First, dew grass. The weather in the autumn season is getting cooler, and the leaves of the grass are often covered with dew drops in the early morning and early evening. The cattle and sheep ate the cows and sheep in the morning and waited for the sun to rise. After the dew had disappeared, they grazing. In the evening, they would return to herd before dew appeared. This will prevent cows and sheep from contracting due to dew wet grass.
Second, frost hit the leaves and stems of castor. In late autumn and early winter, the ramie leaves and stems that are hit by frost contain a toxin known as ricinine, which is prone to poisoning after eating.
Third, the harvested sorghum and corn seedlings. The sorghum and corn seedlings that have been harvested in autumn contain a large amount of hydrocyanic acid. Hydrocyanic acid is a highly toxic substance that is easily poisoned by cattle and sheep.
Fourth, the soft skin on the corn on the cob. Although the soft skin of corn cob is sweet, cattle and sheep like to eat, but it contains a lot of crude fiber, particularly strong toughness, not easy to Jubilee and digestion, often accumulate in the stomach of cattle and sheep caused by obstruction, a long time will ferment, corruption , gas production, and produce a large number of toxic substances, resulting in cattle and sheep poisoning and body poisoning and death.
Five, drunk horse grass. Drunken horse grass grows all over China, especially in grasslands and pastures. Cattle and sheep are very easy to feed, and poisoning can occur after eating.
Six, poison celery. The poison celery is also called wild celery, and any part of the poisonous celery that is eaten by the cow and sheep can cause poisoning. The lethal dose of its roots to cattle and sheep is about 70 grams.
Seventh, shedding flowers. The rambling flowers are also known as yellow flowers, yellow azaleas, and azaleas. When grazing, it is easy for cattle and sheep to feed. The flowers and leaves of rambling flowers contain toxic ingredients such as azaleas, which have strong toxicity to cattle and sheep. The toxin first excited the central nervous system and then inhibited it, eventually causing the death of the central nervous system in the respiratory system, heart, and blood vessels. In addition, rhododendron toxins have a stimulatory effect on the digestive tract and can cause inflammation of the digestive tract.
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