Histological gills changes of marine Shrimp in Black gill disease inthe Bushehr Seacoast

Introductions: Black gill syndrome is caused due to Fusarium Solano in shrimp. Associateddiseases such as Vaybr Reeves, as well as Mitosis, the presence of heavy metals such as copperand cadmium can cause the incidence of the disease. The immune system is weakened by stressand the effect of these factors, so the disease happens. The disease symptoms are the Macroscopicand microscopic melanization of shrimp gills. The other pathological signs of the syndrome arehypertrophy and hyperplasia of gill and accumulation of hemisects in the gills. Due to nutritionalimportance of shrimps and also importance of shrimps in exports, the aim of this study washistopathological study of black gill disease in marine shrimps of coastal city of Bushehr, whichis one of the most important areas.Method: In this study, ۱۰۰ pieces of shrimp were caught off shore in the coastal city ofBushehr. After fixing with the Davidson’s fixing solution, were transferred to Laboratory ofVeterinary Medicine in Kazeroon Islamic Azad University and then Histopathological sectionswere prepared and carefully studied, and the results in the form of photographs and a table werereported.Results: The results show that the risk of this syndrome is۳۸% in the population of marineshrimps in coastal city of Bushehr. The histological results showed that there is necrosis,melanomas and hypertrophy in the gill cells.Discussion and conclusions: With regard to the above contents environmental conditions,special bacteria and fungi attack and nutritional deficiencies can weaken the immune system ofshrimp, and this make a ground for the black Gill disease to appear

Keywords:

Pathological categorized , Black Gill disease , marine shrimps , Bushehr