Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 307861
Title Studies on the survival of Ascaris suum eggs under laboratory and simulated field conditions
Author(s) Gaasenbeek, C.P.H.; Borgsteede, F.H.M.
Source Veterinary Parasitology 75 (1998)2-3. - ISSN 0304-4017 - p. 227 - 234.
Department(s) ID Lelystad, Institute for Animal Science and Health
Publication type Refereed Article in a scientific journal
Publication year 1998
Abstract A series of four experiments was carried out to study the survival of Ascaris suum eggs: in a pig slurry unit on a farm, in the laboratory under anaerobic conditions and different relative humidities (rH), and under simulated field conditions. Survival of eggs in the pig slurry unit was 20% after four weeks and 0% after 16 weeks. Anaerobic conditions had only a minor influence on survival: after 12 weeks, more than 80% of the eggs could still develop. At high relative humidities (100% and 75%), survival was respectively 96% and 62% after 12 weeks. At 47.5% rH, survival dropped to 0% after 10 weeks and at 7.5% rH in 8 weeks. A. suum eggs kept in pig slurry under dry and sunny outdoor conditions survived for 2-4 weeks, whereas under wet and shady conditions, 90% of the eggs were still viable after 8 weeks.
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