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  • Strut the Stage sire of Head Honcho 1st Alw (May 23, 7th WO). Owner, Annecchini and D'Alimonte Holdings Inc. and Kingfield Farm; Breeder, William D. Graham...
  • Yankee Gentleman sire of Little Dale 1st Alw (May 23, 7th BEL). Owner, Vaccarezza, Priscilla, Amante, Anthony and Garrity, Christine; Breeder, Philip Birsh...
  • Mancini sire of Ride Around Sally 1st Alw (May 23, 6th IND). Owner, Joe Uliano; Breeder, Spade Stable...
  • Luftikus sire of Joyful Kiss 1st Alw (May 23, 7th CT). Owner, Winfred L. Hess, Jr.; Breeder, Ann M. Casey...
  • Hard Spun sire of Ribbon Taffy 1st Mdn (May 23, 5th IND). Owner, Pucek, John Paul and Marcinek, Paige; Breeder, Matthew R. Herbener...
  • Philanthropist sire of Rob the Cradle 1st Alw (May 23, 2nd WO). Owner, Andrews, Denny and Paradox Farms Inc.; Breeder, Gardiner Farms Limited...
  • Posse sire of Parody 1st Alw (May 23, 4th PEN). Owner, Midwest Thoroughbreds, Inc.; Breeder, Don Mattox & Pam Mattox...
  • Hard Spun sire of Gleaning 1st Mdn (May 23, 4th PID). Owner, Robert T. Manfuso; Breeder, Nursery Place & Robert T. Manfuso...
  • Include sire of Window Boy 1st Grover (Buddy) Delp Memorial S. (May 23, 8th DEL). Owner, Luis Arenas; Breeder, Shelby Lane Farm Inc. & IncludeSyndicate...
  • Bustin Stones sire of Bustinattheseams 1st Mdn (May 23, 2nd BEL). Owner, Bourque Goldstein Thoroughbreds LLC; Breeder, Eaton & Thorne, Inc....
  • Jazil sire of Love Me Good 1st Mdn (May 23, 2nd PID). Owner, Sheltowee Farm and Blazing Meadow Farm; Breeder, Sheltowee Farm...
  • Petionville sire of Wups 1st Thoroughbred Maiden Derby (May 23, 9th BOI). Owner, Paul Treasure; Breeder, Michael Iavarone...
  • Indian Charlie sire of Nechez Dawn 1st Alw (May 23, 7th AP). Owner, Tresner, Coby and Matsas, Alex; Breeder, B. P. Walden Jr., Hargus Sexton & SandraSexton...
  • City Weekend sire of City Sweets 1st Mdn (May 23, 3rd IND). Owner, Mast Thoroughbreds LLC; Breeder, Robert Gorham & Mast Thoroughbreds LLC...
  • Proud Citizen sire of Citizen Kat 1st Alw (May 23, 7th PEN). Owner, Midwest Thoroughbreds, Inc.; Breeder, Mark Reid & Charles Zacney...
  • Medaglia d'Oro sire of Dealer 1st Alw (May 23, 8th CT). Owner, Coleswood Farm, Inc.; Breeder, Family Broodmare, LLC...

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CHRB releases new threshold levels for steroid testing

Posted: Tuesday, May 13, 2008 7:23 PM

The California Horse Racing Board released new threshold levels for the four most important anabolic steroids—testosterone, nandrolone, boldenone, and stanzolol.

Under the threshold levels, official urine test samples may contain one of the following drug substances, their metabolites, or analogs, in an amount that does not exceed the specified levels:

•  Stanozolol—one nanograms per milliliter

•  Nandrolone—one nanograms per milliliter for geldings, fillies, and mares; 45 nanograms for males other than geldings

•  Boldenone—15 nanograms per milliliter in males other than geldings

•  Testosterone—20 nanograms per milliliter in geldings and 55 nanograms per milliliter in fillies or mares. Testosterone at any level in males other than geldings is not a violation

Stanzolol is a pharmaceutical anabolic steroid.

Testosterone, nandrolone, and boldenone are naturally occurring anabolic steroids with normal threshold levels well established in horses. According to a CHRB release, the regulatory threshold levels for a violation include a wide safety margin.

Beginning May 31, the CHRB will regulate these steroids under Rule 1844, which is the same rule that regulates other drugs, such as clenbuterol, with specified threshold levels.

California horsemen will not see any changes until July 1, when in-dept testing of routine samples for anabolic steroids will begins at the University of California-Davis’s Ken Maddy Laboratory.

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