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Effects of Different Combinations of Two Spices:Clove and Nutmeg Seed Extracts on Antioxidants Levels in African Catfish(Clarias gariepinus)
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作者 Akinrotimi O.A okenwa u +2 位作者 Stephen M.u Eze B.u Onwujiariri C.E 《Journal of Fisheries Science》 2021年第2期36-44,共9页
The effect of different combinations of botanical spices such as clove and nutmeg in different proportion on the antioxidants activities which include lipid peroxidation(LPO),superoxide dismutase(SOD),catalase(CAT),gl... The effect of different combinations of botanical spices such as clove and nutmeg in different proportion on the antioxidants activities which include lipid peroxidation(LPO),superoxide dismutase(SOD),catalase(CAT),glutathione-S-transferase(GST)and glutathione peroxide(GPX)in juveniles and adults sizes of Clarias gariepinus was investigated using different combinations of clove(C),and nutmeg(C.N 0:0-Control 0%of Clove and Nutmeg;C.N 1:3-25%Clove and 75%Nutmeg;C.N 3:1-75%Clove and 25%Nutmeg;C.N 2:2-50%Clove and 50%Nutmeg;C.4-100%Clove;N4-100%)in triplicates.The results from the study indicated that the anaesthetic caused a substantial(p<0.05)modifications in the five antioxidants under examination.The highest deviations in the studied antioxidants were observed in the fish exposed to C4 combination of the anaesthetics and the lowest in the control.The results from this work therefore suggest that the anaesthetics can alter antioxidants levels in the fish which was more noticeable in the fish exposed to C.N 3:1-75%Clove and 25%Nutmeg;C.N 2:2-50%Clove and 50%Nutmeg;C.4-100%Clove;N4-100%.Hence fish farmers and scientists are advised to take caution when combining these plant extracts for use in aquaculture. 展开更多
关键词 SPICES NUTMEG CLOVE ANAESTHETICS Fish ANTIOXIDANTS
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Consequences of Direct Transfer to Fresh Water on the Blood Variables of Sarotherodon melanotheron(Rüppell,1852)
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作者 Akinrotimi O.A okenwa u +1 位作者 Ani N.A Onwujiariri C.A 《Journal of Fisheries Science》 2021年第2期45-49,共5页
Alterations in blood variables of Sarotherodon melanotheron transmitted immediately from brackish water(salinity 13.71‰)to fresh water(salinity 0.12‰)were examined to evaluate the consequence of abrupt alterations i... Alterations in blood variables of Sarotherodon melanotheron transmitted immediately from brackish water(salinity 13.71‰)to fresh water(salinity 0.12‰)were examined to evaluate the consequence of abrupt alterations in the environment on fish blood parameters.The results acquired revealed that significant reduction(p<0.05)in mean values of Haemoglobin(Hb)from 7.37±1.22 to 4.30±0.82dl-1;Packed Cell Volume(PCV)23.48±3.22 to 15.08±2.97%;Red Blood Cell(RBC)5.99±0.72 to 3.31±0.77 Cells x106;Mean Corpuscular Haemoglobin Concentration(MCHC)31.68±3.66 to 28.48±2.03 pg;and Platelets(PLT)195.44±16.77 to 138.99±9.05103 uL-1.However,notable elevation was recorded in the values of Erythrocyte Sedimentation Rate(ESR)from 4.89±0.16 to 10.58±1.48 mm/hr;White Blood Cell(WBC)27.03±2.96 to 33.09±3.72 x 109 L-1;Mean Corpuscular Volume(MCV)39.33±3.07 to 45.88±7.03 fL Neutrophils(NEUT)41.71±3.08 to 48.30±7.99%;Lymphocytes(LYMP)54.60±3.99 to 46.36±9.87%and Monocytes(MON)3.80±1.04 to 5.97±1.99%.These variations in the blood parameters were more perceptible in adult than juvenile fish.Results from this study consequently imply that direct transfer of fish to a region of lower salinity may have damaging effect on the physiology of S.melanotheron as observed in this study. 展开更多
关键词 HAEMATOLOGY Sarotherodon melanotheron SALINITY Fresh water Brackish water
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