Donavan! 

Elite Hanoverian Stallion
Donavan**** for the Oldenburg NA
DOB 1985.
Sire: Derwisch (Dirk)
Dam: Akelei (Argentan)
17.1 hh, mahogany bay
socks: 2 hinds and one right fore, large snip
EVA testing: negative
Bred and born in Germany,
Donavan has moved with his owners and the rest of their horses to Maryland. He is temporarily visiting with his former rider JJ Tate at GoodNess Ridge Farm in Mt. Airy, MD. He is there with Rosall , the Junior Stallion now part of the newly named Kent Island Sporthorses. Read more on the News Page.
* Consistently listed on the USEF list of Leading Sires: Dressage/Dressage Breeding;
Currently, 2007, he is 71st out of almost 1000 sires listed for Dressage Sires.
This is a very big accomplishment .
1. Donavan achieved #7 on the Final list of USEF Leading Sires- Dressage Breeding for 2004!
2. Donavan was listed #9 out of 164 stallions on the 2005 USEF Leading Sires Dressage Breeding List . He is on the lists of Leading Sires, Dressage, and Leading Sires, Hunters Lists . Check the Links Page to visit USEF.
3. Donavan's frozen semen is now successful 8 out of 10 uses, near 100 %, usually on first try. This is very high.
4. Donavan's 100 DayTest score, 136.16 points is still among the highest earned in the US. He was reserve Champion, very close behind the first place stallion.
5. Donavan seems to throw just about 50% fillies and colts. ( Some years more fillies, but this is the average)
6. Donavan never throws chestnut color! Even some gray mares have bays!
Though Dressage is Donavan's discipline of highest of accomplishments,
he is also being listed as Sire on the Hunter lists and his offspring are showing Jumper and Eventing also.
Donavan below at age 20 and 21 (Spring 2006) Sound and healthy, a joy to be around.


Trained and Ridden in competition by Jessica Jo Tate
*Watch Donavan Marching Video

To see Donavan's esteemed bloodlines more fully, click on this chart.

Click here to Learn more about the A-Line of his Dam Akelei.
Click here to learn more about the D-Line, of his Sire, Derwisch
Breeding Approvals.
Donavan is lifetime approved and licensed for breeding by the American Hanoverian Society, the German Hanoverian Verband, The International Sporthorse Registry/Oldenburg NA.; Canadian Sport Horse Association; The Oldenburg Horse Breeders Society (GOV); and the Rhineland Pfalz-Saar.
Breeding Fees:
His service fee is $1800.00 which includes the $400.00 booking fee.
Collections for fresh and shipped semen are $225.00 each collection paid to the Stallion Owner;
Other fees may be assessed by the facility collecting him .
Semen is shipped via FED EX, or by air.
There are several discounts available. Please inquire.
Donavan will be collected Mondays, Wednesdays, Fridays during the breeding season.
(Inquire regarding "emergencies"). Usually his breeding season is March 31 - July 31. Subject to change. Frozen semen is always available.
Kent Island Sporthorses Contract is being updated, please inquire.
Donavan is having excellent success breeding AI both fresh and shipped cooled, or frozen.
Frozen semen is available through Select Breeders Services Inc.
Private Treaty contracts will be arranged if using frozen semen.
Donavan has proven to have excellent frozen semen! Donavan is near 100% success rate for the use of frozen semen and most were after only one try. We offer a contract with full LFG if you use frozen semen from Donavan. Go to our links page to reach Select Breeders Southwest where Donavan's frozen semen is stored.
For Canadian citizens we offer contract, at par; collections are USD for all. In 2008, will be collected at Hilltop Farm/Select Breeders Services,Inc. Check with them for cost per collection. 410-658-9898, ext. 104
Below Donavan at age 20, showing off for TV cameras. May , 2005

Jessica Jo Tate and Donavan
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click here ~Read About Donavan's History: ~ click here
Our Dream:
Wendy and Marty Costello, owners ofKent Island sporthorses, ( formerly Riverland Farm) and ES Donavan, strive to breed and assist others to breed, the highest quality warmblood horses for FEI level sports and for pleasure that embody Donavan's kind and affectionate temperament, his natural talent and striking beauty. These offspring are suitable for both the amateur and professional rider. Donavan's long, successful dressage career has demonstrated that he represents the best qualities of the Hanoverian breed, and consequently, the characteristics desired by all warmblood breeds. He absolutely fulfills the goals of the American Hanoverian Society and the German Hanoverian Verband. In accordance with his high 100 Day Test scores in jumping and dressage, he is sire to successful offspring in all the Olympic disciplines.
Please enjoy our website and come back often.
"With Donavan, something wonderful is always happening! "


click on the photos to enlarge.
Donavan in competition, Grand Prix Dressage.

And as you visit all aspects of our website , you will know THE REST OF THE STORY!!