Source: Jamie Rothenburger, The Western Producer, August 21, 2017
Crusts on the light-coloured skin on the muzzle of a horse show the effects of Alsike clover toxicity.
Unlike their counterparts in the southern United States, Canadian horse owners have relatively few toxic pasture plants to contend with.
One is Alsike clover.
The plant is thought to have originated in Sweden and was introduced to Canada as a forage plant in the 1800s. Since it thrives in cold climates, it is particularly common in northern Canadian pastures.