Histopathological observation of black gill disease in shrimp farm, Litopenaeus vannamei, in Boushehr province, Iran

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KHALIL PAZIR MOHAMMAD; Ghawampour Ali; Ajdari Ashkan; NAZARI ALI MOHAMMAD

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Journal: JOURNAL OF MARINE BIOLOGY Year:2019 | Volume:11 | Issue:41 Page(s): 25-35

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Title

Histopathological observation of black gill disease in shrimp farm, Litopenaeus vannamei, in Boushehr province, Iran

Author(s)

KHALIL PAZIR MOHAMMAD | Ghawampour Ali | Ajdari Ashkan | NAZARI ALI MOHAMMAD | Issue Writer Certificate

Keywords

Black gillQ1

Litopenaeus vannameiQ1

Epistylis protozoan parasiteQ1

histopathologyQ1

Abstract

The aim of this study was evaluate tissue lesions caused by Black gill disease and its causes in 85-80 days old Litopenaeus vannamei with an average weight of 13-15 g located in the Delvar shrimp rearing site from Bushehr province. Primary and secondary gill lamella was necrosis, central axis were not arranged and gill lamella swelling, epithelial cell necrosis along with karyorrhexis and pyknosis of gill lamella was observed in wet mouth examination and tissue sections. Also, Epistylis protozoan parasite were observed in gill tissue. The high prevalence of Epistylis protozoa (84. 58%) in gill tissue, indicates the proper condition of gill tissue for colonization of this parasite. Increased sedimentation of phytoplankton and folding on the gill tissues is considered as an exacerbating factor in the disease. Based on the results, it can be admitted that Epistylis protozoan parasite can be a factor cause of Black gill disease in L. vannamei shrimp farms of Delvar shrimp rearing site from Boushehr province. On the other hand, Black gill can be caused by several environmental and infectious agents, including fungal and bacterial agents, but in this study were not detected any other pathogen. Hence, in further studies, more comprehensive research is needed to isolate and identify the primary cause of the disease for the management of health and treatment.

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APA: Copy

KHALIL PAZIR, MOHAMMAD, Ghawampour, Ali, Ajdari, Ashkan, & NAZARI, ALI MOHAMMAD. (2019). Histopathological observation of black gill disease in shrimp farm, Litopenaeus vannamei, in Boushehr province, Iran. JOURNAL OF MARINE BIOLOGY, 11(41 ), 25-35. SID. https://sid.ir/paper/372194/en

Vancouver: Copy

KHALIL PAZIR MOHAMMAD, Ghawampour Ali, Ajdari Ashkan, NAZARI ALI MOHAMMAD. Histopathological observation of black gill disease in shrimp farm, Litopenaeus vannamei, in Boushehr province, Iran. JOURNAL OF MARINE BIOLOGY[Internet]. 2019;11(41 ):25-35. Available from: https://sid.ir/paper/372194/en

IEEE: Copy

MOHAMMAD KHALIL PAZIR, Ali Ghawampour, Ashkan Ajdari, and ALI MOHAMMAD NAZARI, “Histopathological observation of black gill disease in shrimp farm, Litopenaeus vannamei, in Boushehr province, Iran,” JOURNAL OF MARINE BIOLOGY, vol. 11, no. 41 , pp. 25–35, 2019, [Online]. Available: https://sid.ir/paper/372194/en

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