Je crois comprendre que cette abréviation figure à côté du nom des chevaux qui ont déjà remporté une victoire sur le même parcours et la même distance de course.

CD (C&D)

Abbreviation for "course and distance". Denotes a horse that has won over the same course and distance as the race taking place.

http://racingtips.co.uk/categories/20090203_16

D Would be inset a box shape and indicate that the horse had won at today's distance, C&D won over Course and Distance.

http://www.expertbettingadvice.co.uk/horseracingguide.html

Finally, the course and distance guides tell you a lot about the horse and its chances of winning. Look for re-assurance that the horse has experience at this distance and course. It isn’t the be-all and end-all, but if a horse is already looking better than the others in the race and it is the only one with decent course and distance experience, it should make you feel a bit more comfortable.

http://www.horseracing-picks.com/category/uncategorized


Je ne sais pas si cette petite abréviation s'utilise pour les courses hippiques en France.


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Note added at 58 mins (2009-10-14 21:21:51 GMT)
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http://www.horse-racing-computer-group.com/bettingtools2.htm...
voir également la définition de CD sur cette page

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Note added at 1 hr (2009-10-14 21:32:31 GMT)
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http://www.eachdayeachway.co.uk/pdf/guide.pdf
un excellent guide où l'on retrouve les différentes abréviations utilisées dans les courses, dont CD...