Volume 5, Issue 1 (2016)
JFST 2016, 5(1): 83-95 |
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Effects of digestrom P.E.P on growth and some hematological parameters of juveniles Beluga sturgeon (Huso huso). JFST 2016; 5 (1) :83-95
URL: http://jfst.modares.ac.ir/article-6-1819-en.html
URL: http://jfst.modares.ac.ir/article-6-1819-en.html
Abstract: (9477 Views)
The effect of adding digestrom P.E.P at 0, 1, 2 and 4% of feed on the growth and hematology of juveniles (159.5±0.23 g) beluga, Huso huso, was investigated during 70 days feeding trial. Significantly higher average daily growth, specific growth rate and protein performance were observed in fish fed diet containing 2% digestrom P.E.P (p<0.05), but the condition factor, hepatosomatic index and feed conversion ratio didn’t significantly differ among treatments (p>0.05). No significant difference were observed in the number of red blood cells, hematocrit, MCV, MCH, MCHC, lymphocytes, monocytes among treatments (p>0.05), but the number of white blood cells and neutrophils in the 2% treatment was significantly higher than other treatments (p<0.05). Fish carcass analysis revealed a significantly higher protein content in the 2% treatment than the control group (p<0.05), but the difference was not significant in fat, ash and moisture contents (p>0.05). Based on the results, the digestrom P.E.P at 2% of feed can enhance growth and stimulates the immune system of the juvenile beluga.
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