نتایج جستجو برای: beluga sturgeon
تعداد نتایج: 1985 فیلتر نتایج به سال:
Effect of dietary soybean meal and multienzyme on intestine histology of beluga sturgeon (Huso huso)
Biological Parameters and Fisheries Indices of Beluga Sturgeon Huso Huso in the Southern Caspian Sea
In the present study, the fishing status and production of caviar from wild sturgeon as well as the stocks rehabilitation of these species in the Caspian Sea have been analyzed over the past few years. Unfortunately, due to certain reasons such as overfishing and poaching, destruction of spawning areas and natural habitats, environmental pollution and reduced the number of released juveniles st...
The reintroduction of the extinct beluga sturgeon (Huso huso L.), an anadromous species with economic and traditional relevance, is a priority in next conservation strategies Northern Italy. EU-LIFE NATURA project aims to reintroduce Po River basin through captive breeding program. Critical requirements for success program are river connectivity knowledge genetic diversity selected broodstocks ...
the mucus layer on the skin of fish contain a several of antimicrobial compounds that provide a first line of defense against fish pathogens. this study was conducted to evaluate the effects of different levels of prebiotic grobiotic®-a on antimicrobial activity and some immune parameters of mucus of cultured juvenile beluga (huso huso). for this purpose, four groups of beluga sturgeon with mea...
this study was accomplished to investigate the effect of artemia urmiana nauplii enriched with pediococcus acidilactici as probiotic on growth performance and survival rate of great sturgeon, huso huso. artemia nauplii were enriched with p. acidilactici at a final concentration of 1010 cfu ml-1 in three time dependent treatments as 3 h (t3), 6 h (t6), 9 h (t9), and one non-enriched artemia as ...
This study was accomplished to investigate the effect of Artemia urmiana nauplii enriched with Pediococcus acidilactici as probiotic on growth performance and survival rate of great sturgeon, Huso huso. Artemia nauplii were enriched with P. acidilactici at a final concentration of 1010 CFU mL-1 in three time dependent treatments as 3 h (T3), 6 h (T6), 9 h (T9), and one non-enriched Artemia as ...
For successful development of aquaculture, fish farms have to be provided by effective means and methods prevent treat diseases fish. Many drugs are limited for using in so the influence each particular drug or chemical substance on should investigated carefully. Effectiveness solutions suppressing growth saprolegnium micromycetes egg membranes other tissues sturgeon embryos during their incuba...
The purpose of the present study was to isolate and identify the pathogenic agents in Acipenser stellatus (Pallas, 1771) and Huso huso, (Linnaeus, 1758) reared in the south of Fars province, Iran which have shown infectious disease signs. Samples from spleen and kidney of 32 fishes showing septicemia symptoms such as decreasing of appetite, unbalanced swimming, expanded wounds...
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