Strings (tennis) be more durable than many other types of strings due to its outstanding tension retention. This may help to offset the high initial cost. The use of a dense string pattern also generally improves the longevity of natural gut. Natural gut is produced by drying fibers extracted from a part of the cow intestine called the serous membrane, or serosa, which contains collagen designed to withstand the stretching and contraction of the intestine. It is this elasticity that makes the fibers useful for tennis string. Sheep intestines have also been used for racquet strings in the past. The first natural
Catgut (horse) in a five furlong Subscription Plate. The race was for two and three-year-olds with the provision that the winner would be available for sale at a price of 350 guineas. Catgut started second favourite in a twelve runner field but finished unplaced behind Soota, a black filly owned by Mr Lake. Catgut was retired from racing to become a broodmare at the Duke of Grafton's stud. She produced five foal by stallions including Election, Partisan and Woful before being sold to Mr S L Fox in 1829. The following pedigree assumes that Catgut was sired by Comus Catgut (horse) Catgut