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Moazenzadeh, Kadusa, Rajabi Islami, Houman, Zamini, Abasali, Soltani, Mehdi. (1395). Dietary zinc requirement of Siberian sturgeon (Acipenser baerii, Brandt 1869) juveniles, based on the growth performance and blood parameters. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 9(1), 25-35. doi: 10.1007/s40071-017-0153-6
Kadusa Moazenzadeh; Houman Rajabi Islami; Abasali Zamini; Mehdi Soltani. "Dietary zinc requirement of Siberian sturgeon (Acipenser baerii, Brandt 1869) juveniles, based on the growth performance and blood parameters". نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 9, 1, 1395, 25-35. doi: 10.1007/s40071-017-0153-6
Moazenzadeh, Kadusa, Rajabi Islami, Houman, Zamini, Abasali, Soltani, Mehdi. (1395). 'Dietary zinc requirement of Siberian sturgeon (Acipenser baerii, Brandt 1869) juveniles, based on the growth performance and blood parameters', نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 9(1), pp. 25-35. doi: 10.1007/s40071-017-0153-6
Moazenzadeh, Kadusa, Rajabi Islami, Houman, Zamini, Abasali, Soltani, Mehdi. Dietary zinc requirement of Siberian sturgeon (Acipenser baerii, Brandt 1869) juveniles, based on the growth performance and blood parameters. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 1395; 9(1): 25-35. doi: 10.1007/s40071-017-0153-6

Dietary zinc requirement of Siberian sturgeon (Acipenser baerii, Brandt 1869) juveniles, based on the growth performance and blood parameters

International Aquatic Research
مقاله 3، دوره 9، شماره 1، فروردین 2017، صفحه 25-35    اصل مقاله (525.74 K)
نوع مقاله: Original research
شناسه دیجیتال (DOI): 10.1007/s40071-017-0153-6
نویسندگان
Kadusa Moazenzadeh1؛ Houman Rajabi Islami* 1، 2؛ Abasali Zamini3؛ Mehdi Soltani4
1Department of Fisheries, Science and Research Branch, Islamic Azad University, P.O. Box: 14515-775, Tehran, Iran
2Department of Fisheries, College of Agricultural and Natural Resources, Science and Research Branch, Islamic Azad University, Islamic Azad University Square, Sattari Avenue, Tehran, 1477893855, Iran
3Department of Fisheries, Lahijan Branch, Islamic Azad University, Lahijan, Iran
4Department of Aquatic Animal Health, Faculty of Veterinary, University of Tehran, Tehran, Iran
چکیده
This study investigated the effect of dietary Zn levels on growth performance, feed utilization, and hematological parameters of juvenile Siberian sturgeon (Acipenser baerii, Brandt 1869). The five semi-purified diets were formulated by adding 0, 5, 10, 20, and 40 mg Zn kg−1 diet in the form of zinc sulfate (ZnSO4) to provide the actual dietary value of 14.7, 20.8, 27.3, 37.7, and 46.4 Zn kg−1 diet, respectively. The results showed that dietary Zn elevating level significantly improved the growth and feed utilization of the fish (p < 0.05), but not the hepatosomatic index (p > 0.05). Erythrocyte number, hemoglobin concentration, and hematocrit were increased with raising dietary Zn level (p < 0.05), whereas a regular trend was not observed in blood indices, including MCV, MCH, and MCHC. A significant increase was also found in the leucocyte number followed by their differential counts, except for eosinophil percentage. The broken line regression model indicated optimal dietary Zn level for growth maximization of fish was estimated to be 29.15 mg Zn kg−1 diet. In spite of well correlation with dietary Zn level, no break point was observed to estimate the juvenile Siberian sturgeon requirement based on the erythrocyte numbers.
کلیدواژه‌ها
Zinc؛ Erythrocyte؛ Leucocyte؛ Blood parameters؛ Growth performance؛ Acipenser baerii
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