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Effect of a commercial probiotic (Supersets® and Varna®) on growth performance, hematological indices, and immunological parameters in sturgeon hybrid bester (Huso huso ♂× Acipenser ruthenus ♀) fingerling | ||
| Iranian Journal of Fisheries Sciences | ||
| دوره 23، شماره 2، خرداد 2024، صفحه 293-306 اصل مقاله (411.76 K) | ||
| شناسه دیجیتال (DOI): 10.22092/ijfs.2024.131000 | ||
| نویسندگان | ||
| A. Hosseinpour Zelaty؛ M.H. Sayed Hassani* ؛ T. Sohrabi؛ F. Bagherzadeh Lakani؛ M. Mohseni؛ Z. Pajand | ||
| International Sturgeon Research Institute, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Rasht, Iran | ||
| چکیده | ||
| The aim of this study was to investigate the effects of dietary supplementation of a commercial probiotic containing Bacillus subtilis, Lactobacillus acidophilus, L. delbrueckii, L. rhamnosus, and L. plantarum on growth performance, hematological and immunological parameters of bester fingerlings. Two-hundred and forty fingerlings (10±0.9 g) were randomly distributed into 12 fiberglass tanks. The experimental diets were formulated using 0 (control), 100 (T100), 200 (T200), and 300 (T300) mg/kg of the probiotic. The fish were fed at 3% of body weight for 8 weeks. The result revealed that dietary probiotics increased final weight, condition factor, daily growth rate, specific growth rate, and body weight increase (p>0.05). Also, we observed a significant increase in feed efficiency ratio and protein efficiency ratio for fish fed with T300 compared to T200 (p<0.05). Hematological parameters were not influenced by dietary probiotic levels (p>0.05). There were no significant differences in total immunoglobulin (p>0.05), while alternative complement activity was significantly enhanced by the inclusion of probiotics in diets (p<0.05). The present study showed that feed efficiency, protein efficiency, and immunological parameters of bester fingerling have been improved by adding the commercial probiotic at 200 mg/kg. | ||
| کلیدواژهها | ||
| Probiotic؛ Bester؛ Growth؛ Hematological parameters؛ Immunological Parameters | ||
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آمار تعداد مشاهده مقاله: 287 تعداد دریافت فایل اصل مقاله: 289 |
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