Dallas Zed Ride the Slide — black & white dual KC and ISDS-registered working Border Collie at stud with Kate Clapperton's Rippletrix line in Sheffield. Born October 2020. Strong ISDS working sheepdog pedigree with International Supreme Champions across multiple generations — a serious option for the working-line side. Natural mating only, on suitable bitches, at the breeder's discretion. Kate is a Veterinary Physiotherapist and prioritises orthopaedic conditioning in every pup produced from her line. Stud fee £1,200 or the equivalent of a bitch puppy from the resulting litter, by agreement. Enquiries direct to Kate at kate.rippletrix@gmail.com.

Sire: Vic (ISDS 323493) via International Supreme Champion Roy (ISDS 266416) and Meg (ISDS 299929). Dam: Belle (ISDS 359453) via Jaff (ISDS 344290) and Mari (ISDS 329372). International Supreme Champions in the five-generation pedigree include Int Sup Ch Llangwm Bob (ISDS 224454), Int Sup Ch Davy (ISDS 131049), Int Sup Ch Llangwm Cap (ISDS 315270) and Int Sup Ch Roy (ISDS 266416). International Brace Champions Wenndale Roy (ISDS 274138) and Sweep (ISDS 293085) also appear in the pedigree. Full pedigree verifiable through the Kennel Club (KC Reg AZO915278) and ISDS (OO/374768) registers.

Working-line Border Collie from an exceptionally concentrated Int Sup Ch pedigree. Progeny profile and specific working record available on request; Kate keeps a full record of every pup produced from her line.

Toxic (Dallas × Niobe) is Dallas's daughter and now competes at agility across the UK — the two working shots on this listing are hers. Toxic carries three of Rippletrix's foundation lines in one pedigree: Dallas (Vic/Belle), Psyfer (the North Yorks red-and-tri working line Kate built the kennel on) and Fellspirit, via her dam Niobe who is Psyfer's daughter and Rewind's half-sister. Dallas also has a Rippletrix half-sister — Freak (Freak Out at My Love Bunny, ISDS 00/380009), sharing sire Vic — whose March 2026 litter by Hilltop Zak (ISDS 00/389539) produced three pups placed to agility homes and three to working homes. Kate has retained a bitch from that litter (Rippletrix Dee Seized Demon) as the next generation of the Zak line into Rippletrix. Every pup produced from Dallas is fully health tested to the recognised working-Border-Collie panel (hips, elbows, eyes, CEA, TNS, CL, MDR1, IGS), BVA eye tested and BAER tested before leaving the yard.

Full BVA hip and elbow scoring, annual eye certification, and DNA panel screening across the recognised working-Border-Collie panel (CEA, TNS, CL, MDR1, IGS) held on file. Specific scores displayed on the Kennel Club register under registration AZO915278 and via the ISDS register under OO/374768. As a Veterinary Physiotherapist Kate assesses puppies for orthopaedic soundness at the point of leaving her yard.