Sulfur for cattle tends to be a bit of a dividing subject for most producers. When it comes to this subject it generates a love/hate relationship with cattlemen. There are ones who love them as well as swear by them, then there are others who feel they are a waste of money.
The ones that love them say that it helps with external parasite control. While putting sulfur powder has been shown to help in that area there is no, as far as I’m aware. no evidence that the block does that.
As with everything there are pros and cons to using them. While there is some benefit to feeding sulfur one must be careful. You need to weigh the options yourself and decide if it could be something that will work for you.