When it comes to diet, the prairie dog seems to be on the veg side of things. It practically has no business with flesh as one would assume. It believes in green food; perhaps because it offers more nutrients and is more readily available in its natural environment.
Prairie dogs feed on grass, plants, root, weed, and insects. So to say, they are obligate herbivores. When in captivity, however, humans can feed them with alternatives to grasses such as special feed and more. But most of the times, they are better of with plant shoots.
“Prairie dogs are chiefly https://prairiedogpals.org/fun-day-date/, though they eat some https://prairiedogpals.org/most-popular-dating-app-in-my-area/. They feed primarily on grasses and small seeds. In the fall, they eat broadleaf forbs. In the winter, lactating and pregnant females supplement their diets with snow for extra water. They also will eat roots, seeds, fruit, and buds. Grasses of various species are eaten. Black-tailed prairie dogs in South Dakota eat western bluegrass, blue grama, buffalo grass, six weeks fescue, and tumblegrass, while Gunnison’s prairie dogs eat rabbit brush, tumbleweeds, dandelions, saltbush, and cacti in addition to buffalo grass and blue grama.”
If you want to read the primary literature, search for “prairie dog diet” on Google Scholar. For example, here is one result of that search: