Milkweed In Hay For Cows. The use of this product causes a buildup of arsenicals in the plants which can lead to poisoning of livestock that graze the forage or are fed the hay from treated fields. It is important to keep pastures and hay free from milkweed.
Monarch and milkweed misconceptions. Signs generally milkweed is not deadly in small doses. Opposite leaves sometimes whorled are oblong to elliptic with a prominent.
There are documented cases of cattle deaths due to arsenic based herbicide applications.
Yes all milkweeds contain toxins that can be poisonous to livestock so caution should be used in where it is planted. Can be toxic to livestock esp. It is important to keep pastures and hay free from milkweed. Milkweed plants are considered unpalatable and are eaten only when other forages are not available and may also be found in hay and processed feeds.