نتایج جستجو برای: immature beluga huso huso
تعداد نتایج: 28010 فیلتر نتایج به سال:
this study was accomplished to examine the efficiency of natural zeolite in preventing acute toxicity of total ammonia to huso huso. the study was performed using water static method in 96 hours. fish averaged 46 ? 5 g in weight and 22 ? 4 cm in total length were exposed to four different concentrations (15, 30, 50, 75 mgl-1) of ammonia and a group was considered as control. under stable condit...
the present study examined the effects of vitacel raw fiber on great sturgeon (huso huso) immunocompetent cell population size including lymphocyte and neutrophil populations and lysozyme activity after oral administration of the feed and vitacel at 1.3% of the feed for 90 days. generally, a significant increase was seen in the neutrophil count of fish receiving vitacel as compared to the contr...
به منظور مطالعه اثر سطوح مختلف پروتئین و انرژی جیره غذایی بر روند رشد بچه فیلماهیان پرورشی (huso huso) با متوسط وزن 64/1 ± 85/49 گرم، آزمایش رشدی در قالب طرح آماری کاملاً تصادفی متعادل به روش فاکتوریل 4×2 طراحی و اجرا گردید. آزمونها در دو سطح پروتئینی40 و 45 درصد، هر یک با چهار سطح انرژی (5/18، 8/19، 1/21 و 4/22 مگاژول انرژی خام در هر کیلوگرم جیره) با نسبتهای مختلف p/e (از 03/18 تا 14/24 میلیگر...
A 3×4 factorial experiment was conducted for 45 days to determine the effects of diets containing different levels of protein and fat on growth of fingerlings Beluga (Huso huso L.1758). Twelve different diets were formulated with 3 levels of protein (45,50 and 55) and 4 levels of oil including fish oil and sunflower oil (0.5 ,4 , 8 and 12). 1260 Beluga fingerlings with an initial body weight (I...
A 3×4 factorial experiment was conducted for 45 days to determine the effects of diets containing different levels of protein and fat on growth of fingerlings Beluga (Huso huso L.1758). Twelve different diets were formulated with 3 levels of protein (45,50 and 55) and 4 levels of oil including fish oil and sunflower oil (0.5 ,4 , 8 and 12). 1260 Beluga fingerlings with an initial body weight (I...
The study was performed to examine the efficacy of ginger (Zingiber officinale) extract on growth performance, biochemical and hemato-immunological parameters in juvenile beluga (Huso huso). Fish were divided into 4 groups before fed diet for 8 weeks with 0.5%, 1% and 1.5% ginger extract and with unsupplemented commercial diet as the control. Results showed that there was a significant differen...
The aim of this study was to identify and compare the mineral micronutrients compositions, color and genetic structure differences between the wild and farmed Caspian Sea Beluga (Huso huso) sturgeon caviar, which plays an important role to caviar market transparency to prove farmed caviar quality and nutritional values and wild and farmed Beluga caviar genetic identification. Mineral micronutri...
Glial cells missing 2 (gcm2) encoding a GCM-motif transcription factor is expressed in the parathyroid in amniotes. In contrast, gcm2 is expressed in pharyngeal pouches (a homologous site of the parathyroid), gills, and H(+)-ATPase-rich cells (HRCs), a subset of ionocytes on the skin surface of the teleost fish zebrafish. Ionocytes are specialized cells that are involved in osmotic homeostasis ...
در این تحقیق روند تغییرات فعالیت پروتئازی معده (پپسین) و لوزالمعده (تریپسین و کیموتریپسین) از زمان تخمگشایی تا روز پنجاهم پس از تخمگشایی در نوزاد فیل ماهی (huso huso) مطالعه شد. نوزادان فیل ماهی تازه تخمگشایی شده از مرکز تکثیر و پرورش ماهیان خاویاری شهید مرجانی (گرگان، ایران) تهیه شدند. نمونه برداری بلافاصله پس از تخمگشایی و در روزهای 7، 14، 18، 23، 28، 35، 42 و 50 پس از تخمگشایی انجام شد....
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