Denise: I was unaware that alsike clover had an adverse effect on horses. Could you recommend supplementary reading on this issue? Ann ACLARK@crop.uoguelph.ca Dr. E. Ann Clark Associate Professor Crop Science University of Guelph Guelph, ON N1G 2W1 Phone: 519-824-4120 Ext. 2508 FAX: 519 763-8933