PATHOLOGICAL STUDY OF LETHAL CONCENTRATION OF N-ZNO IN COMMON CARP CYPRINUS CARPIO L.
2013
S.K.I.AL-Taee A.H.A.AL-Hamdani
The lethal concentration of N-ZnO was determined in this study ,juvenile Cyprinus carpio L.mean weight 150±10g which were exposed to different concentration of N-ZnO (10-50 PPM) for 24 hrs ,the mortality rate of fish reached to 100% at 50 ppm concentration while the percentage decreased to 50% when the fish exposure to 30ppm concentration of N-ZnO.The histopathological lesions in the kidney were characterized by hemorrhage in an interstitial nephrotic tissue ,infiltration of inflammatory cells , there was cloudy swelling in the renal tubules . In the gill there were hyper trophy of pillar cells and necrosis in the secondary gill filaments .There were necrosis in the hepatic tissue and hemorrhage and sloughing in the pancreatic tissue.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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