When dry it may be covered with a coating of collodion or tar, each containing 1 per cent of iodin.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
In the first form it is necessary only to dissect away the skin leading into the opening for some distance down, to close the orifice with stitches, and to cover the whole with collodion.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Elastic collodion: Canada Balsam 1.50 grams.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera