You are able to purchase manual fly sprays, fly tape that is strung on the ceiling of the barns, or a scratching mechanism that will automatically apply a fly repellent mixture to the animal as it scratches. You are able to purchase these at your local livestock feed or tack stores.
with a gun
How to Get Rid of Crane Flies
How to Get Rid of Crane Flies
yes, there is a weed called a goats head. They can be found in most gardens, and are a nightmare to get rid of. In flower they look like this :)
Shad flies can be rid of using a common insect repellent. If you an find their nest, you can use an insecticide.
They might have lice, be itchy due to dirt or be trying to get rid of their winter coat.
Hover flies are attracted to bright colors. To get rid of them, you could consider using a Rentokil Fly Killer pen.
Unless you have about
It flicks its tail around.
Use an insecticide.
swat them with a fly swatter
you can kill thier habitat