In vitro predatory activity of fungi Arthrobotrys robusta, Duddingtonia flagrans and Monacrosporium thaumasium on infective larvae of Ancylostoma spp. of dogs
2006
Maciel, Alessandro S. | Araujo, Jackson V. De | Cecon, Paulo R.
The predatory capacity of isolates of nematode-trapping fungus Arthrobotrys robust (I31), Duddingtonia flagrans (CG768) and Monacrosporium thaumasium (NF34A) on infective larvae of Ancylostoma spp. was evaluated in laboratorial conditions in experimental assay in medium water-agar 2% (WA 2%). There was significant reduction (p <0.05) of 89.89%, 97.75% and 88.76% in the average of infective larvae of Ancylostoma spp. recovered of medium WA 2% from the treatments with isolated CG768, I31 and NF34A, respectively. The isolated I31 was the most effective in the capture of the infective larvae. The results show that these fungi can be used in the environmental control of the free-living stages of Ancylostoma spp. of dogs.
Afficher plus [+] Moins [-]A capacidade predatória de isolados de fungos predadores de nematóide Arthrobotrys robusta (I31), Duddingtonia flagrans (CG768) e Monacrosporium thaumasium (NF34A) sobre larvas infectantes de terceiro estádio de Ancylostoma spp. foi avaliada em condições laboratoriais em ensaio experimental em meio ágar-água 2% (AA 2%). Houve redução significativa (P < 0,05) de 89,89%, 97,75% e 88,76% na média de larvas infectantes de Ancylostoma spp. recuperadas do meio AA 2% dos tratamentos com os isolados CG768, I31 e NF34A, respectivamente. O isolado I31 foi o mais eficaz na captura das larvas infectantes. Os resultados evidenciam que estes fungos predadores podem ser utilizados para controlar no ambiente as fases pré-parasitárias de Ancylostoma spp. de cães.
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