Special auxiliary subdivision for animal husbandry
Broader class
636  Animal husbandry and breeding in general. Livestock rearing. Breeding of domestic animals
Narrower classes
636.01Origin, evolution and domestication of animals kept by humans. Taming of animals. Biological bases of rearing and training
636.02Animals kept for breeding, showing and scientific uses
636.03Animals bred or kept for food or other produce (productivity, yield). Farm and ranch animals in general
636.04Animals bred or kept for work and service or pleasure of humans
636.05Animals according to breeding
636.06Characteristics, constitution and special biological features of domestic animals
636.08General questions of breeding and rearing
636.09Veterinary science