White clover is an important pasture legume for the dairy industry in Australia. Due to the high protein content of white clover, consumption of white clover can lead to bloat, a condition often fatal to livestock. Condensed tannins (proanthocyanidins) are secondary metabolites of plants with protein-binding properties. A small proportion of condensed tannins in the diet is able to reduce the rate of fodder degradation by microbes in the rumen, protecting livestock against bloat. White clover foliage has trace amounts of condensed tannins that are not sufficient to prevent bloat. The...