This would depend on the type and amount of minerals the horse ingests. If the horse is eating dirt, you need to provide a mineral supplement designed for horses as his needs are not being met by his normal feed ration alone. You should have a equine vet come out and check the horse to make sure he's completely healthy except for the lack in minerals.
no
You wont die from eating dirt but I wouldn't recommend it.
No, yogurt is very bad it can make them very sick as horses are herbivores, accustomed to eating grass and hay.
no they can't but if you leave you hay somewhere that can get wet it will possibly get mouldy and then they can get sick! Also if you hay get too dusty it can get your horse quite sick.. but make sure you don't feed your horse on the dirt cause then they can get very sick!
Why are you eating dirt in the first place?
Some horses will eat bananas. Bananas are sweet and horses enjoy sweet foods.
Yes, it is true that horses can get sick from E.Coli bacteria. If not taken care of immediately, horses can die from E.Coli.
No You cannot be killed by eating alot of dirt but you might choke on rocks.
You can get sick from eating too much of anything.
Yes, you could get sick from eating green salami.
Can you get sick eating old brown rice
Why are you eating dirt