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Potential of poultry by-product meal as a main protein source in diets formulated for juvenile sobaity (Sparidentex hasta) | ||
| Iranian Journal of Fisheries Sciences | ||
| مقاله 91، دوره 18، شماره 4، دی 2019، صفحه 873-890 اصل مقاله (557.6 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22092/ijfs.2018.117779 | ||
| نویسندگان | ||
| Fateme Hekmatpour* ؛ Preeta kochanian؛ Jasem Ghafle Marmmazi؛ Mohammad Zakeri؛ Seyed Mohammad Mousavi | ||
| Khoramshahr marine science and technology | ||
| چکیده | ||
| 60-day feeding trial was conducted to evaluate the potential of using poultry by-product meal (PBM) as partial replacement of fish meal (FM) in the diets for juvenile sobaity. Six iso-nitrogenous and iso-lipidic diets were formulated to contain graded levels of PBM, at 0 (as control diet), 15, 25, 35, 45, and 55% of FM replacement. Each diet was fed to groups of 20 juvenile sobaity in triplicate 300-l tanks, thrice a day to apparent satiation. Survival, feed conversion ratio and efficiency ratio showed that there were no significant differences between fish fed PBM based diets compared to fish fed the reference diet. Growth performance and protein efficiency ratio of fish fed the PBM15 and 25 was higher than other treatments. The somatic indices, biochemical content of whole body and fillet, hematological factors were not significantly affected by the replacement level of FM with PBM, with the exception of serum cholesterol and triglyceride content. The results of the present study indicated that PBM is a suitable replacement for fish meal in juvenile sobaity diet up to 55% substitution. | ||
| کلیدواژه‌ها | ||
| Poultry by-product meal؛ sobaity Sparidentex hasta؛ Hematological factors؛ feed utilization | ||
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