Catgut down to the desired diameter using a centerless grinder. After drying and polishing, workers bleach and disinfect the strings using sulfur dioxide, dye them if necessary, and sort them into sizes. Catgut sutures are normally treated with a chromium salt solution to resist body enzymes, to slow the absorption process, and are called catgut chromic sutures—whereas untreated catgut sutures are called catgut plain sutures. Catgut Catgut is a type of cord that is prepared from the natural fibre found in the walls of animal intestines. Catgut makers usually use sheep or goat intestines, but occasionally use the intestines of cattle,
Catgut (horse) Catgut's only race away from Newmarket. Catgut did not run again until the First October meeting, when she finished second of the three runners in a Town Plate over the two-mile "Ditch In" course, beaten by Lord Exeter's filly Dulcinea. At the Second October meeting two weeks later, Catgut was assigned a weight of 97 pounds in an Oatlands Stakes, a handicap race over the Bunbury Mile course. She was made second favourite at odds of 3/1 but finished unplaced behind the four-year-old filly Romp. Catgut's final race came on 3 November at the Houghton meeting when she was entered