Diphyllobothrium latum in Italy: plerocercoids larvae distribution in perch (Perca fluviatilis) fillets
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Sperm characteristics in perch Perca fluviatilis L
Sperm production is a crucial factor for the potential reproductive success of males in many species (Nakatsuru & Kramer, 1982). Especially under strong sperm competition, higher sperm numbers in the ejaculates are likely to increase a male’s chance of fertilization (Parker et al., 1996). But sperm production is limited by physiological constraints, e.g. by testis size, which often depends on t...
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Rapporttyp Report category Licentiatavhandling x Examensarbete C-uppsats D-uppsats Övrig rapport _______________ Språk Language Svenska/Swedish x Engelska/English ________________ Titel Title Selective predation by perch (Perca fluviatilis) on a freshwater isopod, in two macrophyte substrates Författare Author Magnus Andersson Sammanfattning Abstract Recent studies show that populations of the ...
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In the sample of 83 specimens of the perch (Perca fluviatilis L., 1758), caught on eight different sampling sites at the Vlasinsko Lake reservoir, in April–October 1993, 25 infested specimens were found. They were infested with the following species of parasitic ciliates: Trichodinella epizootica, Apiosoma robustum, Apiosoma piscicolum ssp. perci, Ichthyophthirius multifiliis, Chilodonella cypr...
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ژورنال
عنوان ژورنال: Italian Journal of Food Safety
سال: 2013
ISSN: 2239-7132
DOI: 10.4081/ijfs.2013.e2