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  • 1995-1999  (3)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Experimental identification of the actinosporean stage of Sphaerospora renicola Dykova & Lom 1982 (Myxosporea: Sphaerosporidae) in oligochaete alternate hosts (1999)
    Oxford, UK : Blackwell Science, Ltd
    Journal of fish diseases 22 (1999), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The extrapiscine development of Sphaerospora renicola, a myxosporean parasite of the kidney of common carp, Cyprinus carpio L., was studied in the experimentally infected oligochaetes Tubifex tubifex (Müller) and Branchiura sowerbyi (Beddard). After the infection of these tubificids with homogenized common carp kidneys containing myxospores of S. renicola, the development of actinosporean stages was first observed under light microscopy 8 days after infection in pathogen-free T. tubifex. Infection of B. sowerbyi with mature actinosporean stages was first observed 91 days after infection. At that stage of development, pansporocysts containing neoactinospores filled the intestinal epithelium of the worm. Ninety-five days after infection, pansporocysts containing actinospores and free actinospores were found in the gut lumen of B. sowerbyi. Actinospores of S. renicola emerged from B. sowerbyi after 98 days of intraoligochaete development. These were floating in the water and showed the typical form of neoactinospores. The shape of the spores was triangular in apical view and elliptical in lateral view. The prevalence of infection reached 37%. Control specimens of B. sowerbyi proved to be free of neoactinospores. Except for a single specimen of B. sowerbyi, the only early developmental stages (pansporocysts) were found in T. tubifex.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2761.1999.00150.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Skrjabillanus cyprini n. sp. (Nematoda: Dracunculoidea) from the scales of common carp Cyprinus carpio (Pisces) from Hungary (1997)
    Springer
    Systematic parasitology 38 (1997), S. 147-151 
    Details
    ISSN: 1573-5192
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A new species of the histozoic nematode, Skrjabillanus cyprini n. sp., is described from the subsquamal part of the scales of common carp Cyprinus carpio L. from Lake Balaton, Hungary. It differs from the other three congeneric species mainly in possessing an extremely small, oval-shaped buccal capsule with a large tooth at the bottom, in the shape of the cephalic end (somewhat bulbously inflated, truncated anteriorly), the extent of the oesophageal glands and body size (body length of male and female 1,800–3,000 µm and 3,200–4,100 µm, respectively). A key to the identification of Skrjabillanus spp. is provided.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005885810718
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  • 3
    Electronic Resource
    Electronic Resource
    Eimerian infection in the gut of the tube-nosed gobyProterorhinus marmoratus (Pallas) of the River Danube (1996)
    Springer
    Systematic parasitology 34 (1996), S. 43-48 
    Details
    ISSN: 1573-5192
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A mixed infection with twoEimeria species,E. credintsi Moshu, 1992 andE. marmorata n. sp., was found in the gut of the tube-nosed goby of the River Danube basin. Sporulated oöcysts ofE. credintsi and unsporulated and semisporulated oöcysts ofE. marmorata were found freely in the gut lumen. Sporocysts ofE. credintsi open at the cap-like end, releasing sporozoites through a funnel-shaped opening. Sporocysts ofE. marmorata open at the tapered end, forming a fissure alongside the suture reaching up to half the length of the sporocysts. In histological preparations, both species were found in the intestinal epithelium. Merogonic and sporogonic stages ofE. credintsi and gamogonic and sporogonic stages ofE. marmorata were detected in the epithelium of the anterior part of the gut.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01531209
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    Paper (German National Licenses)
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