• José Eugênio Trés
  • Rita de Cassia Gomes Pereira
  • Jhonnathan Paulo Oliveira
  • Glória Maria Direito
  • Vera Lucia Teixeira de Jesus
  • Júlio Cesar Ferraz Jacob
Keywords: Mycotoxin, reproduction, ovarian, cattle


ABSTRACT. Trés J.E., Pereira R. de C.G., Oliveira J.P., Direito G.M., Jesus V.L.T. de & Jacob J.C.F. [Influence of zearalenone on reproduction of crossbred heifers.] Influência da zearalenona sobre a reprodução de novilhas mestiças. Revista Brasileira de Medicina Veterinária, 33(1):48-50, 2011. Departamento de Avaliação e Reprodução Animal, Instituto de Zootecnia, Universidade Federal Rural do Rio de Janeiro, BR 465, km 7, Seropédica, RJ 23890-000, Brasil. E-mail: Zearalenone produced by Fusarium, found in concentrate and roughage, which is the staple diet of cattle predispose the occurrence of follicular cysts in dairy cows. Besides it, induce hyperestrogenism, which presents with recurrence of estrus, and therefore reducing the conception rate. In the period September 2007 to April 2008, 14 heifers fed with barley a long time, showing clinical similar to that produced by zearalenone, these were found 9 heifers with follicular cysts with a size between 18.5 mm and 26 mm. Wander laboratory tests, the presence of zearalenone in barley was detected, demonstrating that Fusarium contamination affects reproduction and cause economic losses.

How to Cite
Trés, J. E., Pereira, R. de C. G., Oliveira, J. P., Direito, G. M., de Jesus, V. L. T., & Jacob, J. C. F. (2011). INFLUENCE OF ZEARALENONE ON REPRODUCTION OF CROSSBRED HEIFERS. Brazilian Journal of Veterinary Medicine, 33(1), 48-50. Retrieved from

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