Last night I noticed an abscess on the midsection of one of my fawns. It was about the size of a quarter and raised. I was able to express a small amt of bloody liquid and then something popped out. It was a larva about 1/2" long and 1/8" in diameter. Transparent white in color. Right away I treated with Ivermec pour on. Any ideas or suggestions would be greatly appreciated. Thanks.