The short or kinked tail in cats in Indonsia is simply a genetic selection. Many Indonesians believe that cats with short tails/no tails are better ratters and they will look after these cats – feeding them, etc. This genetic trait (short or kinked tails) has therefore been selected in this way.
Why do some stray cats have short tails?
A genetic basis for short tails in Japanese Bobtail and Chinese short-tailed feral cats is identified in a study published in Scientific Reports this week. … Previous research has identified that the short tailed/tailless trait in the Manx and several bobtail cat breeds is due to a mutation in the T-box gene.
Does the length of a cat’s tail mean anything?
About 10 percent of a cat’s bones are in the tail. … The average length of this incredibly mobile structure is 11 inches for males and 9.9 inches for females, which indicates tail length generally is relative to size of the cat. Kitty uses her tail for communication as well as balancing.