Iowa State University Veterinarian Records, RS 22/6/0/9, University Archives, Special Collections Department, Iowa State University, http://www.add.lib.iastate.edu/spcl/arch/rgrp/22-6-0-9.html
The repair of secondary or recurrent types of hernias of horses and cattle has presented a difficult technical and surgical problem in the past. For the most part surgical procedures aim at closing the hernial ring by whatever means will approximate the edges. Operations such as suturing the ring, imbrication of the sac, and fascial flaps with relaxing incisions tend to either place greater tension or create weakness of an abdominal wall that has already shown itself to be defective. Following these operations, recurrences are common. It is therefore apparent that some substance is needed to bridge the gap in the abdominal wall without creating tension or weakening it.
Whitcomb, O. W.
"Tantalum Mesh in the Repair of Recurrent Abdominal Hernias of Horses and Cattle,"
Iowa State University Veterinarian: Vol. 17
, Article 2.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol17/iss3/2