Pedigree and Performance Analysis
Thoroughbred Pedigree Reference Resources
Resources for thoroughbred pedigree research and stallion registers.
Pedigree Query Database
Free searchable online pedigree database to find just about any thoroughbred, some with photos and other info.
Andrea's Thoro Page
Horse racing info with and emphasis on pedigree
From Steve Roman, the creator of the dosage system. Contains a lot of information about dosage and the most current list of chef's de race. Also packed full of interesting stats & articles.
Dosage in a Nutshell
Explanation of the basic concepts of dosage theory and analysis. Find out what all those numbers really mean.
Lots of great pedigree articles and information. Discusses most of the important current pedigree topics including the Rassmussen Factor, the X-Factor, genetic topics and more.
Insight and comments on Thoroughbred pedigrees from writers around the world.
Race Horse Pedigree Analysis
A step by step guide for learning about pedigrees and how to analyze them from Equine Info.
Stallion Register Online
The Blood Horse's online searchable stallion register. Lots of good info on each stallion including pedigree, race career, and outstanding offspring.
Thoroughbred Times Stallion Directory Online
Thoroughbred Times' searchable online stallion directory. Similar info to the Blood Horse register, but some different stallions and info included here. Always good to check both.
Research indicates that the female X chromosome is responsible for the large hearts found in outstanding racehorses