Santiago de Compostela, España
Ascaris suum is an intestinal roundworm passing eggs by faeces, which become infective during a period of 2-8 weeks in the soil mainly. With the objective to prevent infection in pigs, the effect of adding spores of an ovicidal fungus (Mucor circinelloides) to on-farm feedstuff manufactured has been tested. Two groups of 8 piglets each were utilized in the current study, one receiving feedstuff with spores (G-M) and the other without them (G-C). Faeces of piglets were collected and placed into polypropylenecages for 30 days. Afterwards, the viability of A. suum-eggs in the G-C reduced by 10%, while in the piglets feeding spores a percentage of reduction of 60% was observed. It is concluded that addition of Mucor spores to the feedstuff provides a very useful tool for destroying the eggs of this parasite in the faeces of infected pigs. In this way, infection of other pigs can be prevented.
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