ZEARALENONE TOXICITY IN CATTLE AND SHEEP
 
Description    Zearalenone is an estrogenic mycotoxin from FUSARIUM species. Experimental studies show that the ration must contain large amounts of zearalenone fed over an extended period of time to cause bovine infertility. A similar syndrome is reported in sheep.
 
Species   Bovine, Ovine
 
Signs   Abnormal length of estrus period, Abortion or weak newborns, Agalactia, Anestrus, Anorexia, Female infertility, Galactorrhea, inappropriate milk production, Mammary gland swelling, Swelling mass, vulva, clitoris
 
References   Cortinovis C. Fusarium mycotoxins: Effects on reproductive function in domestic animals—A review. Therio 2013;80:557 [Web Reference]
Hasunuma H. Natural contamination of dietary rice straw with zearalenone and urinary zearalenone concentrations in a cattle herd. J Anim Sci 2012;90:1610 [Web Reference]
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