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:: دوره 13، شماره 1 - ( 1392 ) ::
جلد 13 شماره 1 صفحات 102-91 برگشت به فهرست نسخه ها
Effects of temperature on hematological and histopathological changes and survival rate of juvenile Fenneropenaeus vannamei experimentally challenged to White Spot Virus
چکیده:   (11491 مشاهده)
Many shrimp farmers were suffering from White Spot Disease (WSD) onset in last decades. Oscillation of environmental factors could lead mortality in susceptible hosts. Our study was aimed to investigate the effect of different temperatures on juvenile Fenneropenaeus vannamei experimentally exposed to White Spot Virus (WSV). Five hundred and forty juveniles were distributed among 3 treatments in triplicates, 22, 25 and 30°C and experimentally WSV were injected in the shrimps. Our results showed mortality started at 36 h post inoculation (hpi) in the treatment at 25°C (T25), meanwhile the mean value of mortality percent at 54 hpi in T25 (71.10±17.35) showed the significant difference (p=.045) with T22 (3.33±3.33) and T30 (Not Observed, NO.). Our results suggest that in site selection, in primary stage of farm designing, water temperature at more than 29°C, should be considered as key environmental factor. This finding can lead us that why the White Spot Disease occurred with high mortality in some area when the days of shrimp culture were prolonged until mid autumn.
     
نوع مطالعه: پژوهشي | موضوع مقاله: Biology & physiology
دریافت: 1393/2/8 | پذیرش: 1393/2/8 | انتشار: 1393/2/8
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Kakoolaki S, Sharifpour I, Afsharnasab M, Sepahdari A, Mehrabi M R, Ghaednia B et al . Effects of temperature on hematological and histopathological changes and survival rate of juvenile Fenneropenaeus vannamei experimentally challenged to White Spot Virus . IJFS 2014; 13 (1) :91-102
URL: http://jifro.ir/article-1-1429-fa.html

Effects of temperature on hematological and histopathological changes and survival rate of juvenile Fenneropenaeus vannamei experimentally challenged to White Spot Virus . مجله علوم شیلاتی ایران. 1392; 13 (1) :91-102

URL: http://jifro.ir/article-1-1429-fa.html



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Creative Commons License این مقاله تحت شرایط Creative Commons Attribution-NonCommercial 4.0 International License قابل بازنشر است.
دوره 13، شماره 1 - ( 1392 ) برگشت به فهرست نسخه ها
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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