Here is a very informative and thorough slide show covering Donkey & Mule Hooves and Hoof care - a must see. You may need to use the pause button frequently in order to stop on a slide and read it.
Donkey Body Condition Score Chart
Foaling out the Jennet
Methods of Breeding
What you can do before he is two
Donkeys are Different: An Overview of Reproductive Variations from Horses
Natural Hoof - Natural Care of Donkeys
Management Recommendations for Donkeys & Mules