Replacement of fish oil with canola vegetable oil based diets on growth and survival of the Siberian sturgeon (Acipenser baerii) fry
نویسندگان
چکیده مقاله:
The effect replacement of various kilka fish oil with canola oil was investigated on growth indices, body composition, and digestive enzymes of Siberian sturgeon (Acipenser baerii). One hundred and eighty fry fish (22.5±2 2.09 g average weight) were fed with four isonitroginus and isolipid diets (44 and 14%) (1: 100% fish oil (FO100), 2: 100 % of canola oil (CO100), 3: 50% fish oil+50% canola oil (CO50+FO50) and 4: 70% fish oil+30% canola oil (FO100+CO30)) for 10 weeks. The mean growth and feed efficiency indices in the fish fed with FO100 and CO100 diets were significantly lower than CO50+FO50 and FO100+CO30 (P<0.05). The changes in the canola oil/fish oil ratio caused changes in the body moisture and ash contents (P<0.05), but had no significant effect on the body protein (P>0.05). The lipase and chymotrypsin levels in the fish fed with CO50+FO50 diet were significantly higher than the fish fed with FO100 and CO100 diet. The results of this study indicated that using a combination of vegetable oil and fish oil in equal proportions has a relatively better effect on the growth indices, body composition, and digestive enzymes of Siberian sturgeon in the growth stage.
منابع مشابه
Electrical excitability of the heart in a Chondrostei fish, the Siberian sturgeon (Acipenser baerii).
Sturgeon (family Acipenseridae) are regarded as living fossils due to their ancient origin and exceptionally slow evolution. To extend our knowledge of fish cardiac excitability to a Chondrostei fish, we examined electrophysiological phenotype of the Siberian sturgeon (Acipenser baerii) heart with recordings of epicardial ECG, intracellular action potentials (APs), and sarcolemmal ion currents....
متن کاملElectrical excitability of the heart in a Chondrostei fish , the Siberian 10 sturgeon ( Acipenser baerii )
متن کامل
Study on nanoparticles of Aloe vera extract on growth performance, survival rate and body composition in Siberian sturgeon (Acipenser baerii)
The application of nanotechnology in drug delivery and a variety of supplements is very impressive. In this regard, the use of this knowledge can be effective in the performance of medicinal plants in aquaculture. In the present study Aloe vera was extracted and its nanoparticles were produced. Three levels of Aloe vera nanoparticles in Siberian sturgeon (Acipenser baerii) were evaluated for th...
متن کاملExpression of growth hormone gene during early development of Siberian sturgeon (Acipenser baerii)
The mRNA expression of growth hormone (GH) gene in early development stages of Siberian sturgeon was investigated using RT-PCR method. Samples were collected from unfertilized eggs up to 50 days post hatched (dph) larvae in 11 different times. Ribosomal protein L6 (RPL6) transcripts were used as the internal standard during quantification of GH mRNA expression. The results showed that the GH mR...
متن کاملStudy on nanoparticles of Aloe vera extract on growth performance, survival rate and body composition in Siberian sturgeon (Acipenser baerii)
The application of nanotechnology in drug delivery and a variety of supplements is very impressive. In this regard, the use of this knowledge can be effective in the performance of medicinal plants in aquaculture. In the present study Aloe vera was extracted and its nanoparticles were produced. Three levels of Aloe vera nanoparticles in Siberian sturgeon (Acipenser baerii) were evaluated for th...
متن کاملComparison of growth and hematological parameters in juvenile Siberian sturgeon (Acipenser baerii), sterlet sturgeon (Acipenser ruthenus) and its hybrid (Acipenser ruthenus ♀ × Acipenser baerii ♂)
The present study was conducted to compare the growth indices and blood factors of sterlet (Acipenser ruthenus), Siberian sturgeon (Acipenser baerii) and their hybrid (Acipenser ruthenus ♀ × Acipenser baerii ♂) to produce a fish with larger size, larger eggs and more tolerant to environmental conditions than the parents. The hybrid was produced by mixing of the oocytes of one sterlet female wit...
متن کاملمنابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ذخیره در منابع من قبلا به منابع من ذحیره شده{@ msg_add @}
عنوان ژورنال
دوره 31 شماره None
صفحات 1- 16
تاریخ انتشار 2022-09
با دنبال کردن یک ژورنال هنگامی که شماره جدید این ژورنال منتشر می شود به شما از طریق ایمیل اطلاع داده می شود.
کلمات کلیدی برای این مقاله ارائه نشده است
میزبانی شده توسط پلتفرم ابری doprax.com
copyright © 2015-2023