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  Re. the pup with the penis not returning to the sheath.... make sure he's very tidy all around his groin... sometimes the penis can extend a bit, then get caught in the hair around his sheath and either become entangled, or just get too dryed out to return properly to the sheath.I had the same problem with my little fellow...never having owned a male dog OR a longhaired one before....but now I keep him trimmed short in his groin and halfway up the belly.... MUCH more hygenic, sweeter smellling, and no more problems with his penis.
 Good luck
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