Went to do last checks on Millie tonight and found blood on the inside of her back leg, on closer inspection it appeared to come from two areas of her stomach. One spot like a 6 inch cut and another lump-like scab. Both swarming with flies, there wasn't much blood, only a few drops. Neither seem to hurt, just very itchy. I washed with disinfectant and put on some diluted deosect. Whats the best way of managing these pesky flies and stop this getting worse; garlic, fly rug, copious amounts of fly spray?