The phrase "a puppy which" is correct and usable in written English.
It can be used when providing additional information or description about a puppy, often in a relative clause.
Example: "I adopted a puppy which has a playful personality and loves to fetch."
Alternatives: "a puppy that" or "a puppy who".
A week later, the Rohrmans got a puppy, which they named Molly.
Now, there is a two-year waiting list for a puppy, which costs $1,000.
After years of what she called "O.C.D. begging," she has succeeded in persuading her parents to get her a puppy, which will live with her in her new Manhattan apartment.
The A.S.P.C.A. estimates the average raid results in costs of $25 to $34 a day in caring for a puppy, which may be for several months depending on court proceedings.
(Ten years ago, Murdo promised his daughter a puppy which she would be allowed to name. "Ballerina," she said. When Murdo said that was ridiculous, especially as the dog looked like a badger, she moved only so far in the spirit of compromise).
Last night, when Josh had goosed her with his GameBoy, she'd shot a spray of toothpaste across the mirror and they'd all cracked up, rolling around on the floor with Goochie, and Josh had said, such nostalgia in his voice, "Mom, remember when Goochie was a puppy?" Which was when Abbie had burst into tears, because, being only five, she had no memory of Goochie as a puppy.
In one case in 2011, a guy got mad at the cops and threw a rottweiler puppy, which, at 47 pounds, wasn't so small.
Which is silly, because he is posh and it's like attacking a dog for being a golden Labrador puppy, which he also slightly resembles.
A Shar-Pei puppy, which she named Shirley, was also a gift.
When one patient's tumor recurred, Dr. Baker's team asked her about the limited time left: "What are you hoping for?" Because she was by then in a private hospice suite within the hospital — one of several that bereaved parents at St . Judes helped design and raise funds for — he was able to fulfill her wish for a German shepherd puppy, which lifted her spirits during her remaining days.
A local said that the puppy, which is only a few months old, was lucky to survive.
