breeding ratio

breeding ratio

[′brēd·iŋ ‚rā·shō]
(nucleonics)
The ratio of the number of fissionable atoms produced in a breeder reactor to the number of fissionable atoms consumed in the reactor; breeding gain is the breeding ratio minus 1. Also known as breeding factor.
References in periodicals archive ?
The suitable breeding ratio for captive breeding of the test species was found to be 3:1 (male: female) but 3:2 ratio also yields good results.