Dung-derived biological agents associated with reduced numbers of infective larvae of equine strongyles in faecal cultures

Journal of Helminthology
J BirdJ Wolstrup

Abstract

Two sets of dung-derived organisms from soil routinely fertilized with manure (MA) and soil chemically fertilized (CH) were cultured separately in the laboratory. Baermannized organisms from these cultures were added to 20 g of faeces from strongyle-infected horses to form three treatment groups: (i) no soil organisms; (ii) low inoculum of soil organisms containing all organisms present in a suspension of approximately 100 adult female free-living nematodes; and (iii) high inoculum containing those soil organisms present with approximately 1000 adult female free-living nematodes. Three studies were conducted using MA cultures and faeces containing 50 stronglye epg, CH cultures and faeces containing 1500 strongyle epg, and a mixture of soil organisms from the two cultures (MC) and faeces containing 600 strongyle epg. Within each study, five control cultures and 15 each of low and high inoculum cultures were prepared and incubated at 24 degrees C and 95% humidity in a climate chamber for 15 days. Parasitic and free-living nematodes were then recovered by the Baermann technique and counted. The numbers of third stage larvae were significantly lower in the high inoculum group compared to controls. The percent reductions in the numb...Continue Reading

References

Aug 1, 1994·Veterinary Parasitology·H Bjørn
Feb 1, 1993·Veterinary Parasitology·T M Craig
Aug 1, 1995·International Journal for Parasitology·R Herd
May 1, 1996·International Journal for Parasitology·T P CharlesC D Santos

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Citations

Feb 27, 1999·International Journal for Parasitology·M Larsen
Jul 27, 2011·Revista iberoamericana de micología·María Federica SagüésCarlos Saumell
Sep 19, 2006·Life Sciences·Abdul JabbarMusarrat Afaq
Apr 4, 2006·Journal of Animal Science·M Larsen

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