>>298132Jim Davis finally weighed in on the strip, which was first published on May 30, 1990. He told BuzzFeed News:
"On the farm, we used to give first-calf heifers a high protein supplement to help them deliver healthier calves. This supplement was provided by our vet.
I assumed that there would be a similar supplement for dogs. So Jon is drinking a protein-enriched drink formulated for a pregnant dog."