, Volume 162, Issue 5, pp 355–362 | Cite as

Mycobiota in poultry feeds and natural occurrence of aflatoxins, fumonisins and zearalenone in the Rio de Janeiro State, Brazil

  • Glenda R. Oliveira
  • Jessika M. Ribeiro
  • Marcelo E. Fraga
  • Lilia R. CavaglieriEmail author
  • Gloria M. Direito
  • Kelly M. Keller
  • Ana M. Dalcero
  • Carlos A. Rosa


The intake of mycotoxin-contaminated feeds can lead to nutrient losses and may have adverse effects on animal health and on productivity. The aims of this study were (1) to determine the mycobiota present in poultry feed samples, and (2) to evaluate the natural occurrence of aflatoxin B1, fumonisin B1 and zearalenone. Fungal counts were similar between all culture media tested (10CFU g−1). The most frequent genus isolated was Penicillium spp. (41.26%) followed by Aspergillus spp. (33.33%) and Fusarium spp. (20.63%). High precision liquid chromatography was applied to quantify aflatoxin B1 and fumonisin B1. Thin layer chromatography was used to determine zearalenone levels. Aflatoxin B1 values ranged between 1.2 and 17.5 μg kg−1. Fumonisin B1 levels ranged between 1.5 and 5.5 μg g−1. Zearalenone levels ranged between 0.1 and 7 μg g−1. The present study shows the simultaneous occurrence of two carcinogenic mycotoxins, aflatoxin B1 and fumonisin B1, together with another Fusarium mycotoxin (zearalenone) in␣feed intended for poultry consumption. Many samples contained AFB1 levels near the permissible maximum and it could affect young animals. A synergistic toxic response is possible in animals under simultaneous exposure.


aflatoxin B1 fumonisin B1 poultry feed zearalenone 


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Copyright information

© Springer 2006

Authors and Affiliations

  • Glenda R. Oliveira
    • 1
  • Jessika M. Ribeiro
    • 1
  • Marcelo E. Fraga
    • 1
  • Lilia R. Cavaglieri
    • 2
    Email author
  • Gloria M. Direito
    • 1
  • Kelly M. Keller
    • 1
  • Ana M. Dalcero
    • 2
    • 3
  • Carlos A. Rosa
    • 1
  1. 1.Departamento de Microbiologia e Imunología Veterinária, Instituto de VeterináriaUniversidade Federal Rural do Rio de JaneiroSeropedicaBrazil
  2. 2.Departamento de Microbiología e Inmunología, Facultad de Ciencias Exactas, Físico-Químicas y NaturalesUniversidad Nacional de Río CuartoRío CuartoArgentina
  3. 3.Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Buenos AiresArgentina

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