The potential of nematophagous fungi to control the free-living stages of nematode parasites of sheep: feeding and block studies with Duddingtonia flagrans
| Autor: | P.J. Waller, M. Faedo, M.R. Knox |
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| Rok vydání: | 2001 |
| Předmět: |
Male
Time Factors Trichostrongylus Biological pest control Sheep Diseases Biology Duddingtonia flagrans Nematophagous fungus Feces Animal science Ascomycota Species Specificity Animals Pest Control Biological Parasite Egg Count Larva Sheep General Veterinary Manufacturing process business.industry Trichostrongylosis General Medicine Spores Fungal biology.organism_classification Animal Feed Nematode Agronomy Trichostrongylus colubriformis Parasitology Livestock business |
| Zdroj: | Veterinary Parasitology. 102:321-330 |
| ISSN: | 0304-4017 |
| Popis: | A series of feeding trials was conducted with penned sheep harboring Trichostrongylus colubriformis infections. They were offered barley grains supporting the growth of the nematophagous fungus Duddingtonia flagrans. It was shown that as little as 5 g of grain/sheep per day was sufficient to virtually eliminate larval numbers from faecal culture. This effect persisted for the time that the fungal grains were fed, and for up to 2 days following cessation of feeding this material. Macerated fungal grains were also incorporated into a range of feed block formulations. In all these, D. flagrans was found to survive the manufacturing process and resulted in significant reductions in larval numbers in faecal cultures set up during the feeding period to sheep. This was observed even for sheep that showed only modest and irregular block consumption. These studies demonstrate that supplementary feeding or block administration offer potential deployment options for D. flagrans as a means of biological control of nematode parasites of livestock. |
| Databáze: | OpenAIRE |
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