thremmatology

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The scientific breeding of domestic plants and animals.

from The Century Dictionary.

• noun In biology, the science of breeding or propagating animals and plants under domestication, of their congenital variations under these circumstances, and of the perpetuation of such variations. See methodical selection, under selection.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The field of breeding or propogating plants and animals.