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Control biológico de saprozoonosis y reciclaje de aceite: sinergismo circular

Authors: Cuervo Suárez, Joel;

Control biológico de saprozoonosis y reciclaje de aceite: sinergismo circular

Abstract

[SPA] El uso intensivo y prolongado de tratamientos antiparasitarios ha dado lugar a un incremento en las resistencias que los parásitos presentan frente a estos fármacos, siendo más notable en aquellos que afectan a los animales de producción. Debido a esta situación, la búsqueda de alternativas y métodos complementarios para el tratamiento y la prevención de dichas infecciones parasitarias está tomando una importancia creciente. Entre estos métodos de prevención complementarios se encuentra el control biológico, el cual emplea sustancias y metabolitos naturales, así como organismos vivos, como alternativas sostenibles y eficaces para minimizar la presencia de dichos parásitos en el ambiente. En este estudio se evaluó la actividad parasiticida de Trichoderma atrobrunneum, un hongo con demostrada eficacia frente a ciertos fitopatógenos, aunque su potencial contra nematodos no ha sido ampliamente documentado. Se analizó su actividad ovicida contra Ascaris suum, en comparación con los hongos Mucor circinelloides y Clonostachys rosea, a lo largo de un periodo de 60 días. Otro punto evaluado fue la capacidad ovicida de T.atrobrunneum frente a Toxascaris leonina y Trichuris spp. en presencia de distintos porcentajes de aceite de cocina usado, a lo largo de 45 días, donde se observó que dicha actividad se mantenía. También se estudió la capacidad de crecimiento de este hongo en medios líquidos con diferentes porcentajes de aceite usado, comparándose con la capacidad de crecimiento de M. circinelloides. En ambos casos, se observó cómo porcentajes bajos (1 %) de aceite de cocina usado favorecieron el desarrollo de los hongos. [GLG] O uso intensivo e prolongado de tratamentos antiparasitarios deu lugar a un incremento nas resistencias que os parasitos presentan fronte a estes fármacos, sendo máis notable naqueles que afectan os animais de produción. Debido a esta situación, a procura de alternativas e métodos complementarios para o tratamento e a prevención das devanditas infeccións parasitarias está a tomar unha importancia crecente. Entre estes métodos de prevención complementarios atópase o control biolóxico, o cal emprega substancias e metabolitos naturais, así como organismos vivos, como alternativas sostibles e eficaces para minimizar a presenza dos devanditos parasitos no ambiente. Neste estudo avaliouse a actividade parasiticida de Trichoderma atrobrunneum, un fungo con demostrada eficacia fronte a certos fitopatógenos, aínda que o seu potencial contra nematodos non foi amplamente documentado. Analizouse a súa actividade ovicida contra Ascaris suum, en comparación cos fungos Mucor circinelloides e Clonostachys rosea, ao longo dun período de 60 días. Outro punto avaliado foi a capacidade ovicida de T. atrobrunneum fronte a Toxascaris leonina e Trichuris spp. en presenza de distintas porcentaxes de aceite de cociña usado, ao longo de 45 días, onde se observou que dita actividade mantíñase. Tamén se estudou a capacidade de crecemento deste fungo en medios líquidos con diferentes porcentaxes de aceite usado, comparándose coa capacidade de crecemento de M. circinelloides. En ambos os casos, observouse como porcentaxes baixas (1 %) de aceite de cociña usado favoreceron o desenvolvemento dos fungos. [ENG] The intensive and prolonged use of antiparasitic treatments has led to an increase in parasite resistance to these drugs, which is especially notable in those affecting livestock animals. Due to this situation, the search for alternatives and complementary methods for the treatment and prevention of such parasitic infections is gaining increasing importance. Among these complementary prevention methods is biological control, which uses natural substances and metabolites, as well as living organisms, as sustainable and effective alternatives to reduce the presence of these parasites in the environment. In this study, the parasiticidal activity of Trichoderma atrobrunneum was evaluated, a fungus with proven efficacy against certain phytopathogens, although its potential against nematodes has not been widely documented. Its ovicidal activity against Ascaris suum was analyzed and compared with that of Mucor circinelloides and Clonostachys rosea over a 60-day period. Another aspect evaluated was the ovicidal capacity of T. atrobrunneum against Toxascaris leonina and Trichuris spp. in the presence of different percentages of used cooking oil over a 45-day period, where its activity was observed to persist. The fungus’s growth capacity in liquid media with varying percentages of used oil was also studied and compared with that of M. circinelloides. In both cases, low percentages (1%) of used cooking oil favored fungal development.

Country
Spain
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Keywords

Trichoderma, Control biológico, Reciclar, Solo, Soil, Sustainability, Biological control, Control biolóxico, Recycling, Helmintos, Suelo, Sostibilidade, Sostenibilidad

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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