Do cows eat pigweed?

Online Answer
Pigweed or carelessweed is very common in areas where cattle congregate. Cattle will readily eat the young plants, but avoid the older plants unless forced to eat them. ... Redroot pigweed is more toxic than spiny-root pigweed, but is less common. Pigweed can accumulate nitrates, so sudden death is the most common outcome.
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The leaves of pigweed are also incredibly nutritious. They're high in vitamins A and C and folate, as well as calcium. In Jamaica, pigweed is known as callaloo and is a culinary staple.
Lams quarters, (Chenopodium album), also called pigweed, annual weedy plant of the amaranth family (Amaranthaceae), of wide distribution in Asia, Europe, and North America. It can grow up to 3 metres (about 10 feet) but is usually a smaller plant..
The entire plant is edible, including the leaves, seeds, flowers, and stems. Pigweed leaves have a green and slightly astringent-sweet flavor with a semi-coarse texture.
Rotary hoeing: Pigweeds are easily controlled with a rotary hoe when less than 1/4" in height. Flaming: Flaming is very effective on small pigweed plants (less than 1.5" in height). Crop rotation: Small grains suppress redroot pigweed in the rotation..
In these conditions, many herbicides break down over time and Palmer amaranth will keep growing. It can grow from 2 to 5 inches (51 to 127 mm) in three days, or less..