The present invention is a pet nursing jacket that allows a pet owner to feed puppies, kittens or other baby animals. The pet nursing jacket includes a base jacket that is placed on a feeding animal, a plurality of hook and loop fasteners that are disposed on the base jacket to open and close the base jacket to allow the base jacket to be placed around and removably secured to the feeding animal, a thermostat disposed on the base jacket that indicates a temperature of the feeding animal and a fur coating disposed on the exterior surface of the base jacket. The jacket also includes a baby bag that holds liquid food that includes a plurality of nipples, a fluid gauge that indicates a quantity of the liquid food stored in the baby bag and a heart beat device that generates a simulated heart beat.