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Hematological and biochemical responses of rainbow trout to dietary essential oil of Abies siirica under heat stress | ||
| Iranian Journal of Veterinary Medicine | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 20 آبان 1404 | ||
| نوع مقاله: Original Articles | ||
| شناسه دیجیتال (DOI): 10.22059/ijvm.2025.398682.1005848 | ||
| نویسندگان | ||
| Morteza Yousefi* 1؛ Hossein Adineh2؛ Evgeny Vladimirovich Kulikov1؛ Olesya Anatolyevna Petrukhina1؛ Arfenya Semenovna Karamyan1؛ Ivan Ezhievich Prozorovskiy1؛ Seyyed Morteza Hoseini3 | ||
| 1Department of Veterinary Medicine, RUDN University, 6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation | ||
| 2Department of Fisheries, Faculty of Agriculture and Natural Resources, Gonbad Kavous University, Gonbad Kavous, Golestan, Iran | ||
| 3Inland Waters Aquatics Resources Research Center, Iranian Fisheries Sciences Research Institute, Agricultural Research, Education and Extension Organization, Gorgan, Iran | ||
| چکیده | ||
| Background: Heat stress is a major challenge in aquaculture, often impairing fish growth, health, and productivity, necessitating the exploration of natural feed additives to enhance resilience. Objectives: This study aimed to evaluate the effects of dietary Siberian fir essential oil (SFE) on feed efficiency, production efficiency, and hematobiochemical responses to heat stress in rainbow trout. Methods: SFE was incorporated into the diets at four different concentrations: 0 mg/kg (control; CT), 100 mg/kg (100MG), 200 mg/kg (200MG), and 400 mg/kg (400MG). The fish were fed these diets for 60 days, followed by a 24-hour exposure to heat stress. Results: The results indicated that dietary SFE significantly enhanced both feed efficiency and production efficiency, particularly at the 100 mg/kg level. Furthermore, SFE supplementation led to a marked reduction in the activities of plasma alanine aminotransferase, aspartate aminotransferase, and alkaline phosphatase, effectively mitigating the elevations of these enzymes following heat stress. Fish treated with SFE exhibited higher levels of red blood cells, hematocrit, hemoglobin, white blood cells, and neutrophil percentages. In contrast, the CT group experienced an increase in mean corpuscular volume and mean corpuscular hemoglobin after stress, suggesting that this group endured a greater level of stress. Conclusion: In conclusion, the findings of this study suggest that dietary supplementation of 100 mg/kg SFE can be regarded as an effective feed additive for trout culture, as it enhances economic viability and strengthens the fish's resistance to heat stress. | ||
| کلیدواژهها | ||
| essential oil؛ feed additive؛ hematology؛ biochemistry؛ stress | ||
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آمار تعداد مشاهده مقاله: 67 |
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