When Daffy arrives outside the door at the chicken coop for his sitting job, he is noticeably bigger than the door. He knocks and is let into the coop. But when the scene switches to the inside as he walks into the coop, he is much smaller than the door.
The cartoon originally had a "That's All Folks!" Font written in the title card. However, United Artists messed it up and used the infamous Bugs Bunny on drum.