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Effect of dietary supplementation with Gontscharovia popovii on growth performance, whole body composition, and hematological parameters in Litopenaeus vannamei | ||
| Iranian Journal of Fisheries Sciences | ||
| دوره 22، شماره 4، مهر 2023، صفحه 790-808 اصل مقاله (844.12 K) | ||
| شناسه دیجیتال (DOI): 10.22092/ijfs.2023.129825 | ||
| نویسندگان | ||
| S. Faghih1؛ A. Alizadeh* 1؛ R. Babadaei Samani1؛ M. Honarvar1؛ A. Dashtiannasab2 | ||
| 1Department of Horticultural Sciences, Estahban Branch, Islamic Azad University, Estahban, Iran | ||
| 2Iran Shrimp Research Center, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Bushehr, Iran | ||
| چکیده | ||
| The study analyzed the effect of Gontscharovia popovii supplement on growth performance, whole body composition, and hematological parameters of Litopenaeus vannamei. The shrimp were fed with 0.5%, 1%, and 2% G. popovii powder for 45 days. The essential oil of G. popovii was analyzed and found to contain a total of 49 compounds. The main compounds identified in the oil were carvacrol, γ-terpinene, and (E)-caryophyllene. The highest activities of phenol oxidase and superoxide dismutase were observed in the control group (5.64±0.14 µg/mL) and 2% concentration (56.24±0.5 µg/mL), respectively. The hematological parameters indicated that the highest values of triglyceride (108±0.88 mg/dl), cholesterol (103.3±2 mg/dl), IgM (268.5±4 mg/dl), and hyaline (5.5±0.22 106 cell/mL) were observed in the 2% concentration. The highest amounts of hemocyte (1.22±0.01 107 cell/mL) and large-granular cells (2.3±0.05 106 cell/mL) were observed in the 1% concentration, while the highest amount of semi-granular cells (4.9±0.15 106 cell/mL) was observed in the 0.5% concentration. The results of digestive enzyme activities showed that the highest activities of amylase (1265.2±22.1 n/kg), lipase (57.1±2.7 n/kg), and protease (245.2±6.12 n/kg) were observed in the 2% concentration, respectively. The results of growth performance indices showed that the highest amounts of weight gain percentage (417.58±3.55 %), weight gain rate (12.5±0.03 g), and specific growth ratio (1.73±0.01 %/days) were observed in the 2% concentration, while the highest amount of food conversion ratio (1.46±0.02) was observed in the control group. Furthermore, the results of whole body composition showed that the highest level of crude protein (18.05±0.1 %), crude lipid (1.08±0.04 %), and moisture (4.7±0.15 %) were observed in the 2% concentration, while the highest level of ash (76.8±0.4 %) was observed in the control group. In general, the findings indicate a beneficial impact of dietary supplementation with G. popovii at 2% to improve blood biochemical and immune indices, digestive enzyme activities, and growth performance in L. vannamei. | ||
| کلیدواژه‌ها | ||
| Gontscharovia popovii؛ Hematological Parameters؛ Growth Performance؛ Enzyme activities؛ Litopenaeus vannamei | ||
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آمار تعداد مشاهده مقاله: 11 تعداد دریافت فایل اصل مقاله: 10 |
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