Dog attack on horses

I'm trying to raise funds to help cover the cost of the vet bills, unfortunately as some of you know 2 of my childrens horse's was terribly attacked by 2 x pit x staff dogs and I have had to get vets out to the horses as they was left with alot of open wonds vets have been here all morning and the vet bill is quite high if you can help me out this would me alot to myself and my family