The role of mycotoxins in pig reproduction: a review
2009
Kanora, A.,Huvepharma NV, Antwerp (Belgium) | Maes, D.,Ghent Univ., Merelbeke (Belgium). Faculty of Veterinary Medicine
This article presents a review describing the main mycotoxins encountered in pig feed which have a negative impact on sow fertility and reproduction. Consumption of feed that is contaminated with these mycotoxins may cause a variety of symptoms, depending on the type of mycotoxin, quantity and duration of exposure, as well as the health status and condition of the animal at the time of exposure. Two types of fungi are recognized, field fungi and storage fungi. Field fungi such as Fusarium spp., Aspergillus spp. and Claviceps spp. may produce toxins that lead to disturbed reproductive performance. Storage fungi occur if the humidity during storage is too high. In daily practice, the symptoms related to mycotoxicosis can occur at toxin concentrations below the detection limit. Mycotoxins may still be present in feedstuffs despite negative analytical findings and because of the presence of hot spots in feedstuffs. Clinical symptoms can be very pronounced or vague. The main toxins causing reproductive failure discussed in this article are aflatoxins, ergot alkaloids, trichothecenes and zearalenone.
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