Translation guide
A person or entity that breeds animals or plants. In Japanese, the term depends on what is being bred and the context.
A person who breeds animals as a profession, such as dogs, cats, or livestock.
The most common and direct loanword for a professional animal breeder, especially for pets like dogs and cats.
She is a dog breeder.
A more formal term for a breeder, emphasizing the act of breeding. Used for various animals.
He is famous as a horse breeder.
Specifically refers to a livestock breeder or farmer. Not used for pets.
The livestock breeder is working on improving cattle breeds.
A person who breeds new varieties of plants, such as flowers or crops.
Someone who breeds animals or plants as a hobby, not necessarily for profit.
A descriptive phrase meaning 'a person who breeds as a hobby'. Natural when specifying it's not a profession.
He is a hobby dog breeder.
Means 'enthusiast' or 'fancier'. Often combined with the animal/plant type to imply breeding as a hobby.
A nuclear reactor that produces more fissile material than it consumes.
The technical term for a breeder reactor.
Development of fast breeder reactors is underway.
The English word 'breeder' covers many concepts. In Japanese, you must specify what is being bred. Using ブリーダー without context usually implies a pet breeder.
When you say 'breeder', it usually refers to a dog or cat breeder.
彼女はチューリップのブリーダーとして知られている。
She is known as a tulip breeder.
彼は熱帯魚の愛好家で、自宅で繁殖させている。
He is a tropical fish enthusiast and breeds them at home.