breeding
breed + -ing
https://gyazo.com/96d3cc318066bd49d3a55fd7a76f12b4
noun
the mating and production of offspring by animals:
(動植物の)繁殖(過程)
e.g. palolo worms use the moon to time their breeding.
the activity of controlling the mating and production of offspring of animals:
血統; しつけ, 養育
e.g. the breeding of rats and mice for experiments.
the good manners regarded as characteristic of the aristocracy and conferred by heredity:
行儀［育ち］のよさ
e.g. that's the kind of modesty you get from good breeding.