I was just offering up an opinion on how to TRY to prevent unwanton harm to the "new pups".

Between my dad and I we've had 5 labs that have all lived into their early teens. All were "fishing dogs" through-out most of their lives. Only one got "salmon poisioning" (dad's 1st lab...she lived), and after that experience we decided to be very vigil about knowing the whereabouts of the hounds, and to TRY to control what they're exposed to.
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..."the clock looked at me just like the devil in disguise"...