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    Comparing the Effectiveness of Ovopel and Carp Pituitary Extract (CPE) on Artificial Spawning of Scaly Carp (Cyprinus carpio)
    (Medwell Online, 2010) Kayim, Murathan; Bozkurt, Yusuf; Ogretmen, Fatih
    The effect of ovulation stimulators (Ovopel and carp pituitary extract) on spawning of scaly carp females were investigated. Following application of Ovopel, eggs were obtained from higher percentage of females than CPE treatment (92.5 and 75.0%, respectively. In the case of Ovopel stimulator, female weights were significantly correlated with living embryo (r = 0.576, p<0.01) and hatching rates (r = 0.684, p<0.01). Also interaction between egg weights and fertilization rates (r = 0.603, p<0.01) and between hatching and living embryo rates (r = 0.679, p<0.01) were determined significant. On the other hand, egg weights were negatively correlated (r = -0.368, p<0.01) with living embryo rates. For the CPE stimulator, egg weights were significantly correlated with fertilization (r = 0.662, p<0.01), living embryo (r = 0.390, p<0.05) and hatching rates (r = 0.443, p<0.01). Also hatching were significatly correlated with fertilization (r = 0.665, p<0.01) and living embryo rates (r = 0.903, p<0.01). In addition, fertilization and living embryo rates significantly correlated (r = 0.615, p<0.01) with each other.
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    Proximate Composition, Fatty Acid Profile and Mineral Content of Wild Brown Trout (Salmo trutta sp.) From Munzur River in Tunceli, Turkey
    (Asian Journal Of Chemistry, 2011) Kayim, Murathan; Oksuz, Abdullah; Ozyilmaz, Ayse; Kocabas, Mehmet; Can, Erkan; Kizak, Volkan; Ates, Mehmet
    In present study, the proximate composition, fatty acid profile and mineral content of wild brown trout living in Munzur river (Tunceli/Turkey) were investigated. The average level of protein, lipid, moisture and ash content of muscle of the wild brown trout was calculated to be 17.48, 2.3, 77.8 and 1.5 %, respectively. Thirty fatty acids were identified in this study. Identification of the fatty acid was carried out with gas chromatography-mass spectrometry (GC-MS). The total polyunsaturated fatty acids (PUPA) were found the highest fatty acid followed by that of saturated fatty acids (SFA) and monounsaturated fatty acids (MUFA). Docosahexaenoic acid (DHA, C22:6n3) and eicosapentaenoic acid (EPA, C20:5n3), linolenic acid (LNA, C18:3n3) and linoleic acid (LA, C18:2n6) were found to be predominant fatty acids in PUFAs with the percentages of 11.25, 6.82, 6.30 and 4.88, respectively. The ratio of n3/n6 and DHA /EPA was calculated to be 4.55 and 1.65, respectively. Twelve elements were determined in this study. Determination of elements was performed with ICP-AES. P and K were the predominant element among the minerals analyzed and calculated to be 1305.56-2967.06 and 1908.68-1220.10 mg kg(-1) in muscle-skin of the wild brown trout, respectively.