Complex sentence: A 2005 study was conducted to identify past genetic bottlenecks in the Marwari breed, and it was found that, in the DNA of the horses tested, there was no evidence of a genetic bottleneck in the breed's history.
Split into simpler sentences: A 2005 study was conducted to identify past genetic bottlenecks in the Marwari. The study found that, in the DNA of the horses tested, there was no evidence of a genetic bottleneck in the breed's history.