Development of the free-living stages of Hyostrongylus rubidus and Oesophagostomum spp. at different temperatures and humidities.
Faeces containing a mixture of Hyostrongylus rubidus and Oesophagostomum spp. eggs were mixed with vermiculite and water and set up at combinations of different relative humidities (65.5%, 79.5% 90.0%, and 100%) and temperatures (5 degrees C, 10 degrees C, 15 degrees C, 20 degrees C, and 25 degrees C) in order to study the rate of egg hatching and larval development. The study established that the development from egg to infective larva showed similar patterns for the two parasites. Optimum development and survival was in the temperature range from 15 degrees C to 20 degrees C and at humidities from 79.5 to 95.5%.
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Danish Centre for Experimental Parasitology, Department of Veterinary Microbiology, Royal Veterinary and Agricultural University, Frederiksberg.
Knudsen
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Bjørn
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Nansen
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D000818:Animals; D005243:Feces; D005260:Female; D006813:Humidity; D007814:Larva; D009814:Oesophagostomiasis / Q000503:physiopathology; D009815:Oesophagostomum / Q000254:growth & development* / Q000472:pathogenicity; D009865:Oocytes; D013321:Strongyloides / Q000254:growth & development* / Q000472:pathogenicity; D013322:Strongyloidiasis / Q000503:physiopathology; D013552:Swine; D013696:Temperature