With 25 horses representing eight nations over the two age groups, the ISH studbook had the largest entry at the championships.

In addition, achieving the aims of studbook registration would provide a population genetic characterisation that could serve as a basis for ex situ conservation programmes.

I also know it is one of the best families in the Studbook too.

The pairing of Jae Jae and Melati was meticulously planned using Studbook, which charts every captive creature's genetic provenance to facilitate perfect matches.

At the National Zoo, a Golden Lion Tamarin Studbook functions as an old-fashioned family Bible, chronicling all the marriages and offspring throughout the world.