Possible Clues:

• Country business where success goes into the book
• Horses are bred and raised here
• Where turf dams work?
• In which one Arab may possibly cover another
• Female taken under boss's wing where breeding is concerned!
• Where to see stallions run into awful mud fast
• Its aim is to produce winners, of course
• Where fine Arabs might originate?
• Boss wants female member in place of breeding
• Horse breeding establishment