Isolation and identification of fungi and yeasts in the faeces of Cattle Egret (Bubulcus ibis).
Abstract
The different microorganisms that make up the normal microbiota of birds can be present in different elements and environments, which in immunocompromised or susceptible situations of the host, can cause diseases presentations, in animals as well as in humans. Among the different mycotic agents frequently isolated in birds are Aspergillus spp., Cryptococcus spp., Candida spp., Microsporum spp. and Malassezia spp. Cattle egret, like other migratory birds, have a fungal microbiota composed of microorganisms, which can directly affect the metabolism and health of the host. The objective of this research work was to identify the genera of fungi found in fresh droppings of Cattle egret. The rest areas of colony of Cattle egret were identified to collect droppings, a total of 240 pool droppings samples cultivated in Sabouraud agar and incubated at 25-37°C for 2-3 days. Fungi were identified by lactophenol blue staining. Different genera were isolated and identified: Mucor spp. (28.50%), Rhizopus spp. (18.42%); Alternaria spp. (13.59%); Microsporum spp. (9.21%); Penicillium spp. (8.99%); Paecilomyces spp. (8.0%); Geotrichum spp. (4.38%); Trichophyton spp. (2.5%); Cryptococcus spp. (1.30%); Rodotorula spp. (1.20%) and Scedosporium spp. Our results agree with the isolations that have been obtained from different species of wild birds, the Melodic turtledove (Zenaida meloda), domestic pigeon (Columba livia), Chestnut-bellied Seed Finch (Oryzoboryus angolensis), Great-billed Seed Finch (Oryzoborus maximiliani) and mainly poultry. Based on this research work, it was concluded that Mucor spp., Rizophus spp., Alternaria spp., Penicillium spp. and Rodhotorula spp. are part of the fungal microbiota of the Cattle Egret (B. ibis).
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