Research Article: Effects of dietary administration of Nettle leaves (Urtica dioica) hot water extract on health indices and immunity in Litopenaeus vannamei exposed to Vibrio harveyi
- سال انتشار: 1402
- محل انتشار: مجله علوم شیلات ایران، دوره: 22، شماره: 5
- کد COI اختصاصی: JR_JIFRO-22-5_005
- زبان مقاله: انگلیسی
- تعداد مشاهده: 59
نویسندگان
Islamic Azad University of Bushehr, Fisheries, Bushehr, Iran
Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
Islamic Azad University of Bushehr, Fisheries, Bushehr, Iran
Islamic Azad University of Bushehr, Fisheries, Bushehr, Iran
Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
چکیده
This study investigated the effects of Urtica dioica (Nettle) on health indices, including total hemocyte count (THC) and differential hemocyte count (DHC), total plasma protein (TPP), and glucose level of hemolymph when the Litopenaeus vannamei was fed with diets containing different hot water extract concentrations of U. dioica (۱۰, ۵۰, and ۱۰۰ mg kg-۱) for ۴۰ days. After ۱۴ days of exposure to Vibrio harveyi, the survival rate was determined. The results showed that the use of U. dioica extract led to a significant increase in the health indices, (THC and DHC). The significant increase (p≤۰.۰۵) was observed in the frequency of small and large granular hemocyte, as well as in the biochemical indices, the number of hyaline cells, TPP, and glucose level, particularly at higher concentrations of the extract. After ۱۴ days, the survival rate of the shrimps fed with a diet containing ۵۰ mg kg-۱ of U. dioica extract, showed a significant difference from other experimental groups. Overall, the hot water extract of the U. dioica can improve health indicators, THC, TPP, and glucose levels, and also increase the survival rate of the shrimp infected with V. harveyi.کلیدواژه ها
Whiteleg shrimp, Immunity, Survival rate, Medicinal herb, Vibriosisاطلاعات بیشتر در مورد COI
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