Is bird cherry tree poisonous for livestock?

Yes, the bird cherry tree (Prunus padus) is considered toxic to livestock, particularly horses and cattle. It contains compounds like cyanogenic glycosides, which can release cyanide when metabolized. Consumption of the leaves, bark, or fruit can lead to symptoms such as difficulty breathing, staggering, and in severe cases, can be fatal. It's important for livestock owners to be aware of this tree and prevent access to it.