Peroxide is not a good disenfectant. That is why I mentioned the provodine/iodine.
I have sewed up quite few horses with fishing line . It works fine, IF you watch the site for infetcion. Note that I stated infection was the biggest problem. In an emergebcy, you use what you have on hand. Note, I have suture kits now. Years ago you could not get them.


If God wanted you to walk and carry things on your back, He would not have invented stirrups and pack saddles