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  • 1
    Electronic Resource
    Electronic Resource
    The ant, Pachycondyla sennaarensis (Mayr) as an intermediate host for the poultry cestode, Raillietina tetragona (Molin) (1988)
    Springer
    Veterinary research communications 12 (1988), S. 325-327 
    Details
    ISSN: 1573-7446
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The role of several species of ants as intermediate hosts for poultry cestodes in the Sudan was investigated by a search for cysticercoids in specimens from poultry houses in various localities in the country. Pachycondyla sennaarensis, Messor galla and Acantholepis sp. were the only species collected from the areas surveyed. All these ants were examined for cysticercoids of poultry tapeworms but only P. sennaarensis was found to carry cysticercoids, all of which were identical to those of the poultry cestode, Raillietina tetragona. This tapeworm was recovered from all chicks fed the cysticercoids obtained from P. sennaarensis. R. tetragona cysticercoids were present in 63.3% of the P. sennaarensis sampled with 1–40 cysticercoids per ant, which is the heaviest recorded infestation of an ant species with these cysticeroids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00343251
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Onchocerca armillata Railliet and Henry, 1909 andOnchocerca gutturosa (Neumann, 1910) in camels (Camelus dromedarius L.) in the Sudan (1988)
    Springer
    Veterinary research communications 12 (1988), S. 475-480 
    Details
    ISSN: 1573-7446
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A study undertaken to determine theOnchocerca species infecting camels that live in the same localities as cattle in the Dinder Region, Blue Nile Province, Sudan revealed concurrent infections with the bovine parasitesOnchocerca armillata in the thoracic aorta, brachiocephalic trunks and brachial arteries andOnchocerca gutturosa in the ventral side of the lamellar parts of theligamentum nuchae. The microfilariae of both species had the same predilection sites in the skin of the ears, head and neck regions. Those ofO. gutturosa outnumber those ofO. armillata but both are smaller than the respective uterine microfilariae. Males and microfilariae of both species are smaller than those of cattle origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01075477
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Onchocerca raillieti: Release from skin snips, maintenance in vitro and periodicity of microfilariae (1990)
    Springer
    Veterinary research communications 14 (1990), S. 31-39 
    Details
    ISSN: 1573-7446
    Keywords: donkey ; microfilariae ; Onchocerca raillieti ; periodicity ; release ; skin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Several media were tested for the release of Onchocerca raillieti microfilariae from skin snips and for their subsequent in vitro maintenance. Tyrode's solution containing 20% equine serum and antibiotics was the best medium tested, followed by phosphate buffered saline. Tyrode's solution alone or distilled water were poor media. A temperature 7–12°C lower than the host's body temperature favoured release of the microfilariae from skin snips. The microfilariae were best maintained at 4–10°C, when they remained alive for up to 5 days. O. raillieti microfilariae had an evening periodicity which could be related to a possible vector's peak of feeding activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00346381
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Babesia hylomysci in mice: Preference for erythrocytes of a particular age-group and pathogenesis of the anaemia (1976)
    Springer
    Parasitology research 50 (1976), S. 103-108 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Scintillation counting on 59Fe-labelled haemoglobin in erythrocytes, serum and urine during B. hylomysci infection in mice demonstrated that the parasite had a predilection to older mature erythrocytes and that the anaemia produced during the infection was mainly due to the direct destruction of infected erythrocytes. An autoimmune reaction has also been incriminated as a factor in the pathogenesis of the anaemia, but was of a lesser magnitude and its manifestations were masked by the direct destruction of infected erythrocytes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00380515
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    Paper (German National Licenses)
    Fulltext
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