verb

(of animals) mate and then produce offspring.

toads are said to return to the pond of their birth to breed

reproduce,produce offspring,procreate,bear young,multiply,propagate,mate,beget offspring

noun

a stock of animals or plants within a species having a distinctive appearance and typically having been developed by deliberate selection.

the big continental breeds are eagerly being imported by British farmers

variety,stock,strain,line,family,type,kind,sort,class