Given a text, write a compressed version of it in a single sentence.

In July 1998 the Indianapolis Zoo announced a milestone in elephant conservation-the first conception of a female African elephant by artificial insemination. The 22 year-old virgin female named Kubwa was confirmed pregnant on July 24, 1998 by transrectal ultrasonography.
In July 1988, the Indianapolis Zoo announced the first conception of a female African elephant named Kubwa by artificial insemination.