A New Soil-Based Solution for Reducing the Persistence of Parasites in Zoos
Por:
Hernández J.Á., Viña C., Lozano J., Zubiría I., Baena M., Abreu-Ramos I., Salmo R., Valderrábano E., Pérez-Anzúrez G., Paz-Silva A., Muíño R., Cazapal-Monteiro C., Arias M.S., Camiña M.
Publicada:
1 ene 2024
Resumen:
Controlling parasites in zoo animals is a significant challenge, making practical infection prevention methods essential. This study evaluated a novel solution using parasitophagous fungi-treated forage seeds to reduce soil parasite persistence. We conducted two experiments to assess the soil distribution of the fungi Mucor circinelloides (ovicidal) and Duddingtonia flagrans (larvicidal). Forage seeds were immersed in a submerged culture containing 106 spores/mL and subsequently sown in plastic trays (trial 1) and demarcated ground plots (40 × 30 cm) framed with wood (trial 2). Fifteen days later, Ascaris suum and cyathostomin eggs were placed above the germinated vegetation. After a 25–30-day period, the viability of roundworm eggs reduced by 62%, and half of them remained undeveloped; a 64% reduction in the counts of L3 cyathostomins was recorded. In trial 2, viability decreased by 55% in roundworm eggs, with an infectivity rate of 30%, while L3 counts lessened by 57%. It has been concluded that the risk of infection by ascarids and cyathostomins can be reduced by at least half by sowing the soil with forage seeds pre-treated with fungi, providing a practical solution for parasite control in zoos. © 2024 by the authors.
Filiaciones:
Hernández J.Á.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Propaedeutic Clinic, Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Viña C.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Lozano J.:
CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Avenida da Universidade Técnica, Lisbon, 1300-477, Portugal
Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Lisbon, 1300-477, Portugal
Zubiría I.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Baena M.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Abreu-Ramos I.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Salmo R.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Valderrábano E.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Marcelle Natureza Zoological Park, Outeiro de Rei, 27154, Spain
Pérez-Anzúrez G.:
Laboratory of Helminthology, National Centre for Disciplinary Research in Animal Health and Innocuity (CENID-SAI), National Institute for Research in Forestry, Agriculture and Livestock-Ministry of Agriculture and Rural Development, (INIFAP-SADER), Jiutepec, 62550, Mexico
Production Sciences and Animal Health, Faculty of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico, Ciudad de México, Coyoacán, 04510, Mexico
Paz-Silva A.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Muíño R.:
Propaedeutic Clinic, Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Cazapal-Monteiro C.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Arias M.S.:
Control of Parasites Group (COPAR, GI-2120), Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
Camiña M.:
Department of Physiology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, 27002, Spain
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