The efficacy of the red seaweed (Laurencia snyderiae) extract on growth performance, survival and disease resistance in white shrimp
سال انتشار: 1394
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 196
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شناسه ملی سند علمی:
JR_IJAAH-2-1_001
تاریخ نمایه سازی: 13 اسفند 1399
چکیده مقاله:
Shrimp aquaculture has expanded rapidly in many countries and this rapid development resulted diseases outbreaks and further considerable utilization of antibiotics. Use of natural products as antimicrobial has been reported as a resolution problem. The crude extract of a red seaweed (Laurencia snyderiae) collected from the Persian Gulf was evaluated for shrimp growth performance and to determine in vivo efficacy of this seaweed to prevention of shrimp Vibriosis. The ethanol extract of Laurencia snyderiae was not toxic to the Artemia in star- I when it was fed to them for enrichment. The white shrimp (Litopenaeus vannamei) Juveniles fed with these enriched Artemia at 0 mg mL-1 (Control group), and three treatments of 200 , 400 and 600 mg mL-1 for a 30 days period. Results showed an increase in survival rate in treatment groups compared with control group but wasn’t significantly (P<0.05). Shrimps that fed with enriched Artemia showed a significant in growth parameters compare ing to Control group (P<0.05). The notably lower mortality was observed when these juvenile shrimps were challenged to Vibrio harveyi (after 30 days) in comparison with Control. The results indicated that EELS has a good potential in growth- promoting and antibacterial activity against V. harveyi in which is useful in shrimp aquaculture.
کلیدواژه ها:
نویسندگان
A Dashtiannasab
Aquatic Health and Disease Department, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Org., Bushehr, Iran
M Mesbah
Department of Clinical Sciences, Shahid Chamran University, Ahwaz, Iran
R Pyghan
Department of Clinical Sciences, Shahid Chamran University, Ahwaz, Iran
S Kakoolaki
Aquatic Health and Disease Department, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Org., Tehran, Iran
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