Preparation for preventing livestock locoweed poisoning

The invention relates to a preparation for preventing livestock locoweed poisoning. In order to solve the problems of unavailable materials, poor safety and inconvenient usage existing in the prior art, the invention provides the technical proposal as follows: a preparation for preventing the livestock locoweed poisoning comprises the components of locoweed antidote and a time-release carrier, wherein, the time-release carrier takes 30 percent to 36 percent of the gross weight of the preparation; and the locoweed antidote takes 64 percent to 70 percent of the gross weight of the preparation; the locoweed antidote comprises the raw materials with the weight portions as follows: 45 to 53 portions of feed additive grade zinc sulfate, 45 to 55 portions of feed additive grade iron sulfate, 0.15 to 0.25 portion of feed additive grade cobalt chloride, 0.05 to 0.15 portion of feed additive grade sodium selenite, 0.15 to 0.25 portion of glucose and 0.45 to 0.55 portion of vitamin C. Compared with the prior art, the in