They extracted DNA (deoxyribonucleic acid) from the nuclei of the genital organs of “khaki” ducks and injected it into “pekin” ones. The first injections were made on June 28 last year.

The mutations responsible for the white down feathers and larger bodies of the Pekin duck, an elite breed, have been identified, shedding light on how this breed was improved during domestication ...

Venous blood samples were collected at 3-day intervals for a total of six samples from each of five adult male pekin ducks and five adult Ross roosters. Twenty biochemical, six hematologic, and three ...