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:: Volume 27, Issue 5 (1-2019) ::
isfj 2019, 27(5): 93-102 Back to browse issues page
The effect of water physicochemical factors of culture ponds on the survival rate of Litopenaeus vannaemi in shrimp culture farms of Abadan-Choebdeh
E. Fakher Nasab , V. Yavari, M. Zakeri
Khorramshahr University of Marine Science and Technology, 669, Khorramshahr, Iran
Abstract:   (1096 Views)
This study was performed to survey the relationship between water physicochemical factors and determination the effective parameters on Litopenaeus vannaemi  survival in three ponds of three different farms with same stocking (250000 pl) and same storage time during 109 days (Days of culture), from June to September, in  shrimp culture ponds of Abadan-Choebdeh. The results showed that the highest correlation between salinity and temperature, as well as salinity and pH is established. Nitrate and phosphate values ​​recorded during the culture period were outside of the standard range. The results of correlation between chemical feature and survival showed  in all of three farms, the nitrate and ammonia had the maximum effect on shrimp survival which this relationship was expressed inverse. According to the results, the mean of primary weight, final weight and weight gain was observed in T3 more than T1 and T2 , and survival rate in T3 and T2 was more than T1 at the end of the culture period. It seems that the level of protein in diets play an important role in the nitrate and ammonia scale and finally in survival.
 
Keywords: Survival, Ammonia, Nitrate, Physicochemical factors, Litopenaeus vannaemi
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Type of Study: Research |
Received: 2017/08/30
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Fakher Nasab E, Yavari V, Zakeri M. The effect of water physicochemical factors of culture ponds on the survival rate of Litopenaeus vannaemi in shrimp culture farms of Abadan-Choebdeh . isfj. 2019; 27 (5) :93-102
URL: http://isfj.ir/article-1-1851-en.html


Volume 27, Issue 5 (1-2019) Back to browse issues page

با کسب مجوز از دفتر کمیسیون بررسی نشریات علمی وزارت علوم، تحقیات و فنآوری مجله علمی شیلات بصورت آنلاین می باشد و تعداد محدودی هم به چاپ می رساند. شماره شاپای جدید آن ISSN:2322-5998 است

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