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:: Volume 25, Issue 5 (3-2017) ::
isfj 2017, 25(5): 165-170 Back to browse issues page
Short Communication: Determination of the frequency of Infestation of (Penaeus indicus and Litopenaeus vannamei) within internal protozoan Gregarine in Bandar abbas, southern Iran.
Z. Mokhayer *
Abstract:   (5097 Views)

One of the dominant species of bandar abbas  is (Penaeus indicus) which its propagation is in addition to problems of  propagation attention to environmental, nutritional, health, diseases, parasitics infestation and etc. are important.In this titled : Determination of the frequency of  Infestation of (Penaeus indicus and Litopenaeus  vannamei)  within internal protozoan  Gregarine  , Penaeus indicus samples randomly by traditional fishing with bottom trawl fishing located in the CIRIk (2013) was prepared and samples Litopenaeus vannamei shrimp farms of North Tyab prepared (2013) and sent to the laboratory and the Wet mount preparation method of the digestive tract was investigated.Frequency of examined shrimps according the times of the catch as following: From 100 specimens of the Litopenaeus  vannamei  examined in the year 2013, none  were infected with the protozoan in trophozoite or Gametocystic state. From 100 specimens of the Penaeus indicus shrimp only 31 specimens were infected with Gregarine. 13 individual were female and 18 of them were  male. 31 of these shrimps were infected with parasitic Gregarine as trophozoite or Gametocystic state or both of them, thus their prevalence of infection were 31 percent(trophozoite state: 54.83% and Gametocystic state: 64.51%). Frequency of infestation Trophozoite was 10.29 and Gametocyst was 72.45.It appears that the frequency of infestation with Gregarine increase according to the length of the shrimp. In the length group of 114-133 mm it was 50 percent and in the  length group of 164-185 mm it was 77 percent.

Keywords: Infestation, Shrimp, Penaeus indicus, Litopenaeus vannamei, Gregarine
Full-Text [PDF 612 kb]   (1674 Downloads)    
Type of Study: Research | Subject: بهداشت بيماريها
Received: 2016/03/6 | Accepted: 2017/03/7 | Published: 2017/03/7
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Mokhayer Z. Short Communication: Determination of the frequency of Infestation of (Penaeus indicus and Litopenaeus vannamei) within internal protozoan Gregarine in Bandar abbas, southern Iran.. isfj 2017; 25 (5) :165-170
URL: http://isfj.ir/article-1-1520-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 25, Issue 5 (3-2017) 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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