(Fenneropenaeus indicus) study on protozoa emerging diseases of shrimp
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Author
Kakoolaki, S.Sharif Rohni, Mostafa
Pazir, M.Kh.
Afsharnasab, Mohammad
Sharifpour, Issa
Malolahi, Ahmad
Dashtyannasab, Aghil
Ghaednia, Babak
Mirbakhash, Maryam
Yeganeh, Vahid
Date
2015
Metadata
Show full item recordAbstract
Certain diseases such as bacterial , viruses, parasirtic ones Protozoa parasites Could severe mortalities in farmed shrimp last decades. Two hundred and seventy Fenneropenaeus indicus with the weight of 10± 1.09 were selected , transferred to Iran Shrimp Center and distributed to the treatmentsand controls (3 groups). The objective of our study was to describe the signs, prevalence, and intensity of Hemocytosis, a new disease in shrimp, Fenneropenaeus indicus. The experimental design included three groups, one treatment as infected shrimp or group B and 2 controls with non-infected but exposure to White Spot Syndrom Virus (WSSV) shrimp as group A and non-infected non- exposure to WSSV shrimp as group C in triplicate. The results revealed that Hemocytosis associated with a decrease in hyalinocytes and large-granulocytes (less than 8%) and a considerable increase in semi-granulocytes in group A and B in contrast to group C that Hyalinocyte increased. This infection made the shrimp susceptible to WSSV disease. It is believed that Hemocytosis causes a condition which can result in a rapid mortality among susceptible species, F. indicus when exposure to WSSV is occurred.Pages
56pp.Publisher or University
Iranian Fisheries Science Research InstituteSeries : Nr
44154;Collections