[Gettyimages Bank] SEOUL — Sales of pet food items at SSG.com, an online shopping mall operator run by South Korea’s retail giant Shinsegae, significantly increased between January 2022 and January 2023, compared to a year ago. The online ecommerce operator said dog pads which are put on the floor when dogs defecate were best-selling products at its pet product shopping mall called “Molly’s SSG.” According to data released by SSG.com, dog pads were the most popular item as of January 6, 2023, followed by a duck meat product mainly eaten by dogs. Sales of cat toys increased by 135…