Isolation of Ovicidal Fungi from Fecal Samples of Captive Animals Maintained in a Zoological Park
AbstractAbstract: There are certain saprophytic fungi in the soil able to develop an antagonistic effect against eggs of parasites. Some of these fungal species are ingested by animals during grazing, and survive in their feces after passing through the digestive tract. To identify and isolate ovicidal fungi in the feces of wild captive animals, a total of 60 fecal samples were taken from different wild animals kept captive in the Marcelle Natureza Zoological Park (Lugo, Spain). After the serial culture of the feces onto Petri dishes with different media, their parasicitide activity was assayed against eggs of trematodes (Calicophoron daubneyi) and ascarids (Parascaris equorum). Seven fungal genera were identified in the feces. Isolates from Fusarium, Lecanicillium, Mucor, Trichoderma, and Verticillium showed an ovicidal effect classified as type 3, because of their ability to adhere to the eggshell, penetrate, and damage permanently the inner embryo. Penicillium and Gliocladium developed a type 1 effect (hyphae attach to the eggshell but morphological damage was not provoked). These results provide very interesting and useful information about fungi susceptible for being used in biological control procedures against parasites. View Full-Text
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Hernández, J.A.; Vázquez-Ruiz, R.A.; Cazapal-Monteiro, C.F.; Valderrábano, E.; Arroyo, F.L.; Francisco, I.; Miguélez, S.; Sánchez-Andrade, R.; Paz-Silva, A.; Arias, M.S. Isolation of Ovicidal Fungi from Fecal Samples of Captive Animals Maintained in a Zoological Park. J. Fungi 2017, 3, 29.
Hernández JA, Vázquez-Ruiz RA, Cazapal-Monteiro CF, Valderrábano E, Arroyo FL, Francisco I, Miguélez S, Sánchez-Andrade R, Paz-Silva A, Arias MS. Isolation of Ovicidal Fungi from Fecal Samples of Captive Animals Maintained in a Zoological Park. Journal of Fungi. 2017; 3(2):29.Chicago/Turabian Style
Hernández, José A.; Vázquez-Ruiz, Rosa A.; Cazapal-Monteiro, Cristiana F.; Valderrábano, Esther; Arroyo, Fabián L.; Francisco, Iván; Miguélez, Silvia; Sánchez-Andrade, Rita; Paz-Silva, Adolfo; Arias, María S. 2017. "Isolation of Ovicidal Fungi from Fecal Samples of Captive Animals Maintained in a Zoological Park." J. Fungi 3, no. 2: 29.
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