Complex sentence: In 2013, the Ural Toybob breeders registered their cats with the Russian feline registry ICU (International Cat Union) and "UFC Belton" in Yekaterinburg was the first ICU club to begin working with the breed.
Split into simpler sentences: In 2013, the Ural Toybob breeders registered their cats with the Russian feline registry ICU (International Cat Union) and "UFC Belton" in Yekaterinburg. This was the first ICU club to begin working with the breed.