" Then the nose moved along the rubber tube up to the bottle and back again, sniffing with the utmost concentration. When I removed the needle the nose began a careful inspection of the injection site. Then a tongue appeared and began to lick the bullock’s neck methodically. I squatted back on my heels and watched. This was something more than mere curiosity; everything in the dog’s attitude suggested intense interest and concern. "

― James Herriot , Three James Herriot Classics: All Creatures Great and Small / All Things Bright and Beautiful / All Things Wise and Wonderful