» See Breed (song) for the song by Nirvana. See Breed (video game) for the video game by Brat Designs. A breed is a group of domestic animals with a homogeneous appearance, behavior, and other characteristics that distinguish it from other other animals of the same species. When bred together, animals of the same breed pass on these uniform traits to their offspring, and this ability—known as "breeding true"—is a definitive requirement for a breed. Plant breeds are more commonly k… (More on Breed)