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  • Küçük Resim
    Öğe
    Effects of dietary fish oil, soy-acid oil, and yellow grease on growth and hepatic lipidosis of hybrid tilapia fry
    (Society Of Israeli Aquaculture & Marine Biotechnology, 2005) Genc, E; Yilmaz, E; Akyurt, I
    The objective of this study was to compare the effects of dietary lipids on growth and liver histopathology of hybrid tilapia, Oreochromis niloticus x O. aureus, fry (6.0 g). Fish were fed one of six diets containing 8.4% fish oil (control), 8.4% soy-acid oil, 8.4% yellow grease, 5.6% yellow grease plus 2.8% soy-acid oil, 2.8% yellow grease plus 4.6% soy-acid oil, or 4.2% soy-acid oil plus 4.2% yellow grease for 60 days. Growth was similar in all groups and retarded in comparison to earlier studies. Lipid accumulation as well as microvesicular (foamy degeneration) and macrovesicular degeneration in the liver were histopathologically detected.
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    A first documented record of gnathiid infestation on white grouper (Epinephelus aeneus) in Iskenderun Bay (north-eastern Mediterranean), Turkey
    (Wiley-Blackwell, 2005) Genc, E; Genc, MA; Can, MF; Genc, E; Cengizler, I
    [Abstract Not Available]
  • [ N/A ]
    Öğe
    Redescription of three Philometra spp. (Nematoda, Philometridae) from the gonads of marine perciform fishes of Iskenderun Bay (North-East Mediterranean), Turkey
    (Versita, 2004) Moravec, FE; Genc, E
    The following three species of Philometra Costa, 1845 were recorded from the gonads of marine perciform fishes off the northeastern coast of the Mediterranean Sea (Iskenderun Bay), Turkey: P. lateolabracis (Yamaguti, 1935) from Epinephelus marginatus (Lowe, 1834) and Mycteroperca rubra (Bloch, 1793) (both Serranidae), P.filiformis (Stossich, 1896) from Pagellus erythrinus (Linnaeus, 1758) (Sparidae), and P. saltatrix Ramachandran, 1973 from Pomatomus saltatrix (Linnaeus, 1766) (Pomatomidae). New data on the morphology of all these histozoic parasites were obtained with the use of light and scanning electron microscopy, which made it possible to redescribe these so far little-known species. Males of P. lateolabracis were redescribed in detail on the basis of specimens recovered from M. rubra; conspecific mature females from the same host were described for the first time. Philometra saltatrix was found for the first time since its original description and for the first time outside North America. The finding of P. lateolabracis in M. rubra represents a new host record. The possible importance of these pathogenic parasites for cultures of marine perciform fishes is stressed. A key to Philometra spp. parasitic in the gonads of marine fishes is provided.