Which terriers contributed to the development of the Rat Terrier breed?
Answer
Smooth Fox Terrier, Bull Terrier, Manchester Terrier, and Old English Black and Tan Terrier
The Rat Terrier was developed by intentionally crossing various terriers, specifically mentioning the Smooth Fox Terrier, Bull Terrier, Manchester Terrier, and the Old English Black and Tan Terrier to achieve versatility on the farm.

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Rat Terrier - Top 10 Facts - YouTube
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