Does "hinny was bred to a donkey jack" mean "hinny was brought to mate with a male donkey"?

Context:

Female hinnies and mules are not customarily spayed, and may or may not go through estrus. Female mules have been known to produce offspring when mated to a horse or donkey, though this is extremely uncommon. Since 1527 there have been more than sixty documented cases of foals born to female mules around the world. In contrast, according to the ADMS, there is only one known case of a female hinny doing so.
In China in 1981, a hinny mare proved fertile with a donkey stallion.[citation needed] When the Chinese hinny was bred to a donkey jack, she produced "Dragon Foal," who resembled a donkey with mule-like features.
In Morocco in 2003, a mule mare bred to a donkey stallion produced a male foal; DNA testing revealed the foal has a mixed karyotype hybrid like the Chinese hinny offspring, Dragon Foal.

More:
http://en.wikipedia.org/wiki/Hinny