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Articles by Ozkan Duru
Total Records ( 2 ) for Ozkan Duru
  Miyase Cinar , A. Arzu Yigit , Ilkay Yalcinkaya , Ertan Oruc , Ozkan Duru and Metin Arslan
  This study was performed to determine the effects of vitamin C (vit C) and vitamin E (vit E) on growth performance, some biochemical parameters and tissue changes in broiler chickens exposed to cadmium (Cd). One hundred twenty, 1-day-old, Ross broiler chicks were divided into 4 groups with 3 replicates and fed with a basal diet (control) or the basal diet supplemented with 60 mg kg-1 Cd, 60 mg kg-1 Cd+400 mg kg-1 vit C, or 60 mg kg-1 Cd+250 mg kg-1 vit E for 42 days. Body weight (BW), Body Weight Gain (BWG) and Feed Consumption (FC) were recorded and feed conversion ratio (FCR) was calculated. Plasma were analysed for aspartate transaminase (AST), alanine transaminase (ALT), gamma glutamyltransferase (GGT) activities and total protein, total cholesterol and creatinine levels. Cadmium significantly decreased the BW (p<0.001), BWG (p<0.001), FC (p<0.001) and FCR (p<0.05) compared with the control group. Regarding the same groups plasma and kidney Cd (p<0.001) and AST (p<0.05) and GGT activities (p<0.01) were increased. While growth performance were not affected in vit C and vit E supplementated group compared with the Cd-only group, these treatments reduced plasma Cd and GGT activities. Furthermore vit C was more effective in reducing Cd accumulation in kidneys and liver.
  Kerem URAL , Mehmet cagrı KARAKURUM , Ozkan DURU , Cenker Cagrı CINGI and Ali Evren HAYDARDEDEOGLU
  Zinc deficiency may result in alopecia, erythema, crusting, scaling, parakeratosis, inflammation of the skin, and impaired wound healing. Zinc deficiency also may impair the immune response against microorganisms and lead to fungal infections such as trichophytosis. The present study included male and female dogs (n = 7) of various breeds, ages, and diagnosed with Microsporum canis dermatophytosis and 4 healthy dogs used as the control group. The influence of dermatophytosis on serum zinc concentrations in dogs was investigated. Wood's lamp examination, fungal cultures, and additionally biopsy specimen were used to confirm the diagnosis and rule out other causes of the skin lesions. Serum zinc concenrations were determined by use of an atomic absorption spectrophotometer. No statistical difference was found in zinc concentrations between the dogs with dermatophytosis and normal dogs. Based upon the findings of this pilot study, no association was documented between the occurrence of dermatophytosis and the serum zinc concentrations.
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