Facial eczema (FE) is primarily a liver disease of ruminants that is caused by the ingestion of the toxin sporidesmin which is produced by spores of the fungus, Pithomyces chartarum. The liver and bile-duct injury may be monitored with a non-specific indicator, gamma-glutamyltransferase (GGT; Morris et al. (1990)). Dairy cattle may be assessed for their tolerance/susceptibility to sporidesmin by measuring their GGT activities in blood, about three weeks after a sporidesmin challenge. Under these conditions, logeGGT is heritable (0.34 ± 0.02), according to Cullen et al. (2011)...
Proceedings of the New Zealand Society of Animal Production, Volume 74, Napier, 158-160, 2014
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