia nauplii on growth, survival, and resistance to temperature (high) stress in rainbow trout larvae reared in tanks were investigated. The larvae (average weight 120.43mg±13.5) were fed 6 times daily starting at the onset of exogenous feeding for 1 week. Triplicate groups of fish were offered one of four treatments (1) commer...
The effect of essential fatty acids (EFA) and vitamin C-enriched Artemia nauplii on growth, survival, and resistance to temperature (high) stress in rainbow trout larvae reared in tanks were investigated. The larvae (average weight 120.43mg±13.5) were fed 6 times daily starting at the onset of exogenous feeding for 1 week. Triplicate groups of fish were offered one of four treatments (1) commer...
because of limitations of production of unicellular green algae (especially in large volumes), this study aimed to culture artemia using three sources of cheap agricultural by-products that were coupled with small amounts of unicellular algae dunaliella salina. the results of growth and survival, biomass production, individual wet weight, wet and ash percent, fcr and sgr and nutritional value o...
Brine shrimp are aquatic crustaceans belonging to a genus of Artemia. This organism is widely used for testing the toxicity of chemicals. In this study, brine shrimp were evaluated as an infection model organism to study bacterial virulence. Artemia nauplii were infected with various pathogenic bacteria, such as Vibrio vulnificus, Pseudomonas aeruginosa, Burkholderia vietnamiensis, Staphylococc...
In the study we cultured shrimp P. vannamei (initial weight 0.0004 g) under laboratory conditions in marine science center and using three types of food. These were life food (Artemia nauplii), artificial died mixed nauplii died). The highest average achieved when feeding on feed (1.210 g), while, lower values fed diets 0.220 g. There are significant differences (P<0.05) between these types....
In the study we cultured shrimp L. vannamei (initial weight 0.0004 g) under laboratory conditions in marine science center and using three types of food. These were life food (Artemia nauplii), artificial died mixed nauplii died). The highest average achieved when feeding on feed (1.210 g), while, lower values fed diets 0.220 g. There are significant differences (P<0.05) between these types....
Eggs of Artemia salina L., the brine shrimp, are easily obtainable in large quantities. Ecdysis takes place in two stages: (a) extrusion of the inner membrane, and (b) ecdysis of the nauplius from that membrane. The conditions which allow for the former are much more varied than those for the latter. Nauplii form in only solutions of a few sodium salts; and, in Mg, Ca, and Sr salts, potassium i...
The loss rates of protein and lipids were determined for enriched Artemia franciscana starved Ž y1. at different temperatures after enrichment. Following 12-h enrichment with DHA Selco 0.2 g l Ž at 288C, the nauplii were temperature acclimated and transferred to starving condition 0–96 h; . 58C to 308C . y1 Ž . Ž The total lipid content during enrichment increased from 145 mg g dry weight DW ne...
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