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Apparent digestibility coefficients of crude protein, amino acids, crude lipid, dry matter and gross energy of ten feedstuffs for yearling Siberian sturgeon (Acipenser baerii, Brandt 1869) | ||
| Iranian Journal of Fisheries Sciences | ||
| مقاله 243، دوره 19، شماره 3، مرداد 2020، صفحه 1500-1516 اصل مقاله (513.24 K) | ||
| شناسه دیجیتال (DOI): 10.22092/ijfs.2020.120754 | ||
| چکیده | ||
| Apparent digestibility coefficients (ADCs) of ten feedstuffs were investigated in yearling Siberian sturgeon, Acipenser baerii, (290±22 g), using 1% chromic oxide as the inert marker.The ingredients included: fish (Clopeonella sp) meal (FM), meat and bone meal (MBM), poultry by-product meal (PBM), spray-dried blood meal (BM), feather meal (FeM), solvent extract soybean meal (SBM), canola meal (CM), corn gluten meal (CGM), wheat gluten meal (WGM) and bakers’ yeast (BY). ADC values of crude protein varied from 60% to 92.9% (FeM and FM, respectively). ADCCP of FM, MBM, PBM (animal origin), WGM, and CGM (plant origin) were significantly higher than the other treatments (p<0.05). ADCs of amino acid in feedstuffs followed a similar trend to the ADCCP, but it is not thoroughly correspondence with protein digestibility. The lowest dry matter (65.5%), and lipid (64.8%) digestibility were recorded in BM and FeM, respectively. The WGM (81.5%) exhibited the highest digestibility of gross energy (ADCGE); the lowest was in CM (68.1%). According to the results of this research, FM, MBM, PBM (animal origin) and also WGM and CGM (plant origin) were the more digestible feed ingredients for yearling Siberian sturgeon | ||
| کلیدواژهها | ||
| Aquaculture؛ Digestibility؛ Fish feeding؛ Ingredients؛ Siberian sturgeon | ||
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