The hard part of keeping a puppy from your own litter is not knowing what to look for — it…

Keeping a puppy for your program is the one selection decision you cannot undo quietly. You make it with almost…

By eight weeks you have had more chances to notice something wrong with a puppy than anyone will have again.…

A working-bred litter is where breeders make their boldest claims and their least reliable predictions. What you can read at…

Some of what you see at eight weeks is the adult dog in miniature and some is a growth stage…

Single sessions at seven or eight weeks predict adult behavior poorly; later, repeated assessment predicts distinctly better. An evidence summary.

A puppy aptitude test is a decent instrument aimed at the wrong question. What it is good for, how it…

Puppies become easier to place, and far easier to be honest about, once you stop asking which label fits and…

The most trustworthy picture of a puppy comes from weeks of small dated notes rather than an hour of formal…

Somewhere around five or six weeks the unit of work changes from the litter to the individual, because each puppy…