They would have gotten there sooner but...
http://www.jacksonvilleprogress.com/articles/2005/09/04/news/news07.txt
Horse aid delayed to due violence in New Orleans
Excerpt...
Habitat for Horses/ Lone Star Equine Rescue volunteers planned to leave for Louisiana on Saturday to tend to and corral the thousands of horses, donkeys and mules abandoned after Hurricane Katrina, but Louisiana law enforcement has tentatively postponed the trip until next week.