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:: دوره 12، شماره 4 - ( 1392 ) ::
جلد 12 شماره 4 صفحات 843-854 برگشت به فهرست نسخه ها
Isolation, identification and phylogenetic analysis of a pathogen of Haliotis diversicolor supertexta (L.) with mass mortalities
چکیده:   (6334 مشاهده)
This study was conducted to determine a disease outbreak in 14 day old post-larvae of abalone (Haliotis diversicolor supertexta) which caused mass mortality in July 2010 in Shanwei, China. Twenty-nine bacterial strains were isolated from a sample pool of 10 diseased post-larval abalones on 2216E marine agar plates during a natural outbreak of the disease. Among them, a dominant isolate (referred to as strain 21) was found to be highly virulent to post-larvae in experimental challenge tests, with an LD50 value of 1.0 ×104 colony forming units (CFU) mL-1 on day 3. API 20NE kits and 16S rDNA sequence analysis, identified strain 21 as Oceanomonas doudoroffii. It was susceptible to 10 and moderately susceptible to 1 of the 16 antibiotics examined when antibiotic sensitivities of the bacterium were assayed. Results of this study implicated Oceanomonas doudoroffii strain 21 as a cause of mortalities in post-larval abalone from Shanwei, China.
     
نوع مطالعه: پژوهشي | موضوع مقاله: fish disease
دریافت: 1392/11/7 | پذیرش: 1392/11/7 | انتشار: 1392/11/7
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Jing Z, Junpeng C. Isolation, identification and phylogenetic analysis of a pathogen of Haliotis diversicolor supertexta (L.) with mass mortalities. IJFS. 2013; 12 (4) :843-854
URL: http://jifro.ir/article-1-1344-fa.html

Isolation, identification and phylogenetic analysis of a pathogen of Haliotis diversicolor supertexta (L.) with mass mortalities. مجله علوم شیلاتی ایران. 1392; 12 (4) :843-854

URL: http://jifro.ir/article-1-1344-fa.html



دوره 12، شماره 4 - ( 1392 ) برگشت به فهرست نسخه ها
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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