TY - JOUR PY - 1921 DA - 1921/2019]/ TI - Poultry science: official journal of the Poultry Science Association T2 - Poult. Sci PB - Elsevier CY - Amsterdam SN - 0032-5791 LA - English N1 - 1.1921-volume 98, number 12 (November 2019) ID - 129608432 ER -