
So they show you instead – in sleep, in appetite, in how much they want to move. The trouble is that those signals are quiet, and most of us only notice the loud ones.
Heart rate, temperature and respiration often change days before anything is visible. Dogs instinctively hide discomfort, so by the time behaviour changes, the problem is usually established.
Most people guess low. A sudden change in either direction is one of the earliest signs something is off.
It varies by breed and age. What matters more than the number is the change - a dog that suddenly wants less is telling you something.
Dogs don't complain, they withdraw. Any one alone might be nothing. New, or several together, and they're worth attention.
Vital signs, sleep quality, activity and early signs of pain or stress — continuously, and it tells you when something changes rather than leaving you to notice.
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